RW
DORA · ELECTRICAL
Verify / Learn More ↗Residential Wireman
Individual electrical credential in the Colorado State Electrical Board ladder.
Colorado contractor intelligence
Colorado Contractor License & Trade Guide
Colorado uses a clean state/local split. DORA licenses the electrical ladder RW · JW · ME · EC and the plumbing ladder RP · JP · MP · PC. The supplied Colorado source identifies no statewide general contractor, HVAC/mechanical, or roofing license; those are handled by the city or county where the work occurs. This guide turns that structure into practical permit-routing intelligence.
Source-based build · verify the live DORA or local jurisdiction record before relying on a credential
Statewide GC licenseNo
General contracting is local.
State-licensed trades2
Electrical and plumbing through DORA.
State code designations8
RW · JW · ME · EC · RP · JP · MP · PC.
Local-first tradesGC · HVAC · Roof
Verify the project jurisdiction.
01 · Licensing model
How Colorado Actually Licenses Contractors
Colorado’s statewide contractor structure is narrow and prefix-driven. Electrical and plumbing are the two state-licensed construction trades in the supplied source; general contracting, HVAC/mechanical and roofing are local licensing questions.
DORA handles the state ladders; the AHJ handles the rest.
The source organizes electrical as Residential Wireman → Journeyman Electrician → Master Electrician → Electrical Contractor, and plumbing as Residential Plumber → Journeyman Plumber → Master Plumber → Plumbing Contractor. The DORA prefix is meant to identify the credential class directly from the license record.
Critical routing rule: no DORA record for a Colorado GC, HVAC contractor or roofer is not automatically a problem. For those trades, verify the local city/county registration, license, certificate, bond or permit requirements.
02 · Market-defining credentials
The Codes That Shape the Market
Colorado is one of the clearest prefix-driven states in the supplied source. These eight wide horizontal rows preserve the exact electrical and plumbing credential ladder without inventing a statewide GC/HVAC/roofing code.
JW
DORA · ELECTRICAL
Verify / Learn More ↗Journeyman Electrician
Individual journeyman electrical credential; the supplied source treats JW as an embedded DORA prefix.
ME
DORA · ELECTRICAL
Verify / Learn More ↗Master Electrician
Master-level individual electrical credential used to qualify contractor operations.
EC
DORA · ELECTRICAL
Verify / Learn More ↗Electrical Contractor
Business contractor credential; supplied source says a Master Electrician qualifier is required and flags exact issued prefix formatting for live confirmation.
RP
DORA · PLUMBING
Verify / Learn More ↗Residential Plumber
Individual residential plumbing credential under the Colorado State Plumbing Board.
JP
DORA · PLUMBING
Verify / Learn More ↗Journeyman Plumber
Individual journeyman plumbing credential; source identifies JP as an embedded DORA prefix.
MP
DORA · PLUMBING
Verify / Learn More ↗Master Plumber
Master-level plumbing credential used to qualify contractor operations.
PC
DORA · PLUMBING
Verify / Learn More ↗Plumbing Contractor
Business contractor credential; supplied source says a Master Plumber qualifier is required and flags exact issued prefix formatting for live confirmation.
03 · Priority trades
Colorado Trade Routing Guide
Translate permit activity into the correct DORA or local-jurisdiction verification lane. Contractor businesses and individual credentials are intentionally kept separate.
ECStatewide · DORAElectrical Contractor+
License / routing rule
Business credential for contracting electrical work; source says it requires a Master Electrician qualifier.
Permit signals
New electrical permits, service upgrades, panels, commercial TI, new construction, solar-related electrical scope.
Verify through
DORA Electrical Board and DORA license lookup.
TigerLeads use
Strong statewide business-routing lane.
MEStatewide · DORAMaster Electrician+
License / routing rule
Master-level individual electrical credential.
Permit signals
Contractor qualification, permit responsibility, supervisory/technical role.
Verify through
DORA Electrical Board.
