Home State Licensing Guides South Carolina
South Carolina Resource Intelligence

South Carolina Contractor License & Trade Guide

A comprehensive South Carolina guide to commercial general and mechanical licensing, residential builders, electrical, HVAC, plumbing, roofing, concrete, framing, painting, flooring, masonry and other specialty trades—plus project signals and timing education for contractors, subcontractors and suppliers.

Prepared by TigerLeads Research Team · Official sources reviewed 2026-08-26 · Requirements can change
TigerLeads tiger brand artwork
South Carolina Contractor Intelligence
Commercial license trigger
>$10K

Regulated general or mechanical contracting above the statutory threshold.

Residential builder trigger
>$5K

Qualifying residential builder undertaking within Chapter 59 limits.

Residential specialty trigger
>$500

Specialty contracting threshold for listed residential trades.

Current code framework
2021 SC Codes

Effective January 1, 2023; 2024 adoption/modification work is underway.

01 · South Carolina licensing model

Start with the project lane.

South Carolina separates commercial general/mechanical licensing from residential builder and residential specialty licensing. The first question is not “what acronym do I need?”—it is whether the project is commercial or residential, what work is being contracted, and what total construction cost triggers regulation.

SC

Commercial and residential licensing follow different boards and thresholds.

Regulated commercial general or mechanical contracting greater than $10,000 is handled by the South Carolina Contractor's Licensing Board. Qualifying residential builder work exceeding $5,000 and residential specialty work exceeding $500 are administered by the Residential Builders Commission. The correct classification, registration, license group, qualifier, bond and local permit requirements all matter.

  • Commercial licenses are classification-specific and tied to Group 1-5 bid/job limits.
  • Commercial companies designate a Primary Qualifying Party for each classification or subclassification.
  • Residential builder licensing covers qualifying structures not over three floors and not more than sixteen units in a single apartment building.
  • Residential electrical, HVAC and plumbing are exam-based licenses; listed finish and specialty trades use registrations.
  • County and municipal permits, business-license ordinances and inspections remain separate from state licensing.
02 · Core contractor pathways

Four lanes shape most South Carolina searches.

These are the starting points for commercial building, commercial MEP, residential building and residential specialty contracting.

BD / LB / UB
General Contractor pathway

Commercial Building Contractor

South Carolina regulates commercial building work through the Contractor's Licensing Board. The Building family includes Limited Building and Unlimited Building exam pathways. Limited Building is capped at three stories and only Groups 1-3; Unlimited Building has no story-height cap and may qualify for any Group 1-5 limitation.

Project signals to review
commercial new buildingmultifamily over residential-builder lanetenant improvementmajor additioninstitutional / industrial building
Best-fit TigerLeads users
general contractorscommercial subsequipment rentalbuilding-product suppliers
Verify with South Carolina source ↗
MC
Mechanical Contractor pathway

Commercial Mechanical Contractor

Commercial mechanical contracting above the statutory threshold is licensed by classification. Air Conditioning, Electrical, Heating, Packaged Equipment, Plumbing, Pressure/Process Piping, Lightning Protection and Refrigeration are separate commercial mechanical classifications.

Project signals to review
commercial HVACelectrical service / feedersplumbing rough-inprocess pipingrefrigerationpackaged equipment
Best-fit TigerLeads users
mechanical contractorselectrical contractorsplumbing contractorsMEP suppliers
Verify with South Carolina source ↗
RBB
Residential Builders Commission

Residential Builder

The Residential Builder license applies to qualifying residential buildings or structures not over three floors in height and not more than sixteen units in any single apartment building when the undertaking exceeds $5,000. The residential lane is administered separately from commercial general/mechanical licensing.

Project signals to review
single-family new hometownhome / small multifamilyresidential additionwhole-home remodelresidential repair / improvement
Best-fit TigerLeads users
home buildersresidential subsfinish tradesresidential suppliers
Verify with South Carolina source ↗
RBS / RBE / RBH / RBP
Licensed + registered specialty lanes

Residential Specialty Contractors

South Carolina separates residential specialty trades into exam-based licenses for electrical, HVAC and plumbing, and registration categories for listed trades such as roofing, floor covering, masonry, drywall, carpentry, stucco, painting/wallpaper, siding, insulation and solar. Specialty activity is generally triggered above $500.

Project signals to review
trade permitresidential repairrerooffinish workMEP replacementspecialty installation
Best-fit TigerLeads users
specialty contractorstradespeoplesuppliersresidential builders
Verify with South Carolina source ↗
Important: A license group changes the maximum bid/job value. The classification determines what kind of work may be contracted. Both must fit the project.
03 · Priority contractor + trade guides

The trades TigerLeads users search most.

