Connecticut Contractor License Lookup

Connecticut has no general contractor competency license. Home improvement contractors and new home builders must register with the Department of Consumer Protection; trades are licensed. Search contractors on the official site of the Connecticut Department of Consumer Protection (home improvement and new home construction registration; trade licenses), and see the rules for trades and the job price where each applies. Runs in your browser; nothing is stored.

Search Connecticut Department of Consumer Protection (home improvement and new home construction registration; trade licenses)

Connecticut rules checked against official sources on October 25, 2026.

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Labor and materials together, in dollars. Leave it blank to see the state's dollar limits.

Connecticut: Remodel, repair or home improvement

  • This state rule applies to jobs over $200. Credential: home improvement contractor registration.

    Home improvement work on a private residence or residential rental property, including roofs, siding and remodeling, requires a DCP home improvement contractor registration when the job price is over $200. Source: Conn. Gen. Stat. 20-419(4)(B), 20-419(5)(A), 20-420(a), 20-428

    Conditions and exceptions for this rule:

    • A person whose home improvement contracts total $1,000 or less over any 12 months is not treated as a contractor.
    • Building a new home is not home improvement; it needs a new home construction contractor registration instead.
    • Licensed trade workers (electricians, plumbers, HVAC) doing only their licensed work are exempt.

Look up a contractor on the official site

Search Connecticut Department of Consumer Protection (home improvement and new home construction registration; trade licenses)

What to check on the board's record

  • The name or business on the record matches the name on your contract or estimate.
  • The status is active, not expired, suspended or revoked.
  • The license type or class covers your kind of job.
  • The license number in the contractor's ads and contract is the same one.

This summarises state rules from official sources. Only the board's own record can confirm one contractor's license. Checked October 25, 2026.

How Connecticut licenses contractors

Connecticut has no general contractor competency license. Home improvement contractors and new home builders must register with the Department of Consumer Protection; trades are licensed. Conn. Gen. Stat. 20-420(a); 20-417b(a)

Offering or doing home improvement work without a current registration is a class B misdemeanor, and a violation of the Home Improvement Act is also treated as an unfair trade practice. Conn. Gen. Stat. 20-427(b)(5), (c)(1)

Rules by type of work

Home improvement and roofing

  • home improvement contractor registration (residential): Home improvement work on a private residence or residential rental property, including roofs, siding and remodeling, requires a DCP home improvement contractor registration when the job price is over $200. Issued by Connecticut Department of Consumer Protection (home improvement and new home construction registration; trade licenses). Conn. Gen. Stat. 20-419(4)(B), 20-419(5)(A), 20-420(a), 20-428
    • A person whose home improvement contracts total $1,000 or less over any 12 months is not treated as a contractor.
    • Building a new home is not home improvement; it needs a new home construction contractor registration instead.
    • Licensed trade workers (electricians, plumbers, HVAC) doing only their licensed work are exempt.

Building a new home

  • new home construction contractor registration (residential): Anyone in the business of building or selling new single-family homes, two-unit homes or condominium units must hold a new home construction contractor registration from the Department of Consumer Protection. Issued by Connecticut Department of Consumer Protection (home improvement and new home construction registration; trade licenses). Conn. Gen. Stat. 20-417b(a)

Electrical work, plumbing and HVAC

  • occupational trade license: Electrical, plumbing and piping, and heating, piping, cooling and sheet metal work require a state occupational license (or a registration card) before anyone performs or offers the work. Issued by Connecticut Department of Consumer Protection (home improvement and new home construction registration; trade licenses). Conn. Gen. Stat. 20-330, 20-334(a)

Where to look up contractors in Connecticut

  • Connecticut Department of Consumer Protection (home improvement and new home construction registration; trade licenses): official license search

On the record, check that the name matches your contract, the status is active (not expired, suspended or revoked), the license type covers your job, and the license number matches the one the contractor gave you.

What this tool does not do

  • It does not check any one contractor. Only the board's own record shows whether a license is active and what it covers.
  • It covers state rules. Cities and counties can add their own licenses and permits, and the tool cannot list every local rule.
  • It does not decide whether a contractor broke the law or what you can recover. For a dispute, contact the board or a lawyer.
  • It does not cover every specialty trade a state licenses (for example pest control, elevators or well drilling).

Frequently Asked Questions

How do I look up a contractor license in Connecticut?

Use the official online license search from the Connecticut Department of Consumer Protection (home improvement and new home construction registration; trade licenses). Search by the contractor's name, business name or license number, and check that the status is active and the license type covers your job.

Do you need a contractor license for a small job in Connecticut?

Home improvement work on a private residence or residential rental property, including roofs, siding and remodeling, requires a DCP home improvement contractor registration when the job price is over $200. For jobs of $200 or less, this state rule generally does not apply, but the conditions and exceptions listed on this page can change that, and a city or county can require its own license.

Which trades need a state license in Connecticut?

Electrical: occupational trade license from the Connecticut Department of Consumer Protection (home improvement and new home construction registration; trade licenses). Plumbing: occupational trade license from the Connecticut Department of Consumer Protection (home improvement and new home construction registration; trade licenses). HVAC: occupational trade license from the Connecticut Department of Consumer Protection (home improvement and new home construction registration; trade licenses).

What happens if a Connecticut contractor works without a required license?

Offering or doing home improvement work without a current registration is a class B misdemeanor, and a violation of the Home Improvement Act is also treated as an unfair trade practice.

Sources

Checked against official Connecticut sources on October 25, 2026.

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