Connecticut Construction Licensing
Licenses are typically required for individuals and businesses that provide construction industry services. This guide contains information about construction industry licensing in Connecticut.
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- Connecticut Construction and Contracting Company Licenses
- Connecticut Individual Construction and Contracting Licenses
Company Licenses
Connecticut Construction and Contracting Company Licenses
Connecticut Hearth Product Work/Fuel Gas Work Contractor License
| Agency: | Connecticut Department of Consumer Protection - Occupational and Professional Licensing Division |
Initial Registration
| Form: | |
| Filing Method: | |
| Agency Fee: | $150 |
Registration Renewal
| Form: | |
| Filing Method: | Mail or online. |
| Agency Fee: | $150 |
| Due: | Annually by August 31. |
Connecticut Heating and Cooling Contractor License
| Agency: | Connecticut Department of Consumer Protection - Occupational and Professional Licensing Division |
Initial Registration
| Form: | |
| Filing Method: | |
| Agency Fee: | $150 |
Registration Renewal
| Form: | Hearth Product Work/Fuel Gas Work Contractor application (Renewal) |
| Filing Method: | Mail or online. |
| Agency Fee: | $150 |
| Due: | Annually by August 31. |
Connecticut Home Improvement Contractor License
| Agency: | Connecticut Department of Consumer Protection |
Initial Registration
| Form: | |
| Filing Method: | File by mail or online. |
| Agency Fee: | $220 |
Registration Renewal
| Filing Method: | |
| Agency Fee: | $220 |
| Due: | Annually by November 30. |
Connecticut Lead Consultant Contractor License
| Agency: | Connecticut State Department of Public Health - Environmental Practitioner Licensure Program |
Initial Registration
| Filing Method: | |
| Agency Fee: | $625 |
Registration Renewal
| Agency Fee: | $625 |
| Due: | Annually |
| Notes: | Renewal forms are sent in the mail prior to renewal. |
Connecticut Major Contractor Registration
Initial Registration
| Form: | |
| Filing Method: | |
| Agency Fee: | $500 |
| Original Ink: | Required |
| Notarization Required?: | Required |
| How to Apply: | Domestic Applicants:
Foreign Applicants:
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| Required Attachments: |
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Registration Renewal
| Filing Method: | |
| Agency Fee: | $500 |
| Due: | Annually by June 30. |
Connecticut Mechanical Contractor Registration
| Agency: | Connecticut Department of Consumer Protection - Occupational and Professional Licensing Division |
Initial Registration
| Form: | |
| Filing Method: | |
| Agency Fee: | Application fee -110 |
Registration Renewal
| Form: | |
| Filing Method: | Mail or online. |
| Agency Fee: | $110 - All registrations expire annually on August 31st . |
Connecticut New Home Construction Contractor License
Initial Registration
| Form: | New Home Construction Contractor Application for Legal Entity |
| Agency Fee: | $720 for applicants that do not have an active Home Improvement Contractor Registration and $480 for those who do. |
Registration Renewal
| Filing Method: | |
| Agency Fee: | $720 |
| Due: | By September 30 of odd-numbered years. |
Connecticut Plumbing/Pipefitting Contractor License
| Agency: | Connecticut Department of Consumer Protection - Occupational and Professional Licensing Division |
Initial Registration
| Form: | |
| Filing Method: | |
| Agency Fee: | $150 |
Registration Renewal
| Form: | |
| Filing Method: | Mail or online. |
| Agency Fee: | All plumbing and pipefitting licenses expire annually on October 31st. Renewal Fee: Contractor $150.00 |
Connecticut Sheet Metal Contractor License
| Agency: | Connecticut Department of Consumer Protection - Occupational and Professional Licensing Division |
Initial Registration
| Form: | |
| Filing Method: | |
| Agency Fee: | $150 |
Registration Renewal
| Form: | |
| Filing Method: | Mail or online. |
| Agency Fee: | $150 |
| Due: | Annually by August 31. |
Individual Licenses
Connecticut Individual Construction and Contracting Licenses
Connecticut Asbestos Inspector License
| Agency: | Connecticut State Department of Public Health |
Initial Registration
| Form: | |
| Agency Fee: | $250 |