Each guide connects South Carolina licensing rules to residential and commercial permit language, likely project timing, decision-makers and supplier demand.

EL / RBEElectricalElectrical ContractorScope, boundaries, residential/commercial signals, timing, buyers and supplier demand.+
South Carolina licensing context

What this trade generally covers

Commercial electrical work in the regulated classification above $10,000 uses the CLB Electrical (EL) classification. Residential electrical work exceeding $500 is separately licensed through the Residential Builders Commission as RBE.

Open official source ↗
Residential signals

What to watch

  • service / panel upgrade
  • generator connection
  • EV charger
  • new-home wiring
  • residential remodel electrical
Commercial signals

What to watch

  • commercial service upgrade
  • tenant improvement electrical
  • lighting / controls
  • equipment feeders
  • industrial electrical
Opportunity timing

When the signal may matter

Application and issuance can be valuable, but large service equipment and switchgear make earlier qualification especially useful. Verify whether the permit already names the electrical contractor.

Likely decision-makers

Who may control the work

  • general / building contractor
  • owner / facility manager
  • developer
  • electrical engineer
Supplier opportunity

Products + services

  • switchgear / panels
  • wire and raceway
  • lighting / controls
  • generators / EV equipment
Qualification check

Before outreach

  • Confirm the active South Carolina credential or registration.
  • Confirm the project type and applicable threshold.
  • Check the permit for a named incumbent contractor.
  • Read status, scope, valuation and filing date together.
  • Verify local permits, business-license and inspection requirements.
AC / PK / HT / RG / RBHMechanicalHVAC / Mechanical ContractorScope, boundaries, residential/commercial signals, timing, buyers and supplier demand.+
South Carolina licensing context

What this trade generally covers

South Carolina commercial mechanical licensing separates Air Conditioning, Packaged Equipment, Heating and Refrigeration classifications. Residential HVAC work exceeding $500 is licensed through the Residential Builders Commission.

Open official source ↗
Residential signals

What to watch

  • heat-pump replacement
  • split system
  • duct replacement
  • residential addition HVAC
  • equipment changeout
Commercial signals

What to watch

  • rooftop units
  • commercial air conditioning
  • refrigeration
  • heating plant
  • tenant-improvement HVAC
Opportunity timing

When the signal may matter

Replacement jobs can move quickly. New construction and tenant-improvement opportunities are strongest before equipment release and rough mechanical work.

Likely decision-makers

Who may control the work

  • owner / property manager
  • general contractor
  • mechanical engineer
  • facility director
Supplier opportunity

Products + services

  • air handlers / condensers
  • packaged units
  • duct and insulation
  • controls / refrigeration components
Qualification check

Before outreach

  • Confirm the active South Carolina credential or registration.
  • Confirm the project type and applicable threshold.
  • Check the permit for a named incumbent contractor.
  • Read status, scope, valuation and filing date together.
  • Verify local permits, business-license and inspection requirements.
PB / RBPPlumbingPlumbing ContractorScope, boundaries, residential/commercial signals, timing, buyers and supplier demand.+
South Carolina licensing context

What this trade generally covers

Commercial plumbing in the regulated classification above $10,000 uses the CLB Plumbing (PB) classification. Residential plumbing work exceeding $500 requires the Residential Plumber license (RBP).

Open official source ↗
Residential signals

What to watch

  • repipe
  • water heater
  • bathroom / kitchen remodel
  • new-home plumbing
  • sewer service
Commercial signals

What to watch

  • commercial rough plumbing
  • tenant improvement plumbing
  • water / sewer connection
  • restaurant plumbing
  • equipment piping
Opportunity timing

When the signal may matter

Underground and rough-in stages are typically the strongest construction windows. Service and water-heater permits can be short-cycle.

Likely decision-makers

Who may control the work

  • general contractor
  • owner / property manager
  • plumbing engineer
  • developer
Supplier opportunity

Products + services

  • pipe / valves / fittings
  • fixtures
  • water heaters
  • pumps / backflow products
Qualification check

Before outreach

  • Confirm the active South Carolina credential or registration.
  • Confirm the project type and applicable threshold.
  • Check the permit for a named incumbent contractor.
  • Read status, scope, valuation and filing date together.
  • Verify local permits, business-license and inspection requirements.
RF / RBS RoofingRoofingRoofing ContractorScope, boundaries, residential/commercial signals, timing, buyers and supplier demand.+
South Carolina licensing context

What this trade generally covers

Commercial roofing is a regulated General Contractor specialty classification (RF). Residential roofing is one of the Residential Builders Commission registration categories for specialty contractors when the residential specialty threshold is met.

