Construction Licensing Compliance Guide
An excavator truck digging on a work site

Connecticut Construction Licensing

A group of construction workers on site

Licenses are typically required for individuals and businesses that provide construction industry services. This guide contains information about construction industry licensing in Connecticut.

Filter LicensesClear Filters
Company Licenses
(1)
(1)
(1)
(1)
(2)
(1)
(2)
(4)
(2)
(1)
Individual Licenses
(6)
(1)
(1)
(4)
(5)
(5)
(2)
(1)

Company Licenses

Connecticut Construction and Contracting Company Licenses

Connecticut Asbestos Contractor License

More Information:

https://portal.ct.gov/DPH/Environmental-Practitioner-Licensure-Program/Envir

Agency:Connecticut State Department of Public Health

Initial Registration

Form:

Asbestos Contractor Application

Filing Method:

Mail

Agency Fee:

$625

Registration Renewal

Filing Method:

Mail

Agency Fee:

$500

Due:

Annually

Notes:

Renewal applications are sent in the mail.

Connecticut Crane and Conveyor Contractor License

More Information:

http://www.portal.ct.gov/DCP/License-Services-Division/All-License-Applications/Elevator-Work-License

Initial Registration

Form:

Crane and Conveyor Candidate Application

Agency Fee:

$150

Registration Renewal

Filing Method:

Online

Agency Fee:

$150

Due:

Annually by August 31.

Connecticut Electrical Contractor License

More Information:

http://www.portal.ct.gov/DCP/License-Services-Division/All-License-Applications/Electrical-License

Agency:Connecticut State Department of Consumer Protection - Electrician Program

Initial Registration

Form:

Occupational Trade License Application

Filing Method:

Mail

Agency Fee:

$150

Registration Renewal

Form:

Occupational Trade License Application (Renewal)

Filing Method:

Mail or online.

Agency Fee:

$150

Due:

Annually by September 30.

Connecticut Elevator Contractor License

More Information:

http://www.portal.ct.gov/DCP/License-Services-Division/All-License-Applications/Elevator-Work-License

Initial Registration

Form:

Elevator Contractor Candidate Application

Agency Fee:

$150

Registration Renewal

Filing Method:

Online

Agency Fee:

$150

Due:

Annually by August 31.

Connecticut Fire Protection Contractor License

More Information:

http://www.portal.ct.gov/DCP/License-Services-Division/All-License-Applications/Fire-Protection-Licenses

Initial Registration

Form:

Fire Protection Contractor Candidate Application

Agency Fee:

$150

Registration Renewal

Filing Method:

Online

Agency Fee:

$150

Due:

Annually by October 31.

Connecticut Flat Glass Contractor License

More Information:

http://www.portal.ct.gov/DCP/License-Services-Division/All-License-Applications/Licensing

Initial Registration

Form:

Flat Glass Contractor Application

Agency Fee:

$150

Registration Renewal

Filing Method:

Online

Agency Fee:

$150

Due:

Annually by August 31.

Connecticut Hearth Product Work/Fuel Gas Work Contractor License

More Information:

http://www.portal.ct.gov/DCP/License-Services-Division/All-License-Applications/Heating-Cooling-and-Sheet-Met

Agency:Connecticut Department of Consumer Protection - Occupational and Professional Licensing Division

Initial Registration

Form:

Occupational Trade License Application

Filing Method:

Mail

Agency Fee:

$150

Registration Renewal

Form:

Occupational Trade License Application (Renewal)

Filing Method:

Mail or online.

Agency Fee:

$150

Due:

Annually by August 31.

Connecticut Heating and Cooling Contractor License

More Information:

http://www.portal.ct.gov/DCP/License-Services-Division/All-License-Applications/Heating-Cooling-and-Sheet-Met

Agency:Connecticut Department of Consumer Protection - Occupational and Professional Licensing Division

Initial Registration

Form:

Hearth Product Work/Fuel Gas Work Contractor application

Filing Method:

Mail

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

Initial Registration

Form:

Home Improvement Contractor Application for Legal Entity

Filing Method:

File by mail or online.

Agency Fee:

$220

Registration Renewal

Filing Method:

Online

Agency Fee:

$220

Due:

Annually by November 30.

Connecticut Lead Abatement Contractor License

More Information:

https://portal.ct.gov/DPH/Environmental-Practitioner-Licensure-Program/Envir

Agency:Connecticut State Department of Public Health - Environmental Practitioner Licensure Program

Initial Registration

Filing Method:

Online

Agency Fee:

$625

Registration Renewal

Agency Fee:

$625

Due:

Annually

Notes:

Renewal forms are sent in the mail prior to renewal.

Connecticut Lead Consultant Contractor License

More Information:

https://portal.ct.gov/DPH/Environmental-Practitioner-Licensure-Program/Envir

Agency:Connecticut State Department of Public Health - Environmental Practitioner Licensure Program

Initial Registration

Filing Method:

Online

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

More Information:

http://www.portal.ct.gov/DCP/License-Services-Division/All-License-Applications/Major-Contractor-Registr

Agency:Connecticut Department of Consumer Protection - Occupational and Professional Licensing Division
Foreign Qualification is Prerequisite:Yes
Financial Requirements:

One credit reference from a supplier or subcontractor and one credit reference from a financial institution must be submitted.

