All states Connecticut

Connecticut license records

Licensed contractors in Killingworth, CT

116 active licenses list Killingworth 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 65

Electrical Unlimited Contractor 12

New Home Construction Contractor 9

Plumbing & Piping Unlimited Contractor 9

Heating, Piping & Cooling Unlimited Contractor 7

Heating, Piping & Cooling Limited Contractor 5

Other license types 9

  • Brian Ahearn Demolition Contractor · #DMCR.001465 · expires March 31, 2027
  • David G Roman Electrical Limited Contractor · #ELC.0180152-L5 · expires September 30, 2027
  • Edward P O'connell INC Demolition Contractor · #DMCR.001493 · expires September 30, 2027
  • Fence World INC Major Contractor · #MCO.0903981 · expires June 30, 2027
  • Josh A Mennone Flat Glass Unlimited Contractor · #GLZ.0002739-FG1 · expires August 31, 2027
  • Kevin P Hunter Swimming Pool Builder - In Ground · #SPB.0000039 · expires April 30, 2027
  • Troy L Earley Electrical Limited Contractor · #ELC.0186284-L5 · expires September 30, 2027
  • Vincenzo D'antonio Plumbing & Piping Limited Contractor · #PLM.0287082-P7 · expires October 31, 2027
  • William J Mazziotti Sheet Metal Limited Contractor · #SHM.0005104-SM1 · expires August 31, 2027

Is your business on this list?

Open your license page and choose "Claim this page" to add your phone number and website. They show on your page and next to your name here, so people checking you out can call.

Other cities in Connecticut

StamfordNorwalkDanburyBridgeportWaterburyMilfordSheltonBristolMeridenStratfordWallingfordTrumbullNew HavenFairfieldHartfordNew MilfordSouthingtonNew BritainHamdenTorringtonWest HartfordNorth HavenManchesterNewington