Open official source ↗
Residential signals

What to watch

  • reroof
  • roof repair
  • shingle / metal / membrane replacement
  • storm damage
  • roof ventilation
Commercial signals

What to watch

  • commercial reroof
  • low-slope roofing
  • roof restoration
  • roofing on tenant improvement
  • waterproofing interface
Opportunity timing

When the signal may matter

Roofing opportunities often move quickly after filing, especially after storms. Verify incumbent contractor, insurance-related contract rules and current permit status before outreach.

Likely decision-makers

Who may control the work

  • property owner
  • association
  • general contractor
  • property manager
Supplier opportunity

Products + services

  • shingles / membranes / metal
  • underlayment
  • fasteners / adhesives
  • insulation / roof accessories
Qualification check

Before outreach

  • Confirm the active South Carolina credential or registration.
  • Confirm the project type and applicable threshold.
  • Check the permit for a named incumbent contractor.
  • Read status, scope, valuation and filing date together.
  • Verify local permits, business-license and inspection requirements.
CTConcreteConcrete ContractorScope, boundaries, residential/commercial signals, timing, buyers and supplier demand.+
South Carolina licensing context

What this trade generally covers

Concrete is a commercial General Contractor specialty classification. The CLB regulates commercial concrete scope when the regulated work exceeds the commercial licensing threshold.

Open official source ↗
Residential signals

What to watch

  • slab / foundation
  • driveway / flatwork
  • patio
  • residential footing
  • pool deck
Commercial signals

What to watch

  • commercial slab
  • structural concrete
  • foundations
  • site concrete
  • equipment pads
Opportunity timing

When the signal may matter

Foundation and slab signals are early in the project and can be useful for concrete, reinforcing, formwork and material suppliers before placement.

Likely decision-makers

Who may control the work

  • general contractor
  • residential builder
  • developer
  • site contractor
Supplier opportunity

Products + services

  • ready-mix
  • rebar / mesh
  • forms
  • admixtures / curing materials
Qualification check

Before outreach

  • Confirm the active South Carolina credential or registration.
  • Confirm the project type and applicable threshold.
  • Check the permit for a named incumbent contractor.
  • Read status, scope, valuation and filing date together.
  • Verify local permits, business-license and inspection requirements.
SF / WF / RBS CarpentryFramingFraming & Carpentry ContractorScope, boundaries, residential/commercial signals, timing, buyers and supplier demand.+
South Carolina licensing context

What this trade generally covers

Commercial Structural Framing (SF) and Wood Frame Structures (WF) are CLB specialty classifications. Residential carpentry is one of the Residential Builders Commission registration categories.

Open official source ↗
Residential signals

What to watch

  • wall framing
  • roof framing
  • rough carpentry
  • residential addition
  • deck / structural carpentry
Commercial signals

What to watch

  • structural framing
  • wood-frame commercial
  • metal framing interface
  • commercial addition
  • shell construction
Opportunity timing

When the signal may matter

Framing is usually an early-to-mid construction-stage opportunity after foundation and before rough MEP. Material-release timing can matter as much as permit issuance.

Likely decision-makers

Who may control the work

  • general contractor
  • residential builder
  • construction manager
  • framing subcontractor
Supplier opportunity

Products + services

  • lumber / engineered wood
  • connectors / fasteners
  • trusses
  • framing hardware
Qualification check

Before outreach

  • Confirm the active South Carolina credential or registration.
  • Confirm the project type and applicable threshold.
  • Check the permit for a named incumbent contractor.
  • Read status, scope, valuation and filing date together.
  • Verify local permits, business-license and inspection requirements.
RBS Painter / WallpaperFinishesPainting & Wallcovering ContractorScope, boundaries, residential/commercial signals, timing, buyers and supplier demand.+
South Carolina licensing context

What this trade generally covers

Painting and wallpaper are recognized residential specialty registration categories. On commercial projects, standalone painting is not one of the named CLB technical classifications; however, regulated portions of a larger project can still require the appropriate commercial license.

Open official source ↗
Residential signals

What to watch

  • interior repaint
  • exterior painting
  • new-home paint
  • wallcovering
  • remodel finish
Commercial signals

What to watch

  • tenant improvement paint
  • commercial repaint
  • coatings
  • new-building finishes
  • turnover / punch
Opportunity timing

When the signal may matter

Painting often becomes relevant later than structural and MEP trades, but early permit activity can still identify future projects worth nurturing.