Insurance Requirements:

A certificate of insurance for general liability insurance is required. Workers' compensation insurance is not explicitly required for this registration but may be needed when applying for building permits.

Bond Requirements:

There is no bond requirement for this registration.

Initial Registration

Form:

Major Contractor Registration Application

Agency Fee:

$500

Registration Renewal

Filing Method:

Online

Agency Fee:

$500

Due:

Annually by June 30.

Connecticut Mechanical Contractor Registration

More Information:

http://www.portal.ct.gov/DCP/Occupational-and-Professional-Division/Occupational--Profess/Mechanical-Con

Agency:Connecticut Department of Consumer Protection - Occupational and Professional Licensing Division

Initial Registration

Form:

Mechanical Contractor Registration Application

Filing Method:

Mail

Agency Fee:

Application fee -110

Registration Renewal

Form:

Mechanical Contractor Registration Application Renewal

Filing Method:

Mail or online.

Agency Fee:

$110 - All registrations expire annually on August 31st .

Connecticut New Home Construction Contractor License

More Information:

http://www.portal.ct.gov/DCP/License-Services-Division/All-License-Applications/New-Home-Constructio

Agency:Connecticut Department of Consumer Protection - Occupational and Professional Licensing Division
Foreign Qualification is Prerequisite:Yes
Insurance Requirements:

Although not explicitly required for this license, workers' compensation insurance is typically required when applying for a building permit.

Bond Requirements:

Bonding is not required in Connecticut for residential work.

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:

Online

Agency Fee:

$720

Due:

By September 30 of odd-numbered years.

Connecticut Plumbing/Pipefitting Contractor License

More Information:

http://www.portal.ct.gov/DCP/License-Services-Division/All-License-Applications/Plumbing-and-Pipefitting-Licens

Agency:Connecticut Department of Consumer Protection - Occupational and Professional Licensing Division

Initial Registration

Form:

Occupational Trade License Application

Filing Method:

Mail

Agency Fee:

$150

Registration Renewal

Form:

Occupational Trade License Application (Renewal)

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

More Information:

http://www.portal.ct.gov/DCP/License-Services-Division/All-License-Applications/Heating-Cooling-and-Sheet-Met

Agency:Connecticut Department of Consumer Protection - Occupational and Professional Licensing Division

Initial Registration

Form:

Occupational Trade License Application

Filing Method:

Mail

Agency Fee:

$150

Registration Renewal

Form:

Occupational Trade License Application (Renewal)

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

More Information:

https://portal.ct.gov/DPH/Environmental-Practitioner-Licensure-Program/Envir

Agency:Connecticut State Department of Public Health

Initial Registration

Form:

Asbestos Inspector License

Agency Fee:

$250

Notarize: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:

Asbestos Inspector License

Agency Fee:

$250

Due:

By the end of the first birth month immediately following the issuance of licensure and annually thereafter.

Notarize:Required

Connecticut Asbestos Inspector/Management Planner License

More Information:

https://portal.ct.gov/DPH/Environmental-Practitioner-Licensure-Program/Envir

Agency:Connecticut State Department of Public Health

Initial Registration

Form:

Asbestos Inspector/Management Planner License

Agency Fee:

$250

Notarize: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:

Asbestos Inspector/Management Planner License

Agency Fee:

$250

Due:

By the end of the first birth month immediately following the issuance of licensure and annually thereafter.

Notarize:Required

Connecticut Asbestos Project Designer License

More Information:

https://portal.ct.gov/DPH/Environmental-Practitioner-Licensure-Program/Envir

Agency:Connecticut State Department of Public Health

Initial Registration

Form:

Asbestos Project Designer License

Agency Fee:

$250

Notarize: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:

Asbestos Project Designer License

Agency Fee:

$250

Due:

By the end of the first birth month immediately following the issuance of licensure and annually thereafter.

Notarize:Required

Connecticut Asbestos Project Monitor License

More Information:

https://portal.ct.gov/DPH/Environmental-Practitioner-Licensure-Program/Envir

Agency:Connecticut State Department of Public Health

Initial Registration

Form:

Asbestos Project Monitor License

Agency Fee:

$250

Notarize: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:

Asbestos Project Monitor License

Agency Fee:

$250

Due:

By the end of the first birth month immediately following the issuance of licensure and annually thereafter.

Notarize:Required

Connecticut Asbestos Supervisor Certification

More Information:

https://portal.ct.gov/DPH/Environmental-Practitioner-Licensure-Program/Envir

Agency:Connecticut State Department of Public Health

Initial Registration

Form:

Asbestos Supervisor Certification

Agency Fee:

$100

Notarize: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:

Asbestos Supervisor Certification

Agency Fee:

$100

Due:

By the end of the first birth month immediately following the issuance of licensure and annually thereafter.

