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Connecticut license records

Licensed contractors in Stonington, CT

78 active licenses list Stonington 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 31

New Home Construction Contractor 14

Electrical Unlimited Contractor 13

Plumbing & Piping Unlimited Contractor 6

Heating, Piping & Cooling Limited Contractor 5

Other license types 9

  • Ante Ljubicic Heating, Piping & Cooling Unlimited Contractor · #HTG.0303617-S1 · expires August 31, 2027
  • Antonio R Goulart Heating, Piping & Cooling Unlimited Contractor · #HTG.0386276-S1 · expires August 31, 2027
  • Antonio R Goulart Plumbing & Piping Limited Contractor · #PLM.0208252-P3 · expires October 31, 2027
  • Daniel Murphy Heating, Piping & Cooling Unlimited Contractor · #HTG.0415107-S1 · expires August 31, 2027
  • Denali Constructions LLC Major Contractor · #MCO.0904193 · expires June 30, 2027
  • Mark J Densmore Heating, Piping & Cooling Unlimited Contractor · #HTG.0387509-S1 · expires August 31, 2027
  • Mark J Densmore Sheet Metal Limited Contractor · #SHM.0004643-SM3 · expires August 31, 2027
  • Prominent Development LLC Major Contractor · #MCO.0902983 · expires June 30, 2027
  • William L Coyle Fire Protection Unlimited Contractor · #FRP.0010256-F1 · expires October 31, 2027

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