Likely decision-makers

Who may control the work

  • general contractor
  • property manager
  • owner
  • residential builder
Supplier opportunity

Products + services

  • paint / coatings
  • spray equipment
  • surface-prep materials
  • lifts / access equipment
Qualification check

Before outreach

  • Confirm the active South Carolina credential or registration.
  • Confirm the project type and applicable threshold.
  • Check the permit for a named incumbent contractor.
  • Read status, scope, valuation and filing date together.
  • Verify local permits, business-license and inspection requirements.
RBS Floor CoveringFinishesFlooring & Carpet ContractorScope, boundaries, residential/commercial signals, timing, buyers and supplier demand.+
South Carolina licensing context

What this trade generally covers

Floor covering is a recognized residential specialty registration category. The CLB also lists commercial carpet installation as work for which no specific license is required, subject to any regulated work embedded in the overall scope.

Open official source ↗
Residential signals

What to watch

  • carpet replacement
  • LVP / hardwood
  • residential remodel flooring
  • new-home flooring
  • floor covering
Commercial signals

What to watch

  • commercial carpet
  • LVT / resilient flooring
  • tenant improvement flooring
  • retail / office finish
  • hospitality turnover
Opportunity timing

When the signal may matter

Flooring is usually a finish-stage opportunity. The best permit signal may appear months before procurement, so track project stage rather than assuming immediate demand.

Likely decision-makers

Who may control the work

  • general contractor
  • owner / property manager
  • interior contractor
  • residential builder
Supplier opportunity

Products + services

  • carpet / tile / resilient products
  • adhesives / underlayment
  • floor prep
  • transition / trim materials
Qualification check

Before outreach

  • Confirm the active South Carolina credential or registration.
  • Confirm the project type and applicable threshold.
  • Check the permit for a named incumbent contractor.
  • Read status, scope, valuation and filing date together.
  • Verify local permits, business-license and inspection requirements.
MS / RBS MasonryMasonryMasonry ContractorScope, boundaries, residential/commercial signals, timing, buyers and supplier demand.+
South Carolina licensing context

What this trade generally covers

Masonry is a commercial General Contractor specialty classification that does not require a technical exam, although the business-law exam still applies. Masonry is also an available residential specialty registration category.

Open official source ↗
Residential signals

What to watch

  • brick veneer
  • block wall
  • chimney repair
  • residential masonry
  • hardscape masonry
Commercial signals

What to watch

  • CMU wall
  • brick veneer
  • masonry restoration
  • commercial addition
  • site / architectural masonry
Opportunity timing

When the signal may matter

Masonry opportunities usually emerge after foundations and before many finish trades. Material lead times and approved submittals matter.

Likely decision-makers

Who may control the work

  • general contractor
  • residential builder
  • architect
  • masonry subcontractor
Supplier opportunity

Products + services

  • block / brick / stone
  • mortar / grout
  • reinforcing accessories
  • scaffolding / lifts
Qualification check

Before outreach

  • Confirm the active South Carolina credential or registration.
  • Confirm the project type and applicable threshold.
  • Check the permit for a named incumbent contractor.
  • Read status, scope, valuation and filing date together.
  • Verify local permits, business-license and inspection requirements.
04 · Residential specialty registrations

South Carolina formally registers finish + specialty trades.

The Residential Builders Commission allows up to three registration classifications at a time. These registrations matter because South Carolina does not treat every finish trade as an unregulated “handyman” activity once the statutory residential specialty threshold is crossed.

RBS

Floor Covering

Residential specialty registration; commercial carpet installation is separately listed by CLB as no-specific-license work.

Residential Builders Commission ↗
Bond rule: When a residential specialty contractor's project for an individual property owner exceeds $5,000, the Commission requires the applicable surety bond. Registration does not authorize work outside the registered scope or separately licensed electrical, HVAC or plumbing work.
05 · Commercial classification directory

Read the two-letter code before you read the job.

South Carolina commercial licenses display two-letter classifications and a numeric group limitation. The number is not a trade code—it reflects the bid/job dollar limit for the license group.

AP

Asphalt Paving

Commercial CLB classification or subclassification. Verify technical-exam requirements, license group and statutory scope.

Official classification chart ↗
BL

Boiler Installation

Commercial CLB classification or subclassification. Verify technical-exam requirements, license group and statutory scope.

Official classification chart ↗
BT

Boring & Tunneling

Commercial CLB classification or subclassification. Verify technical-exam requirements, license group and statutory scope.

