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Connecticut license records

Licensed contractors in Durham, CT

150 active licenses list Durham as their address in Connecticut's state credential data from the Department of Consumer Protection (home improvement, new home construction, major and trade contractors), file dated November 11, 2026.

Before you hire anyone on this list

  • Confirm the license on the official site. Our copy is a snapshot; the state's record is live and shows complaints.
  • Make sure the name on your contract matches the name on the license.
  • Check the license type covers your job. A roofing license doesn't cover electrical work.

How to check a contractor in Connecticut, step by step

Home Improvement Contractor 57

Electrical Unlimited Contractor 28

Plumbing & Piping Unlimited Contractor 17

Heating, Piping & Cooling Unlimited Contractor 13

Heating, Piping & Cooling Limited Contractor 9

Plumbing & Piping Limited Contractor 7

New Home Construction Contractor 6

Sheet Metal Limited Contractor 5

Other license types 8

  • Antonio Buontempo Electrical Limited Contractor · #ELC.0200616-L5 · expires September 30, 2027
  • East Coast Wall Systems LLC Major Contractor · #MCO.0902801 · expires June 30, 2027
  • Fuel and Service Demolition Contractor · #DMCR.003381 · expires November 29, 2026
  • James H Gamble Solar Thermal Contractor · #STC.0000219-STC1 · expires August 31, 2027
  • James V Cournoyer Electrical Limited Contractor · #ELC.0194416-T1 · expires September 30, 2027
  • Jeffrey J Parmelee Fire Protection Unlimited Contractor · #FRP.0010941-F1 · expires October 31, 2027
  • John Cricco Elevator Unlimited Contractor · #ELV.0400093-R1 · expires August 31, 2027
  • Mark T Edwards Electrical Limited Contractor · #ELC.0204347-T1 · expires September 30, 2027

Is your business on this list?

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Other cities in Connecticut

StamfordNorwalkDanburyBridgeportWaterburyMilfordSheltonBristolMeridenStratfordWallingfordTrumbullNew HavenFairfieldHartfordNew MilfordSouthingtonNew BritainHamdenTorringtonWest HartfordNorth HavenManchesterNewington