| Notarization Required?: | Required |
| Notes: | A Verification of Experience must also be completed by the applicant's employer(s). https://portal.ct.gov/DPH/Environmental-Practitioner-Licensure-Program/Environmental-Practitioner-Licensure-Unit/Environmental-Practitioner-Licensure |
Registration Renewal
| Form: | |
| Agency Fee: | $250 |
| Due: | By the end of the first birth month immediately following the issuance of licensure and annually thereafter. |
| Notarization Required?: | Required |
Connecticut Asbestos Inspector/Management Planner License
| Agency: | Connecticut State Department of Public Health |
Initial Registration
| Form: | |
| Agency Fee: | $250 |
| Notarization Required?: | Required |
| Notes: | A Verification of Experience must also be completed by the applicant's employer(s). https://portal.ct.gov/DPH/Environmental-Practitioner-Licensure-Program/Environmental-Practitioner-Licensure-Unit/Environmental-Practitioner-Licensure |
Registration Renewal
| Form: | |
| Agency Fee: | $250 |
| Due: | By the end of the first birth month immediately following the issuance of licensure and annually thereafter. |
| Notarization Required?: | Required |
Connecticut Asbestos Project Designer License
| Agency: | Connecticut State Department of Public Health |
Initial Registration
| Form: | |
| Agency Fee: | $250 |
| Notarization Required?: | Required |
| Notes: | A Verification of Experience must also be completed by the applicant's employer(s). https://portal.ct.gov/DPH/Environmental-Practitioner-Licensure-Program/Environmental-Practitioner-Licensure-Unit/Environmental-Practitioner-Licensure |
Registration Renewal
| Form: | |
| Agency Fee: | $250 |
| Due: | By the end of the first birth month immediately following the issuance of licensure and annually thereafter. |
| Notarization Required?: | Required |
Connecticut Asbestos Project Monitor License
| Agency: | Connecticut State Department of Public Health |
Initial Registration
| Form: | |
| Agency Fee: | $250 |
| Notarization Required?: | Required |
| Notes: | A Verification of Experience must also be completed by the applicant's employer(s). https://portal.ct.gov/DPH/Environmental-Practitioner-Licensure-Program/Environmental-Practitioner-Licensure-Unit/Environmental-Practitioner-Licensure |
Registration Renewal
| Form: | |
| Agency Fee: | $250 |
| Due: | By the end of the first birth month immediately following the issuance of licensure and annually thereafter. |
| Notarization Required?: | Required |
Connecticut Asbestos Supervisor Certification
| Agency: | Connecticut State Department of Public Health |
Initial Registration
| Form: | |
| Agency Fee: | $100 |
| Notarization Required?: | Required |
| Notes: | Also required with application: A legible copy of your: a. initial training certificate - 32 hours of initial training is required for a worker and 40 hours of initial training is require for a supervisor, b. current 8 hour refresher training certificate from a Connecticut or US EPA approved training provider, if applicable, c. other states' asbestos abatement license(s) you hold |
Registration Renewal
| Form: | |
| Agency Fee: | $100 |
| Due: | By the end of the first birth month immediately following the issuance of licensure and annually thereafter. |
| Notarization Required?: | Required |
Connecticut Asbestos Worker Certification
| Agency: | Connecticut State Department of Public Health |
Initial Registration
| Form: | |
| Agency Fee: | $50 |
| Notarization Required?: | Required |
| Notes: | Also required with application: A legible copy of your: a. initial training certificate - 32 hours of initial training is required for a worker and 40 hours of initial training is require for a supervisor, b. current 8 hour refresher training certificate from a Connecticut or US EPA approved training provider, if applicable, c. other states' asbestos abatement license(s) you hold |
Registration Renewal
| Form: | |
| Agency Fee: | $50 |
| Due: | By the end of the first birth month immediately following the issuance of licensure and annually thereafter. |
| Notarization Required?: | Required |
Connecticut Crane and Conveyor Journeyperson License
| Agency: | Connecticut Department of Consumer Protection |
Initial Registration
