Connecticut Mechanical Contractor License

The Mechanical Contractor License is intended for any corporation, association, firm, partnership, or other business organization that:

  • Offers to the public the services of its employees in:
    • Plumbing work
    • Piping work
    • Heating, piping, and cooling work
  • Is engaged in the installation, repair, alteration, or replacement of:
    • Sewer lines
    • Storm drainage lines
    • Water lines
    • Water services
  • Does NOT mean any corporation that performs work exclusively on:
    • Single Family residences
    • Multifamily Private residences
    • Dwellings consisting of:
      • Not more than four units
      • Which employs less than ten persons licensed

How to Get the Mechanical Contractor’s License in Connecticut?

  1. Review the requirements and visit the CT Department of Consumer Protection (DCP) website and read the eligibility criteria, prerequisites, and documentation requirements for obtaining a Mechanical Contractor License
  2. Follow the process held in the Mechanical Contractor Registration
  3. Apply online, by visiting the State of Connecticut's eLicense website or complete all spaces in the Application for Registration as Mechanical Contractor printed in ink or type
    • Provide the application with all the following documents when requested:
      • Complete the Criminal Conviction Worksheet if the applicant, any partner, or director of the corporation ever been convicted of a felony crime
      • Complete the list of employees (at least 10) performing such work. Use additional sheets, if necessary, with the following information:
        • Names
        • License types
        • License numbers
  4. Pay the non-refundable application fee by check and/or money order to the "Treasurer, State of Connecticut"
  5. Return your completed application and fee to the DCP License Services Division and wait the official Mechanical Contractor license issuance