HIC
DCP · RESIDENTIAL
Verify / Learn More ↗Home Improvement Contractor
Registration for covered repair, remodeling and alteration of existing residential property.
Connecticut contractor intelligence
Connecticut Contractor License & Trade Guide
Connecticut has no generic statewide general-contractor license, but it centrally licenses skilled trades through the Department of Consumer Protection (DCP). Residential work uses HIC and NHC registrations, while electrical, plumbing, HVAC, sheet metal, fire protection and elevator work use coded classifications such as E-1, P-1 and S-1. Many DCP credential numbers also carry an embedded, parseable prefix such as ELC, PLM or HTG.
Source-based build · verify DCP classification, active status and any DPH or local/public-work requirement that matches the scope
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 Connecticut Actually Licenses Contractors
Connecticut combines residential registrations, individual statewide trade licenses and separate environmental credentials rather than issuing one universal GC license.
No generic statewide GC license. Existing-home repair, remodeling and alteration uses the DCP Home Improvement Contractor registration, while new-home construction uses the separate New Home Construction Contractor registration.
Trade work is licensed statewide. Electrical, plumbing/piping, heating/piping/cooling, sheet metal, fire protection and elevator credentials use named contractor/journeyperson classifications under DCP.
Odd/even classification matters. The source describes the odd-numbered class as the contractor level and the even-numbered class as the journeyperson level for the major trade pairs.
Environmental work is separate. Asbestos and lead credentials route through the Department of Public Health, not DCP.
02 · Core codes
Codes That Shape the Connecticut Market
These high-value codes combine DCP residential registrations and contractor-level trade classifications from the supplied source.
NHC
DCP · NEW HOME
Verify / Learn More ↗New Home Construction Contractor
Separate registration for building or selling new homes.
E-1
DCP · ELECTRICAL
Verify / Learn More ↗Unlimited Electrical Contractor
Contractor-level unlimited electrical classification; E-2 is the journeyperson level.
P-1
DCP · PLUMBING
Verify / Learn More ↗Unlimited Plumbing & Piping Contractor
Contractor-level unlimited plumbing and piping classification; P-2 is the journeyperson level.
S-1
DCP · HVAC
Verify / Learn More ↗Unlimited HVAC Contractor
Contractor-level heating, piping and cooling classification; S-2 is the journeyperson level.
SM-1
DCP · SHEET METAL
Verify / Learn More ↗Sheet Metal Contractor
Contractor-level sheet-metal classification; SM-2 is the journeyperson level.
F-1
DCP · FIRE
Verify / Learn More ↗Fire Protection Sprinkler Contractor
Contractor-level sprinkler/fire-protection classification; F-2 is the journeyperson level.
R-1
DCP · ELEVATOR
Verify / Learn More ↗Elevator Contractor
Contractor-level elevator classification; R-2 is the journeyperson level.
03 · Trade routing
Connecticut Trade Routing Guide
Route by the actual work scope, then distinguish contractor-level versus journeyperson-level classifications and registration versus license status.
HICDCP · registrationExisting-Home Improvement+
Best routing use
Use HIC for covered repair, remodel and alteration work on existing residential property.
Permit / scope signals
Residential remodeling, additions, repair, roofing and improvement permits.
Verification source
DCP HIC registration lookup.
Important guardrail
HIC is a registration, not an exam-based trade license.
NHCDCP · registrationNew Home Construction+
Best routing use
Use NHC for new-home builder/seller activity.
Permit / scope signals
New single-family construction and new-home sales/build permits.
Verification source
DCP NHC registration lookup.
Important guardrail
NHC is separate from HIC.
E-1 / E-2DCP · ELC prefixElectrical+
Best routing use
Use E-1 for unlimited contractor routing; E-2 is journeyperson.
Permit / scope signals
Electrical service, panels, wiring and general electrical permits.
Verification source
DCP eLicense; credential type prefix ELC.
Important guardrail
Limited electrical classes also exist; match the actual scope.
P-1 / P-2DCP · PLM prefixPlumbing & Piping+
Best routing use
Use P-1 for unlimited contractor routing; P-2 is journeyperson.
Permit / scope signals
Water, waste, vent, gas, sanitary/storm and process piping.
Verification source
DCP eLicense; credential type prefix PLM.
Important guardrail
Limited pump, sprinkler, lateral, petroleum and pool classes also exist.
S-1 / S-2DCP · HTG prefixHeating, Piping & Cooling+
Best routing use
Use S-1 for unlimited contractor routing; S-2 is journeyperson.
Permit / scope signals
HVAC, heating, refrigeration, boilers and process piping.
Verification source
DCP eLicense; credential type prefix HTG.
Important guardrail
Limited D, B, G, ST and S-series classes narrow the scope.
SM-1 / SM-2DCP · SHM prefixSheet Metal+
Best routing use
Route ductwork and sheet-metal systems to the appropriate contractor class.