Official classification chart ↗
BD / LB / UB

Building

Commercial CLB classification or subclassification. Verify technical-exam requirements, license group and statutory scope.

Official classification chart ↗
CT

Concrete

Commercial CLB classification or subclassification. Verify technical-exam requirements, license group and statutory scope.

Official classification chart ↗
CP

Concrete Paving

Commercial CLB classification or subclassification. Verify technical-exam requirements, license group and statutory scope.

Official classification chart ↗
GG

Glass & Glazing

Commercial CLB classification or subclassification. Verify technical-exam requirements, license group and statutory scope.

Official classification chart ↗
HI

Highway Incidental

Commercial CLB classification or subclassification. Verify technical-exam requirements, license group and statutory scope.

Official classification chart ↗
MM

Miscellaneous Metals

Commercial CLB classification or subclassification. Verify technical-exam requirements, license group and statutory scope.

Official classification chart ↗
NR

Nonstructural Renovation

Commercial CLB classification or subclassification. Verify technical-exam requirements, license group and statutory scope.

Official classification chart ↗
PL

Pipelines

Commercial CLB classification or subclassification. Verify technical-exam requirements, license group and statutory scope.

Official classification chart ↗
MB

Pre-Engineered Metal Buildings

Commercial CLB classification or subclassification. Verify technical-exam requirements, license group and statutory scope.

Official classification chart ↗
1U / 2U

Public Electrical Utility

Commercial CLB classification or subclassification. Verify technical-exam requirements, license group and statutory scope.

Official classification chart ↗
RR

Railroad Lines

Commercial CLB classification or subclassification. Verify technical-exam requirements, license group and statutory scope.

Official classification chart ↗
SF

Structural Framing

Commercial CLB classification or subclassification. Verify technical-exam requirements, license group and statutory scope.

Official classification chart ↗
SP

Swimming Pools

Commercial CLB classification or subclassification. Verify technical-exam requirements, license group and statutory scope.

Official classification chart ↗
WL

Water & Sewer Lines

Commercial CLB classification or subclassification. Verify technical-exam requirements, license group and statutory scope.

Official classification chart ↗
WP

Water & Sewer Plants

Commercial CLB classification or subclassification. Verify technical-exam requirements, license group and statutory scope.

Official classification chart ↗
WF

Wood Frame Structures

Commercial CLB classification or subclassification. Verify technical-exam requirements, license group and statutory scope.

Official classification chart ↗
AC

Air Conditioning

Commercial CLB classification or subclassification. Verify technical-exam requirements, license group and statutory scope.

Official classification chart ↗
EL

Electrical

Commercial CLB classification or subclassification. Verify technical-exam requirements, license group and statutory scope.

Official classification chart ↗
LP

Lightning Protection

Commercial CLB classification or subclassification. Verify technical-exam requirements, license group and statutory scope.

Official classification chart ↗
PK

Packaged Equipment

Commercial CLB classification or subclassification. Verify technical-exam requirements, license group and statutory scope.

Official classification chart ↗
PB

Plumbing

Commercial CLB classification or subclassification. Verify technical-exam requirements, license group and statutory scope.

Official classification chart ↗
1P / 2P

Pressure & Process Piping

Commercial CLB classification or subclassification. Verify technical-exam requirements, license group and statutory scope.

Official classification chart ↗
RG

Refrigeration

Commercial CLB classification or subclassification. Verify technical-exam requirements, license group and statutory scope.

Official classification chart ↗
General contractor group limits

Group 1 through Group 5

GroupBid / job limit
1$100,000
2$400,000
3$1,000,000
4$3,000,000
5Unlimited
Mechanical contractor group limits

Group 1 through Group 5

GroupBid / job limit
1$35,000
2$100,000
3$200,000
4$400,000
5Unlimited
06 · Application + maintenance

Know which board, exam and financial path applies.

South Carolina uses different application systems for commercial contractors and residential builders/specialty contractors. Fees, exams, bonds, renewal cycles and qualifying-person rules differ.

Commercial CLB

General + mechanical licensing

Commercial applicants designate a PQP/QP, satisfy technical exam requirements when applicable, pass the South Carolina Business Management and Law for Commercial Contractors exam, document qualifying experience, and submit the company application with a current financial statement or surety bond supporting the requested group.

  • At least 2 years of qualifying experience within the past 5 years is generally required for exam applicants.
  • Current initial license fee: $350.
  • General licenses expire October 31 in even-numbered years.
  • Mechanical licenses expire October 31 in odd-numbered years.
Commercial licensure →
Residential builder

RBB application path

The Residential Builder path requires Commission approval of experience before exam eligibility, the residential builder technical exam and Business Management & Law exam unless an approved waiver applies, and post-exam licensing documents.