TigerLeads use
Use to validate the qualifying individual behind electrical contracting.
JWStatewide · DORAJourneyman Electrician+
License / routing rule
Journeyman individual electrical credential.
Permit signals
Electrical installation and service work.
Verify through
DORA Electrical Board.
TigerLeads use
Useful individual-skill validation, separate from the contractor entity.
RWStatewide · DORAResidential Wireman+
License / routing rule
Residential-scope electrical credential in the state ladder.
Permit signals
Residential electrical permits, service changes, rewiring and new-home electrical scope.
Verify through
DORA Electrical Board.
TigerLeads use
Useful for residential permit routing and workforce validation.
PCStatewide · DORAPlumbing Contractor+
License / routing rule
Business plumbing credential; source says it requires a Master Plumber qualifier.
Permit signals
New plumbing, alterations, water/sewer connections, remodels and commercial plumbing permits.
Verify through
DORA Plumbing Board and DORA license lookup.
TigerLeads use
Strong statewide business-routing lane.
MPStatewide · DORAMaster Plumber+
License / routing rule
Master-level individual plumbing credential.
Permit signals
Contractor qualification, permit responsibility and technical supervision.
Verify through
DORA Plumbing Board.
TigerLeads use
Validate the qualifying individual behind the plumbing contractor.
JPStatewide · DORAJourneyman Plumber+
License / routing rule
Journeyman individual plumbing credential.
Permit signals
Plumbing installation, alteration and service.
Verify through
DORA Plumbing Board.
TigerLeads use
Useful individual verifier, not a substitute for contractor-entity checks.
RPStatewide · DORAResidential Plumber+
License / routing rule
Residential plumbing credential in the state ladder.
Permit signals
Residential plumbing permits, remodels, new homes and fixture/system work.
Verify through
DORA Plumbing Board.
TigerLeads use
Useful residential routing credential.
GCLocal · AHJGeneral Contractor+
License / routing rule
No statewide GC license is identified in the supplied source; local jurisdictions set contractor classes and rules.
Permit signals
New buildings, additions, major remodels, tenant improvements, structural work.
Verify through
Project city/county building department.
TigerLeads use
High-volume opportunity lane; jurisdiction must be known first.
HVACLocal · AHJHVAC / Mechanical+
License / routing rule
No statewide HVAC/mechanical contractor license is identified; local certificates/licenses control.
Permit signals
Mechanical permits, equipment replacement, ductwork, tenant improvements, new systems.
Verify through
Project city/county building department; use DORA only when electrical/plumbing scope separately applies.
TigerLeads use
High-value mechanical signal with local credential routing.
ROOFLocal · AHJRoofing+
License / routing rule
No statewide roofing contractor license is identified in the source.
Permit signals
Re-roof, reroof tear-off, commercial roofing, roof replacement permits.
Verify through
Project city/county building department.
TigerLeads use
Fast-turn permit signal; local registration rules matter.
CDOTState work · PrequalCDOT Prequalification+
License / routing rule
Not a contractor license. The supplied source separately identifies CDOT prequalification for state highway bidding.
Permit signals
Highway, bridge, civil and transportation procurement.
Verify through
Colorado Department of Transportation prequalification.
TigerLeads use
Keep procurement qualification separate from DORA trade licensing.
04 · Credential directory
Colorado Credential & Routing Directory
Search state credential prefixes, local jurisdiction examples, design-professional codes and verification routes. Local routing labels are not represented as state-issued license prefixes.
