Licence required by law

NYC Department of Buildings

NYC Department of Buildings is a public licensing or registration record. We cross-reference it against trader profiles as independent evidence when checking a trader.

18,224tradespeople with a NYC Department of Buildings record in the public data we track

Based on public register and directory records collected up to May 8, 2026. Not an official membership count.

Check a specific trader

Thinking of hiring someone? Ask them for their registration details, then run their name through our Cowboy Checker to see their reviews, credentials and company record in one place.

Where NYC Department of Buildings holders are

  • NY17,352 on record
  • NJ587 on record
  • CT67 on record
  • PA38 on record
  • CA30 on record
  • FL21 on record
  • MA17 on record
  • TX14 on record
  • IL13 on record
  • OH9 on record

Trades that hold it

Builder · 9,709Electrician · 3,647Special Inspection · 1,527Plumber · 1,140Rigging · 658Concrete Testing · 518Fire Suppression · 467Hoist Operator · 413Heating · 103Signage · 41

Common questions

What is NYC Department of Buildings?

NYC Department of Buildings is a public licensing or registration record. We cross-reference it against trader profiles as independent evidence when checking a trader. (Licence required by law.)

How many tradespeople hold NYC Department of Buildings?

We track 18,224 tradespeople with a NYC Department of Buildings record, based on register and listing data collected up to May 8, 2026. This reflects the public records we have collected, not necessarily the scheme's complete membership.

How do I check whether a specific trader holds NYC Department of Buildings?

Look the trader up on MyTrustedTraders — profiles show the credentials we have found for them, alongside reviews and other public evidence — and ask the trader for their registration details.

Keep checking

All certificationsCowboy CheckerCompany Health Check

We show what the public records say, with dates — a listing here is not an endorsement, and absence from our data does not mean a trader is unregistered. Always confirm current status with the scheme before you hire.