  • Minimum one year of qualifying experience.
  • Current application fee: $135.
  • Current license / renewal fee: $220.
  • $15,000 builder bond is required under the Commission's current bond program.
Residential builder licensure →
Residential specialties

Licensed trades vs registrations

Residential electrical, HVAC and plumbing applicants use exam-based licenses. Roofing, floor covering, masonry, drywall, carpentry, stucco, painting/wallpaper, siding, insulation and solar use specialty registration.

  • Licensed residential trades generally require one year of qualifying experience.
  • Current RBE/RBP license fees are published by the Commission; RBH uses its current fee schedule.
  • Current RBS registration / renewal fee: $100.
  • Registration is limited to three trade classifications at one time.
Residential applications + fees →
07 · Operating in South Carolina

The state license is only one layer.

A valid state credential does not replace local permitting, municipal business licenses, code compliance, workers' compensation or project-specific contract obligations.

Local permits + business licensing

County and municipal authorities administer building permits, inspections and local business-license ordinances. Chapter 59 expressly preserves local regulatory ordinances for residential specialty contractors.

  • Verify the authority having jurisdiction for the project address.
  • Check local business-license requirements before contracting.
  • Confirm portal enrollment, trade registration and inspection sequencing.
Review Chapter 59 ↗

Building code status

The Building Codes Council identifies the 2021 South Carolina Building Codes as effective January 1, 2023. The 2024 code-modification and adoption process is underway, so verify the current state page before relying on an edition.

  • 2021 IBC / IRC / IPC / IMC / IFGC framework.
  • 2020 National Electrical Code is part of the current code set.
  • State and approved local modifications can change details.
Current code adoption ↗

Workers' compensation

The Workers' Compensation Commission states that businesses regularly employing four or more employees generally must maintain coverage. General contractors also face statutory-employer exposure when subcontractors lack coverage.

  • Part-time and family employees count toward the general threshold.
  • GCs commonly require subcontractor certificates.
  • Project-specific coverage questions should be verified with the Commission or insurance counsel.
Workers' comp FAQ ↗

Owner-builder + permit exemptions

South Carolina law provides owner-builder and limited home-improvement exemptions with detailed conditions. These exemptions do not authorize hiring an unlicensed builder or specialty contractor for work that requires a credential.

  • Owner-builder projects carry occupancy and resale/rental restrictions.
  • Certain minor owner-performed improvements are exempt from permit/licensure requirements.
  • Local permitting officials still control the permit process.
Owner-builder statutes ↗

Roofing + insurance contracts

South Carolina residential law includes contract-cancellation rights tied to insurance coverage denials for certain roof-system contracts. Contractors should not treat storm permits as permission to solicit improperly.

  • Confirm current contract notice requirements.
  • Separate project intelligence from insurance adjustment services.
  • Verify whether an incumbent roofer is already named.
Residential roofing statute ↗

Lead-safe renovation

Federal EPA Renovation, Repair and Painting requirements can apply when covered pre-1978 housing or child-occupied facilities are disturbed. Painting and remodeling contractors should evaluate this separately from state licensing.

  • Check whether the project is covered target housing.
  • Verify firm certification and renovator requirements where applicable.
  • Do not assume an RBS painting registration replaces federal compliance.
EPA RRP program ↗
08 · Permit + project intelligence

Read the project—not just the permit title.

A permit becomes more useful when licensing lane, project type, filing date, valuation, named contractor, status and likely construction stage are read together.

01
Permit / project signal
New commercial building / major addition
Likely license / trade fit
BD / LB / UB; specialty subs
Timing read
Early: design, permit review, bidding, procurement
02
Permit / project signal
Residential new home / major residential project
Likely license / trade fit
RBB + licensed/registered residential specialties
Timing read
Early: filing through foundation / framing
03
Permit / project signal
Reroof / roof repair
Likely license / trade fit
RF commercial or RBS roofing residential
Timing read
Fast-moving: filing through material order
04
Permit / project signal
HVAC replacement / commercial mechanical
Likely license / trade fit
AC / PK / HT / RG or RBH residential
Timing read
Replacement can be immediate; new work earlier
05
Permit / project signal
Electrical service / panel / new circuits
Likely license / trade fit
EL commercial or RBE residential
Timing read
Filing, issuance, before rough or equipment release
06
Permit / project signal
Plumbing / water heater / sewer / tenant improvement
Likely license / trade fit
PB commercial or RBP residential
Timing read
Underground and rough-in are key
07
Permit / project signal
Concrete / foundations / slabs
Likely license / trade fit
CT commercial; residential scope depends on project lane
Timing read
Very early project signal
08
Permit / project signal
Structural framing / wood frame
Likely license / trade fit
SF / WF commercial or RBS carpentry residential
Timing read
After foundation, before rough MEP
09
Permit / project signal
Interior finish / painting / flooring / drywall
Likely license / trade fit
RBS categories on residential; commercial licensing varies by scope
Timing read
Mid-to-late project stage
10
Permit / project signal
Pool construction / renovation
Likely license / trade fit
SP under current CLB treatment when threshold is met
Timing read
Early design / permit / excavation
Opportunity note: A public permit is not a guaranteed open job, bid invitation or purchase order. Verify the record, incumbent contractor, project status and whether outreach is appropriate.
09 · TigerLeads intelligence layer