32 entries
RW
Residential Wireman
DORA electrical individual
JW
Journeyman Electrician
DORA electrical individual
ME
Master Electrician
DORA electrical individual
EC
Electrical Contractor
DORA electrical business
RP
Residential Plumber
DORA plumbing individual
JP
Journeyman Plumber
DORA plumbing individual
MP
Master Plumber
DORA plumbing individual
PC
Plumbing Contractor
DORA plumbing business
APP-E
Electrical Apprentice
DORA ladder / no exam noted in source
APP-P
Plumbing Apprentice
DORA ladder / no exam noted in source
GC-A
Denver General Contractor Class A
Local Denver routing example
GC-B
Denver General Contractor Class B
Local Denver routing example
GC-C
Denver General Contractor Class C
Local Denver routing example
GC-D
Denver General Contractor Class D
Local Denver routing example
MECH
Denver Mechanical Certificate
Local Denver HVAC/mechanical routing
PPRBD
Pikes Peak Regional Building
Colorado Springs regional licensing authority
AUR
Aurora Contractor Licensing
Local general/specialty contractor routing
BLDR
Boulder Contractor Licensing
Local building/contractor class routing
LOCAL-GC
General Contractor
Local-only statewide model
LOCAL-HVAC
HVAC / Mechanical
Local-only statewide model
LOCAL-ROOF
Roofing
Local-only statewide model
ARC
Architect
DORA design professional · not contractor
PE
Professional Engineer
DORA design professional · not contractor
PLS
Professional Land Surveyor
DORA design professional · not contractor
LA
Landscape Architect
DORA design professional · not contractor
CDOT
CDOT Prequalification
State highway procurement qualification · not license
DORA-E
State Electrical Board
Official authority
DORA-P
State Plumbing Board
Official authority
LOOKUP
DORA License Lookup
Official verification tool
CRS-115
C.R.S. §12-115
Electrical practice act
CRS-155
C.R.S. §12-155
Plumbing practice act
AHJ
Local Building Department
GC/HVAC/roofing source of truth
05 · Permit intelligence
Colorado Permit Signals Worth Routing
The project jurisdiction determines the local license gate; the permit scope determines whether a DORA electrical or plumbing credential should also be verified.
Permit / project signal
Likely trade targets
Credential route
Opportunity read
New residential building
GC · EC · PC
Local GC + DORA electrical/plumbing
HighGround-up work exposes multiple downstream trade opportunities.
Commercial new / tenant improvement
GC · EC · PC · HVAC
Local GC/HVAC + DORA electrical/plumbing
HighStrong multi-trade signal with state/local split verification.
Electrical service / panel upgrade
EC · ME/JW
DORA
HighDirect electrical opportunity with embedded-prefix verification.
Plumbing alteration / water-sewer
PC · MP/JP
DORA
HighDirect plumbing opportunity and useful qualifier checks.
Mechanical / HVAC permit
HVAC + possible EC/PC
Local AHJ + DORA when applicable
HighMechanical contractor is local; electrical/plumbing scopes remain state-regulated.
Re-roof permit
ROOF
Local AHJ
HighNo statewide roofer license in supplied source; local rules control.
Major remodel / addition
GC · EC · PC · HVAC
Local AHJ + DORA
HighExcellent cross-trade timing signal.
Public highway / civil procurement
CDOT + trade credentials
CDOT + DORA where applicable
MediumCDOT prequalification is procurement qualification, not a DORA contractor license.
06 · Verification workflow
Verify Colorado in the Right Order
Colorado is easy to misread if a team searches DORA for every construction trade. Verification must follow both trade and project jurisdiction.
01
Identify the AHJ
Determine the city/county building department before checking local GC, HVAC or roofing requirements.
02
Read the permit scope
Determine whether electrical, plumbing, general building, HVAC or roofing work is actually implicated.
03
Use DORA for E/P
Verify electrical and plumbing credentials using the DORA board pages and online license lookup.
04
Use local records for GC/HVAC/Roof
For those trades, a missing DORA record is expected under the source’s state/local model.
05
Separate person from business
RW/JW/ME and RP/JP/MP are individual ladders; EC and PC are business contractor credentials in the supplied source.
06
Re-check live rules
Local classes, reciprocity, bonds, insurance and permit rules can change. Use the current issuing authority before operational reliance.
07 · Primary authorities
Official Colorado Sources
The supplied Colorado source points to DORA for state electrical/plumbing verification and to local building authorities for general contracting, HVAC and roofing.