| Form: | Crane and Conveyor Candidate Information Bulletin & Application |
| Agency Fee: | $90 |
| Notes: | The requirements to qualify for the journeyperson license examination shall be completion of a registered apprenticeship program or equivalent experience and training. |
Registration Renewal
| Form: | |
| Agency Fee: | $120 |
| Due: | Annually by August 31. |
Connecticut Electrical Lines Contractor License (L-1)
| Agency: | Connecticut State Department of Consumer Protection - Electrician Program |
| Exam Required? | Yes |
Initial Registration
| Form: | |
| Filing Method: | Mail or online. |
| Agency Fee: | $150 |
Registration Renewal
| Filing Method: | |
| Agency Fee: | $150 |
| Due: | Annually by September 30. |
Connecticut Electrical Lines Journeyperson License (L-2)
| Agency: | Connecticut State Department of Consumer Protection - Electrician Program |
| Exam Required? | Yes |
Initial Registration
| Form: | |
| Filing Method: | Mail or online. |
| Agency Fee: | $90 |
Registration Renewal
| Filing Method: | |
| Agency Fee: | $120 |
| Due: | Annually by September 30. |
Connecticut Elevator Apprentice Trainee Registration
| Agency: | Connecticut Department of Consumer Protection |
Initial Registration
| Form: | |
| Agency Fee: | $0 |
| Notes: | Required Documentation:Attach applicant training program outline including content and hours for both related instruction and on the job training which shall be followed.Attach list of all licensed persons and license numbers and type(s) that are available to supervise and train such applicant. |
Registration Renewal
| Form: | |
| Agency Fee: | $0 |
| Due: | One year from the start of the training program. |
Connecticut Fire Protection Journeyperson License
| Agency: | Connecticut State Department of Consumer Protection - Fire Protection Licenses and Scope of Work |
Initial Registration
| Form: | Fire Protection Journeyperson Candidate Information Bulletin & Application |
| Agency Fee: | $90 |
| Notes: | Connecticut has a three tier process to apply for licensing: 1) Apprenticeship program completion or proof of equivalent experience and training* 2) Licensed journeyperson for two years 3) Contractor license. The $120.00 initial license fee will be due after the successful completion of the examination. |
Registration Renewal
| Filing Method: | |
| Agency Fee: | $120 |
| Due: | Annually by October 31. |
| Notes: | If you wish to renew via mail, you must email your request to dcp.licenseservices@ct.gov |
Connecticut Fire Sprinkler System Layout Technician License
| Agency: | Connecticut State Department of Consumer Protection - Fire Protection Licenses and Scope of Work |
Initial Registration
| Form: | |
| Agency Fee: | $75 application fee + $150 license fee |
| Notes: | There is no state exam required to obtain this license. |
Registration Renewal
| Form: | |
| Agency Fee: | $150 |
| Due: | Annually by January 31. |
Connecticut Heating and Cooling Journeyperson License
| Agency: | Connecticut Department of Consumer Protection - Occupational and Professional Licensing Division |
Initial Registration
| Form: | Heating and Cooling Journeyperson Candidate Information Bulletin & Application |
| Agency Fee: | $90 |
Registration Renewal
| Form: | |
| Agency Fee: | $120 |
| Due: | Annually by August 31. |
Connecticut Home Improvement Salesperson Registration
| Agency: | Connecticut Department of Consumer Protection |
Initial Registration
| Form: | Home Improvement Salesperson Mail-in Registration Application |
| Agency Fee: | $160 |
| Notes: | Signature of Home Improvement Contractor is also required. |
Registration Renewal
| Form: | |
| Agency Fee: | $160 |
| Due: | Annually by November 30. |
Connecticut Lead Abatement Supervisor Certification
| Agency: | Connecticut State Department of Public Health - Environmental Practitioner Licensure Program |
Initial Registration
| Form: | |
| Agency Fee: | $50 |
| Notarization Required?: | Required |
Registration Renewal
| Form: | |
| Agency Fee: | $50 |
| Due: | By the end of the first birth month immediately following the issuance of licensure and annually thereafter. |
Connecticut Lead Abatement Worker Certification
| Agency: | Connecticut State Department of Public Health - Environmental Practitioner Licensure Program |