Permit / scope signals
Duct systems, hoods and related sheet-metal work.
Verification source
DCP eLicense; credential type prefix SHM.
Important guardrail
SM-4 and SM-6 limited classes appear in the source.
F-1 / F-2DCP · FRP prefixFire Protection Sprinkler+
Best routing use
Use F-1 contractor classification for sprinkler/fire-protection contracting.
Permit / scope signals
Sprinklers and fire suppression systems.
Verification source
DCP eLicense; credential type prefix FRP.
Important guardrail
F-3/F-4 limited special-hazard classes also exist.
R-1 / R-2DCP · ELV prefixElevator & Conveyance+
Best routing use
Use R-1 contractor classification for elevator work.
Permit / scope signals
Elevators, escalators, moving walks and specialty lift/conveyance work.
Verification source
DCP eLicense; credential type prefix ELV.
Important guardrail
Limited R-5 through R-10 and RSL classes cover narrower equipment.
FG / AGDCP · GLZ prefixGlass & Glazing+
Best routing use
Use the applicable flat-glass or automotive-glass classification.
Permit / scope signals
Glazing, glass replacement and related permit scopes.
Verification source
DCP eLicense; credential type prefix GLZ.
Important guardrail
Match flat-glass versus automotive scope.
SPBDCP · specialtySwimming Pool Builder+
Best routing use
Use the pool-builder credential for covered in-ground pool construction.
Permit / scope signals
New in-ground pool permits and major pool construction.
Verification source
DCP license verification.
Important guardrail
Do not confuse with limited plumbing pool-maintenance classifications.
ASBDPH · environmentalAsbestos Abatement+
Best routing use
Use the Connecticut-specific DPH certification matching the role.
Permit / scope signals
Demolition, renovation and asbestos-abatement scopes.
Verification source
Connecticut DPH.
Important guardrail
Separate from DCP eLicense; source states no reciprocity.
LEADDPH · environmentalLead Abatement+
Best routing use
Use the Connecticut-specific DPH credential matching contractor/worker/inspection scope.
Permit / scope signals
Pre-1978 renovation, abatement and lead-hazard work.
Verification source
Connecticut DPH.
Important guardrail
Separate from ordinary HIC or trade-license routing.
04 · Credential directory
Connecticut Credential & Routing Directory
Search the major DCP registrations, trade classifications, embedded credential prefixes and DPH environmental labels in the supplied source.
38 entries
HIC
Home Improvement Contractor
DCP registration
NHC
New Home Construction Contractor
DCP registration
ELC
Electrical credential prefix
Embedded prefix
E-1
Unlimited Electrical Contractor
Contractor class
E-2
Unlimited Electrical Journeyperson
Journeyperson
L-1/L-2
Line / high-voltage electrical
Limited electrical
L-5/L-6
Low-voltage / alarm electrical
Limited electrical
T-1/T-2
Telephone interconnect
Limited electrical
PV-1/PV-2
Solar electric
Limited electrical
C-5–C-8
Sign / low-voltage specialty
Limited electrical
PLM
Plumbing credential prefix
Embedded prefix
P-1
Unlimited Plumbing & Piping Contractor
Contractor class
P-2
Unlimited Plumbing & Piping Journeyperson
Journeyperson
J-1/J-2
Water pumps & conditioning
Limited plumbing
J-3/J-4
Lawn sprinkler
Limited plumbing
P-5/P-6
Water/sewer/storm lateral
Limited plumbing
P-7/P-8
Petroleum tank piping
Limited plumbing
SP-1/SP-2
Pool maintenance
Limited plumbing
HTG
HVAC credential prefix
Embedded prefix
S-1
Unlimited HVAC Contractor
Contractor class
S-2
Unlimited HVAC Journeyperson
Journeyperson
D-1/D-2
Warm-air AC & refrigeration
Limited HVAC
B-1/B-2
Gas/oil burner
Limited HVAC
G-1/G-2
Gas piping & appliances
Limited HVAC
ST-1/ST-2
Solar thermal
Limited HVAC
SHM
Sheet Metal credential prefix
Embedded prefix
SM-1/SM-2
Sheet Metal Contractor / Journeyperson
DCP
FRP
Fire Protection credential prefix
Embedded prefix
F-1/F-2
Fire Protection Contractor / Journeyperson
DCP
ELV
Elevator credential prefix
Embedded prefix
R-1/R-2
Elevator Contractor / Journeyperson
DCP
GLZ
Glass credential prefix
Embedded prefix
See Connecticut permit-driven opportunities matched to the right credential lane.
Create Free Account05 · Permit signals
Connecticut Permit Signals Worth Watching
These permit categories can indicate likely upcoming demand. They are project signals, not proof of an open bid, guaranteed job or contractor availability.
Permit / project signal
Likely trade targets
Credential route
Opportunity read
Existing-home remodel
HIC
Remodelers · roofers · finish trades
Verify HIC registration and any separate licensed-trade scope.