01DORA · State Electrical BoardOfficial verification / authority source from supplied Colorado reference↗02DORA · State Plumbing BoardOfficial verification / authority source from supplied Colorado reference↗03DORA · Online License LookupOfficial verification / authority source from supplied Colorado reference↗04DORA · Division of Professions & OccupationsOfficial verification / authority source from supplied Colorado reference↗05C.R.S. §12-115 · ElectriciansOfficial verification / authority source from supplied Colorado reference↗06C.R.S. §12-155 · PlumbersOfficial verification / authority source from supplied Colorado reference↗07Denver · Community Planning & DevelopmentOfficial verification / authority source from supplied Colorado reference↗08Pikes Peak Regional Building DepartmentOfficial verification / authority source from supplied Colorado reference↗09City of Aurora · Building DivisionOfficial verification / authority source from supplied Colorado reference↗10City of Boulder · Building / Contractor RoutingOfficial verification / authority source from supplied Colorado reference↗11CDOT · Contractor PrequalificationOfficial verification / authority source from supplied Colorado reference↗12Colorado DORA · License & Profession PortalOfficial verification / authority source from supplied Colorado reference↗
08 · FAQ
Colorado Contractor Licensing Questions
Fast answers based on the supplied Colorado contractor reference, with local-vs-state distinctions kept explicit.
01What are the Colorado state contractor license acronyms?+
The supplied source identifies electrical RW, JW, ME and EC, and plumbing RP, JP, MP and PC.
02Does Colorado have a statewide general contractor license?+
No. The supplied source says general contracting is licensed at the city or county level.
03Which construction trades are state-licensed through DORA?+
Electrical and plumbing are the two state-licensed construction trades identified in the supplied source.
04What do RW, JW and ME mean?+
Residential Wireman, Journeyman Electrician and Master Electrician.
05What does EC mean in this guide?+
Electrical Contractor, the business credential described by the source. The source flags exact issued prefix formatting for live confirmation before hard-coding.
06What do RP, JP and MP mean?+
Residential Plumber, Journeyman Plumber and Master Plumber.
07What does PC mean in this guide?+
Plumbing Contractor, the business credential described by the source. The source flags exact issued prefix formatting for live confirmation before hard-coding.
08Is there a statewide HVAC contractor license?+
No statewide HVAC/mechanical contractor license is identified in the supplied source. Verify locally.
09Are roofers licensed statewide?+
No statewide roofing contractor license is identified in the supplied source. Verify the project jurisdiction.
10How do Denver contractor licenses fit in?+
Denver is a local licensing example in the supplied source, including GC classes A/B/C/D and a mechanical certificate.
11What is Pikes Peak Regional Building?+
The supplied source identifies Pikes Peak Regional Building Department as a major local licensing authority for the Colorado Springs region.
12Does Aurora have local contractor licensing?+
Yes. The supplied source lists Aurora as a representative local jurisdiction for general and specialty contractor licensing.
13Does Boulder have local contractor licensing?+
Yes. The source lists Boulder building/contractor licenses by class as a local example.
14Are ARC, PE, PLS and LA contractor licenses?+
No. The source explicitly labels these DORA design-professional credentials as related records, not contractor licenses.
15What is CDOT prequalification?+
The source treats CDOT prequalification as a separate qualification for state highway bidding, not a DORA contractor license.
16Can a permit prove a Colorado project is open for bidding?+
No. A permit is a project signal showing activity and timing; it is not proof of an open bid or guaranteed job.
17What should TigerLeads verify first in Colorado?+
Start with the project jurisdiction and permit scope, then use DORA for electrical/plumbing or the AHJ for GC/HVAC/roofing.
18How often should Colorado licensing rules be reviewed?+
Before operational reliance. State records and local ordinances can change, so the live issuing authority is the final source of truth.
Turn Colorado Permits Into Earlier Opportunities.
TigerLeads helps construction companies identify permit-driven project signals, understand the work behind the record and reach the market earlier.