Initial Registration
| Form: | |
| Agency Fee: | $50 |
| Notarization Required?: | Required |
Registration Renewal
| Form: | |
| Agency Fee: | $50 |
| Due: | By the end of the first birth month immediately following the issuance of licensure and annually thereafter. |
Connecticut Lead Inspector Certification
| Agency: | Connecticut State Department of Public Health - Environmental Practitioner Licensure Program |
Initial Registration
| Form: | |
| Agency Fee: | $50 |
| Notarization Required?: | Required |
| Notes: | Anyone holding this certification must be employed by a Lead Consultant Contractor who holds a valid license from the Connecticut Department of Public Health. Must also submit a Verification of Experience Form-Lead with application. (found on same page as application) |
Registration Renewal
| Form: | |
| Agency Fee: | $50 |
| Due: | By the end of the first birth month immediately following the issuance of licensure and annually thereafter. |
Connecticut Lead Inspector/Risk Assessor Certification
| Agency: | Connecticut State Department of Public Health - Environmental Practitioner Licensure Program |
Initial Registration
| Form: | |
| Agency Fee: | $50 for each certification |
| Notarization Required?: | Required |
| Notes: | (If applying for more than one discipline, please submit a separate application with fee for each) |
Registration Renewal
| Form: | |
| Agency Fee: | $50 for each certification |
| Due: | By the end of the first birth month immediately following the issuance of licensure and annually thereafter. |
Connecticut Lead Planner-Project Designer Certification
| Agency: | Connecticut State Department of Public Health - Environmental Practitioner Licensure Program |
Initial Registration
| Form: | |
| Agency Fee: | $50 |
| Notarization Required?: | Required |
Registration Renewal
| Form: | |
| Agency Fee: | $50 |
| Due: | By the end of the first birth month immediately following the issuance of licensure and annually thereafter. |
Connecticut Limited Electrical Contractor License (C-5)
| Agency: | Connecticut State Department of Consumer Protection - Electrician Program |
| Exam Required? | Yes |
Initial Registration
| Form: | |
| Filing Method: | Mail or online. |
| Agency Fee: | $150 |
Registration Renewal
| Filing Method: | |
| Agency Fee: | $150 |
| Due: | Annually by September 30. |
Connecticut Limited Electrical Contractor License (L-5)
| Agency: | Connecticut State Department of Consumer Protection - Electrician Program |
| Exam Required? | Yes |
Initial Registration
| Form: | |
| Filing Method: | Mail or online. |
| Agency Fee: | $150 |
Registration Renewal
| Filing Method: | |
| Agency Fee: | $150 |
| Due: | Annually by September 30. |
Connecticut Limited Electrical Contractor License (T-1)
| Agency: | Connecticut State Department of Consumer Protection - Electrician Program |
| Exam Required? | Yes |
Initial Registration
| Form: | |
| Filing Method: | Mail or online. |
| Agency Fee: | $150 |
Registration Renewal
| Filing Method: | |
| Agency Fee: | $150 |
| Due: | Annually by September 30. |
Connecticut Limited Electrical Journeyperson License (C-6)
| Agency: | Connecticut State Department of Consumer Protection - Electrician Program |
| Exam Required? | Yes |
Initial Registration
| Form: | |
| Filing Method: | Mail or online. |
| Agency Fee: | $90 |
Registration Renewal
| Filing Method: | |
| Agency Fee: | $120 |
| Due: | Annually by September 30. |
Connecticut Limited Electrical Journeyperson License (L-6)
| Agency: | Connecticut State Department of Consumer Protection - Electrician Program |
| Exam Required? | Yes |
Initial Registration
| Form: | |
| Filing Method: | Mail or online. |
| Agency Fee: | $90 |
Registration Renewal
| Filing Method: | |
| Agency Fee: | $120 |
| Due: | Annually by September 30. |
Connecticut Limited Electrical Journeyperson License (T-2)
| Agency: | Connecticut State Department of Consumer Protection - Electrician Program |
| Exam Required? | Yes |
Initial Registration
| Form: | |
| Filing Method: | Mail or online. |
| Agency Fee: | $90 |
Registration Renewal
| Filing Method: | |
| Agency Fee: | $120 |
| Due: | Annually by September 30. |
Connecticut Limited Electrical Sign Contractor License (C-7)