New home construction
NHC
Builders · suppliers · residential trades
Verify NHC registration plus regulated trades.
Electrical
E-1 / ELC
Electrical contractors · suppliers
Verify contractor-level class and active DCP status.
Plumbing
P-1 / PLM
Plumbing contractors · suppliers
Verify contractor-level P-1 or correct limited class.
HVAC
S-1 / HTG
HVAC contractors · equipment suppliers
Verify S-1 or correct limited HVAC class.
Fire / sprinkler
F-1 / FRP
Fire-protection contractors · suppliers
Verify contractor-level fire-protection classification.
Elevator / accessibility
R-1 / ELV
Elevator contractors · equipment vendors
Match elevator/conveyance scope to the correct class.
Demo / environmental
ASB / LEAD
Abatement · remediation · demolition
Route Connecticut-specific DPH credentials separately from DCP.
06 · Verification workflow
How to Verify a Connecticut Contractor
Connecticut verification can use the embedded credential prefix as an initial routing clue, but classification and active status still need confirmation.
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 · Official sources
Official Connecticut Sources
Use the issuing agency pages and governing statutes for current verification. The supplied source centers DCP, DPH, DAS and Connecticut statutes.
01Connecticut DCPLicensing authority↗02DCP Verify a LicenseeLicense lookup↗03DCP Trade License TypesOfficial trade-code list↗04Connecticut DPHAsbestos & lead↗05Connecticut DASPublic-work prequalification↗06CGS Chapter 393Occupational trade licensing↗07CGS Chapter 400Home Improvement Contractors↗08CGS Chapter 399aNew Home Construction↗09DCP Occupational LicensingTrade licensing programs↗10DCP Home ImprovementHIC program↗11DCP New Home ConstructionNHC program↗12DPH Environmental HealthAbatement credentials↗
08 · FAQ
Connecticut Contractor Licensing Questions
These answers follow the supplied Connecticut source and should be rechecked against current agency records before operational use.
01Does Connecticut require a general contractor license?+
The supplied source says Connecticut does not license a generic statewide general contractor. Residential work instead uses HIC or NHC registration, while commercial GC work relies on local permits and public-work prequalification where applicable.
02What is HIC?+
HIC is the DCP Home Improvement Contractor registration for covered work on existing residential property.
03What is NHC?+
NHC is the separate DCP New Home Construction Contractor registration for building or selling new homes.
04Are HIC and NHC trade licenses?+
No. The supplied source identifies both as registrations rather than exam-based skilled-trade licenses.
05What do E-1 and E-2 mean?+
E-1 is the unlimited electrical contractor classification; E-2 is the unlimited electrical journeyperson classification.
06What do P-1 and P-2 mean?+
P-1 is the unlimited plumbing and piping contractor classification; P-2 is the journeyperson classification.
07What do S-1 and S-2 mean?+
S-1 is the unlimited heating, piping and cooling contractor classification; S-2 is the journeyperson classification.
08How does odd/even classification work?+
The source describes odd-numbered major trade classes as contractor level and even-numbered classes as journeyperson level.
09What is the ELC prefix?+
ELC is the embedded credential-type prefix used for electrical license numbers in the supplied source.
10Which other embedded prefixes matter?+
The source identifies PLM for plumbing, HTG for heating/cooling, SHM for sheet metal, FRP for fire protection, ELV for elevator, GLZ for glass, plus HIC and NHC.
11Are Connecticut trade licenses issued to companies?+
The supplied source says skilled-trade licenses are issued to individuals; the contractor-level licensee qualifies the business. HIC/NHC registrations can be held by a business or individual.
12How is sheet metal routed?+
Use SM-1 contractor or SM-2 journeyperson for the broad sheet-metal lane, with limited classes for narrower work.
13How is fire protection routed?+
Use F-1 contractor or F-2 journeyperson for the broad sprinkler/fire-protection lane, with limited special-hazard classes where applicable.
14How is elevator work routed?+
Use R-1 contractor or R-2 journeyperson for the broad elevator lane and the correct limited class for specialized conveyances.
15Who handles asbestos work?+
The Department of Public Health handles Connecticut asbestos credentials, separately from DCP.
16Who handles lead work?+
The Department of Public Health handles Connecticut lead-abatement credentials, separately from DCP.
17Where should Connecticut credentials be verified?+
Use DCP eLicense for DCP trades and registrations; use DPH for asbestos and lead; use local permit authorities and DAS where commercial/public-work routing requires them.
18How should Connecticut permits be used in TigerLeads?+
As project signals that may indicate upcoming demand. A permit is not proof of an open bid, guaranteed job or contractor availability.
Turn Connecticut Permits Into Earlier Opportunities.
TigerLeads helps contractors, trades and suppliers identify permit-driven project signals, understand likely scope and reach the Connecticut market earlier.
