HomeConsumer Protection

How to Verify a Contractor License in New York (NYC DCWP & County Lookups, 2026)

New York has no statewide contractor license — licensing happens at the city and county level, so where you live determines who you check. In NYC, home improvement contractors must hold a DCWP (Department of Consumer and Worker Protection) HIC license — verify via the DCWP license lookup. Long Island and Westchester run county licensing. Electricians and plumbers in NYC are licensed separately by the Department of Buildings (DOB).

Who Licenses What in New York?

Where you liveWho licenses home improvement contractorsWhere to verify
New York City (5 boroughs)DCWP — HIC license required for jobs over $200nyc.gov/dcwp license lookup
Nassau CountyOffice of Consumer AffairsNassau license search
Suffolk CountyConsumer AffairsSuffolk license search
Westchester CountyConsumer ProtectionWestchester license search
Putnam / Rockland / othersCounty consumer affairs (varies)County website
Rest of stateOften no licensing requirement for GCsVet via insurance + references
Trade (NYC)Who licensesNote
ElectricianNYC DOB — Licensed Master ElectricianWork must run under a master’s license
PlumberNYC DOB — Licensed Master PlumberSame master-license structure
HVACDOB trade structure / HIC depending on scopeAsk whose license covers the permit

How Do You Verify in NYC, Step by Step?

  1. Home improvement work (remodels, bathrooms, kitchens, floors): search the contractor’s name in the DCWP license lookup — confirm an active Home Improvement Contractor license and matching business name
  2. Electrical or plumbing: ask for the Licensed Master Electrician / Master Plumber name and number, then verify through the DOB license search; the permit must be filed under that master’s license — “we’ll skip the permit” means their problem becomes your DOB violation
  3. Check DCWP complaint history — DCWP also runs mediation and a trust fund that can compensate consumers harmed by licensed HICs
  4. Walk-up/co-op realities: buildings often require COIs from contractors just like movers — see our NYC moving guide for how COI requirements work

What Protections Does NYC Give You?

What About the Rest of New York State?

Outside the licensed counties, many upstate areas require no GC license at all — your protection becomes contract quality, insurance certificates, references, and payment discipline. The universal 5-minute verification routine still applies; you just substitute insurance verification for the license search. If things go wrong anywhere in the state, the NY Attorney General’s consumer bureau takes home improvement complaints — full sequence in scammed by a contractor (NYC small claims limit: $10,000).

Frequently Asked Questions

Does New York State license general contractors? No — there’s no statewide GC license. NYC requires a DCWP Home Improvement Contractor license; Nassau, Suffolk, Westchester, and some other counties run their own systems; much of upstate has no requirement.

How do I check a contractor’s license in NYC? Search the DCWP license lookup (nyc.gov/dcwp) for an active Home Improvement Contractor license matching the business name. For electrical/plumbing, verify the master license through the DOB search.

Do NYC electricians and plumbers need separate licenses? Yes — Licensed Master Electrician and Licensed Master Plumber credentials through the Department of Buildings, separate from the DCWP HIC system. Permits file under the master’s license.

What happens if I hire an unlicensed contractor in NYC? You lose DCWP trust-fund protection and mediation leverage; the contractor faces fines and possible vehicle seizure, and generally can’t sue you for payment. Permits and co-op board approvals also become problems.

Is a Long Island contractor licensed for NYC work? Not automatically — Nassau/Suffolk licenses don’t transfer to NYC. The contractor needs the DCWP HIC license for the five boroughs. Verify for the jurisdiction where your property sits.


Last updated: June 10, 2026. Sources: NYC DCWP licensing rules and trust fund; NYC DOB trade licensing; Nassau/Suffolk/Westchester consumer affairs; NY General Business Law Art. 36-A. This article is consumer information, not legal advice.