Turn public records into qualified project signals.

This guide explains licensing context. TigerLeads helps users combine public project data with trade fit, service area, timing and known contractor context.

CollectGather permit and government-record activity from monitored jurisdictions.
NormalizeStandardize inconsistent labels, dates, addresses and project descriptions.
MatchRelate project activity to trade, service area and likely construction stage.
PreviewShow enough context to qualify the record before deciding whether to unlock it.

The South Carolina qualification read

A
License fitDoes the project belong to CLB commercial licensing, residential builder licensing or a residential specialty lane?
B
Value fitDoes the total construction cost cross the relevant $10,000, $5,000 or $500 threshold?
C
Project fitDo scope, location, occupancy and project type match the user's capabilities?
D
Timing fitIs the project filed, issued, in rough work, in correction or near finish?

What TigerLeads users should verify

01
Named partiesOwner, applicant, designer and any contractor already listed.
02
Current statusApplication, issued permit, inspection activity, corrections or final.
03
Scope + valuationRead description and value together; neither is sufficient alone.
04
Local rulesCheck local permits, business-license and registration requirements.
11 · Official verification

Continue the research at the source.

Licensing rules, fees, code editions, classifications and local procedures can change. TigerLeads is not the licensing authority; production guidance should always point users to the responsible agency.

01SC Contractor's Licensing BoardCommercial general/mechanical licensing, classifications, PQP/QP requirements and current board notices.02CLB General InformationExplains the >$10,000 commercial licensing trigger, PQP/QP model and experience requirements.03CLB Licensure InformationCurrent technical-exam classifications and general/mechanical group dollar limitations.04Classification Abbreviations + Group LimitsOfficial two-letter classification abbreviations and Group 1-5 bid/job limits.05SC Code Title 40 Chapter 11Statutory commercial contractor licensing trigger and classification framework.06General/Mechanical Initial ApplicationCurrent licensure fee, licensing periods, financial statement and surety-bond options.07Non-Regulated Commercial WorkOfficial list of work for which no specific CLB license is required, subject to regulated-scope caveats.08Residential Builders CommissionResidential builder, specialty contractor and home-inspector licensing/registration.09Residential Builder LicenseResidential builder scope, $5,000 threshold, experience/exam process and current fees.10Residential Specialty Contractor RegistrationRegistration rules for roofing, flooring, masonry, drywall, carpentry, stucco, painting, siding, insulation and solar.11Residential Electrician LicenseResidential electrical licensing, $500 threshold, exam and waiver pathways.12Residential HVAC LicenseResidential HVAC licensing, $500 threshold, exam and waiver pathways.13Residential Plumber LicenseResidential plumbing licensing, $500 threshold, exam and waiver pathways.14Residential Examination InformationTechnical and Business Management & Law exam structure for residential builders and licensed residential trades.15Residential Applications + FeesCurrent residential application, license, registration, renewal and reinstatement fee schedule.16Residential Bond RequirementsCurrent $15,000 builder bond and specialty-contractor bond requirements.17SC Code Title 40 Chapter 59Residential builder/specialty definitions, thresholds, owner-builder rules and local regulatory authority.18Residential Swimming Pool ContractorsCurrent pool-contractor licensing treatment under the General Contractor-Specialty Swimming Pools classification.19SC Building Codes CouncilCurrent statewide building-code adoption status and modification process.20Workers' Compensation CommissionGeneral four-employee coverage rule and contractor/subcontractor coverage considerations.21EPA Renovation, Repair and Painting ProgramFederal lead-safe renovation requirements for covered pre-1978 target housing and child-occupied facilities.
Editorial methodology: State licensing and code claims are tied to primary South Carolina government sources. TigerLeads opportunity guidance is educational interpretation of public project signals, not legal advice, a licensing determination or a representation that a project is open for award.
12 · South Carolina contractor FAQ

Questions contractors actually search.