| Agency: | Connecticut State Department of Consumer Protection - Electrician Program |
| Exam Required? | Yes |
Initial Registration
| Form: | |
| Filing Method: | Mail or online. |
| Agency Fee: | $150 |
Registration Renewal
| Filing Method: | |
| Agency Fee: | $150 |
| Due: | Annually by September 30. |
Connecticut Limited Electrical Sign Journeyperson License (C-8)
| Agency: | Connecticut State Department of Consumer Protection - Electrician Program |
| Exam Required? | Yes |
Initial Registration
| Form: | |
| Filing Method: | Mail or online. |
| Agency Fee: | $90 |
Registration Renewal
| Filing Method: | |
| Agency Fee: | $120 |
| Due: | Annually by September 30. |
Connecticut Limited Solar Electric Contractor License (PV-1)
| Agency: | Connecticut State Department of Consumer Protection - Electrician Program |
| Exam Required? | Yes |
Initial Registration
| Form: | |
| Filing Method: | Mail or online. |
| Agency Fee: | $150 |
Registration Renewal
| Filing Method: | |
| Agency Fee: | $150 |
| Due: | Annually by September 30. |
Connecticut Limited Solar Electric Journeyperson License (PV-2)
| Agency: | Connecticut State Department of Consumer Protection - Electrician Program |
| Exam Required? | Yes |
Initial Registration
| Form: | |
| Filing Method: | Mail or online. |
| Agency Fee: | $90 |
Registration Renewal
| Filing Method: | |
| Agency Fee: | $120 |
| Due: | Annually by September 30. |
Connecticut Plumbing/Pipefitting Journeyperson License
| Agency: | Connecticut Department of Consumer Protection - Occupational and Professional Licensing Division |
Initial Registration
| Form: | Plumbing / Pipefitting Journeyperson Candidate Information Bulletin |
| Agency Fee: | $90 |
| Notes: | Once this application is reviewed and approved, you will receive an Examination Eligibility Postcard from PSI with instructions to register and schedule the examination. Please note that an examination fee will be due at the time you schedule the examination with PSI. |
Registration Renewal
| Form: | |
| Agency Fee: | $120 |
| Due: | Annually by October 31. |
Connecticut Residential Stair Lift Technician License
| Agency: | Connecticut Department of Consumer Protection |
Initial Registration
| Form: | |
| Agency Fee: | $150 |
| Notes: | An employer letter of on the job training and school related instruction as an apprentice trainee must be attached to the application. There is no examination for this license type. |
Registration Renewal
| Agency Fee: | $75 |
| Due: | Annually by August 31. |
| Notes: | A Renewal Form will be sent to address on file. |
Connecticut Sheet Metal Journeyperson License
| Agency: | Connecticut Department of Consumer Protection - Occupational and Professional Licensing Division |
Initial Registration
| Form: | |
| Agency Fee: | $90 |
| Notes: | Once this application is reviewed and approved, an Examination Eligibility Postcard will be sent from PSI with instructions to register and schedule the examination |
Registration Renewal
| Form: | |
| Agency Fee: | $120 |
| Due: | Annually by August 31. |
Connecticut Unlimited Electrical Contractor License (E-1)
| Agency: | Connecticut State Department of Consumer Protection - Electrician Program |
| Exam Required? | Yes |
Initial Registration
| Form: | |
| Filing Method: | Mail or online. |
| Agency Fee: | $150 |
Registration Renewal
| Filing Method: | |
| Agency Fee: | $150 |
| Due: | Annually by September 30. |
Connecticut Unlimited Electrical Journeyperson License (E-2)
| Agency: | Connecticut State Department of Consumer Protection - Electrician Program |
| Exam Required? | Yes |
Initial Registration
| Form: | |
| Filing Method: | Mail or online. |
| Agency Fee: | $90 |
Registration Renewal
| Filing Method: | |
| Agency Fee: | $120 |
| Due: | Annually by September 30. |
Explore Licensing in Other States
Associated General Contractors of America
Professional association providing advocacy and organization for construction firms and workers.
National Association of Home Builders
National association for the promotion of the housing industry.
National Association of State Contractors Licensing Agencies
National organization that represents and promotes the interests of state level contractor licensing agencies.