These answers focus on South Carolina licensing, thresholds, trade classifications and practical permit interpretation.

01When does South Carolina require a commercial contractor license?+
For regulated general or mechanical contracting, the current statutory trigger is total construction cost greater than $10,000. The correct classification and license group still matter.
02What is the difference between Limited Building and Unlimited Building?+
Limited Building is restricted to three stories and Groups 1-3. Unlimited Building has no story-height limitation and may qualify for any of the five current group limits.
03What do the numbers after South Carolina contractor classifications mean?+
The number indicates the license group and corresponding bid/job dollar limitation. For example, a Group 3 general-contractor license currently carries a $1,000,000 per-job limit.
04What is the residential builder threshold?+
The Residential Builders Commission defines residential builder work as qualifying residential construction exceeding $5,000 within the statutory residential building limits.
05When does a residential specialty contractor need a license or registration?+
Residential specialty contracting generally becomes regulated when the undertaking exceeds $500. Electrical, HVAC and plumbing use licenses; several other listed trades use registrations.
06Does South Carolina separately register residential roofers?+
Yes. Roofing is one of the Residential Builders Commission specialty registration categories. Commercial roofing is handled through the RF commercial specialty classification.
07Does South Carolina license painting contractors?+
Painting/wallpaper is a residential specialty registration category. Standalone commercial painting is not one of the CLB technical classifications, but regulated portions of a broader commercial scope can still require licensing.
08What about commercial carpet installation?+
The Contractor's Licensing Board lists commercial carpet installation among work for which no specific CLB license is required, while regulated work embedded in the project can still trigger the appropriate license.
09How is concrete contracting handled?+
Concrete is a commercial General Contractor specialty classification (CT). The residential specialty-registration list does not contain a stand-alone concrete registration, so residential scope must be checked against builder, project-role and local requirements.
10How is framing handled?+
Commercial Structural Framing (SF) and Wood Frame Structures (WF) are CLB specialty classifications. Residential carpentry is an RBS registration category.
11Who licenses residential electricians?+
The South Carolina Residential Builders Commission licenses residential electricians; commercial Electrical (EL) licensing is handled by the Contractor's Licensing Board.
12Who licenses residential HVAC contractors?+
The South Carolina Residential Builders Commission licenses residential HVAC installers and repairers. Commercial mechanical classifications are handled by the Contractor's Licensing Board.
13Who licenses residential plumbers?+
The Residential Builders Commission issues the residential plumber license, while commercial Plumbing (PB) is a CLB mechanical classification.
14What experience is required for commercial qualifying parties?+
The CLB states that applicants generally must document at least two years of work experience within the past five years for the requested classification or subclassification, except approved waiver/reciprocity cases.
15What experience is required for residential builder licensing?+
The Residential Builders Commission requires at least one year of qualifying experience before examination eligibility.
16What is a Primary Qualifying Party?+
A PQP is the principal qualifying individual responsible for directing or reviewing the company's work in a particular commercial classification or subclassification.
17What are current general-contractor group limits?+
Current general-contractor bid/job limits are $100,000, $400,000, $1,000,000, $3,000,000 and Unlimited for Groups 1 through 5.
18What are current mechanical-contractor group limits?+
Current mechanical-contractor bid/job limits are $35,000, $100,000, $200,000, $400,000 and Unlimited for Groups 1 through 5.
19What building code is currently in effect?+
South Carolina currently identifies the 2021 South Carolina Building Codes, effective January 1, 2023, while the 2024 code-modification/adoption process is underway. Verify the Building Codes Council page before relying on an edition.
20Do local permits and business licenses still matter?+
Yes. State licensing does not replace county or municipal permits, business-license ordinances, inspections, zoning, utility approvals or local registration procedures.
21When is workers' compensation generally required?+
The South Carolina Workers' Compensation Commission states that businesses regularly employing four or more employees are generally required to maintain coverage, subject to exemptions and contractor-specific statutory-employer rules.
22Does a permit mean the job is available to bid?+
No. A permit is a public project signal. Verify the owner, applicant, listed contractor, status, scope and whether outreach is appropriate before treating it as an opportunity.
TigerLeads.AI

CHASE EVERY LEAD. STRIKE FIRST.

Use South Carolina licensing knowledge to filter bad-fit work, then preview permit-based project intelligence by trade, territory, scope and timing.

TigerLeads.AI — Chase Every Lead. Strike First.