Notarize:Required

Connecticut Asbestos Worker Certification

More Information:

https://portal.ct.gov/DPH/Environmental-Practitioner-Licensure-Program/Envir

Agency:Connecticut State Department of Public Health

Initial Registration

Form:

Asbestos Worker Certification

Agency Fee:

$50

Notarize: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:

Asbestos Worker Certification

Agency Fee:

$50

Due:

By the end of the first birth month immediately following the issuance of licensure and annually thereafter.

Notarize:Required

Connecticut Crane and Conveyor Journeyperson License

More Information:

http://www.portal.ct.gov/DCP/License-Services-Division/All-License-Applications/Elevator-Work-License

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:

Crane and Conveyor Journeyperson License

Agency Fee:

$120

Due:

Annually by August 31.

Connecticut Elevator Apprentice Trainee Registration

More Information:

http://www.portal.ct.gov/DCP/License-Services-Division/All-License-Applications/Elevator-Apprentice-Trainee

Initial Registration

Form:

Elevator Apprentice Trainee Registration

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:

Elevator Apprentice Trainee Registration

Agency Fee:

$0

Due:

One year from the start of the training program.

Connecticut Elevator Journeyperson License

More Information:

http://www.portal.ct.gov/DCP/License-Services-Division/All-License-Applications/Elevator-Work-License

Initial Registration

Form:

Elevator Journeyperson License

Agency Fee:

$90

Registration Renewal

Form:

Elevator Journeyperson License

Agency Fee:

$120

Due:

Annually by August 31.

Connecticut Fire Protection Journeyperson License

More Information:

http://www.portal.ct.gov/DCP/License-Services-Division/All-License-Applications/Fire-Protection-Licenses

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:

Online

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

More Information:

http://www.portal.ct.gov/DCP/License-Services-Division/All-License-Applications/Fire-Protection-Licenses

Agency:Connecticut State Department of Consumer Protection - Fire Protection Licenses and Scope of Work

Initial Registration

Form:

Fire Sprinkler System Layout Technician License

Agency Fee:

$75 application fee + $150 license fee

Notes:

There is no state exam required to obtain this license.

Registration Renewal

Form:

Fire Sprinkler System Layout Technician License

Agency Fee:

$150

Due:

Annually by January 31.

Connecticut Flat Glass Journeyperson License

More Information:

http://www.portal.ct.gov/DCP/License-Services-Division/All-License-Applications/Licensing

Registration Renewal

Form:

Renewal Information

Agency Fee:

$120

Due:

Annually by August 31.

Connecticut Hearth Product Work/Fuel Gas Work Journeyperson License

More Information:

http://www.portal.ct.gov/DCP/License-Services-Division/All-License-Applications/Heating-Cooling-and-Sheet-Met

Agency:Connecticut Department of Consumer Protection - Occupational and Professional Licensing Division

Registration Renewal

Form:

Renewal Information

Agency Fee:

$120

Due:

Annually by August 31.

Connecticut Heating and Cooling Journeyperson License

More Information:

http://www.portal.ct.gov/DCP/License-Services-Division/All-License-Applications/Heating-Cooling-and-Sheet-Met

Agency:Connecticut Department of Consumer Protection - Occupational and Professional Licensing Division

Registration Renewal

Form:

Renewal Information

Agency Fee:

$120

Due:

Annually by August 31.

Connecticut Home Improvement Salesperson Registration

More Information:

http://www.portal.ct.gov/DCP/License-Services-Division/All-License-Applications/Home-Improvement-Applications

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:

Renewal Information

Agency Fee:

$160

Due:

Annually by November 30.

Connecticut Journeyperson Electrician License

More Information:

http://www.portal.ct.gov/DCP/License-Services-Division/All-License-Applications/Electrical-License

Agency:Connecticut State Department of Consumer Protection - Electrician Program

Initial Registration

Form:

Electrical Journeyperson - Candidate Information Bulletin & Application

Agency Fee:

$90 application fee + $120 license fee due after the successful completion of the examination.

Registration Renewal

Form:

Renewal Information

Agency Fee:

$120

Due:

Annually by September 30.

Connecticut Lead Abatement Supervisor Certification

More Information:

https://portal.ct.gov/DPH/Environmental-Practitioner-Licensure-Program/Envir

Agency:Connecticut State Department of Public Health - Environmental Practitioner Licensure Program

Initial Registration

Form:

Lead Abatement Supervisor Certification

Agency Fee:

$50

Notarize:Required

Registration Renewal

Form:

Request Renewal Application 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

More Information:

https://portal.ct.gov/DPH/Environmental-Practitioner-Licensure-Program/Envir

Agency:Connecticut State Department of Public Health - Environmental Practitioner Licensure Program

Initial Registration

Form:

Lead Abatement Worker Certification

Agency Fee:

$50

Notarize:Required

Registration Renewal

Form:

Request Renewal Application 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

More Information:

https://portal.ct.gov/DPH/Environmental-Practitioner-Licensure-Program/Envir

Agency:Connecticut State Department of Public Health - Environmental Practitioner Licensure Program

Initial Registration

Form:

Lead Inspector Certification

Agency Fee:

$50

Notarize: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:

Request Renewal Application 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

More Information:

https://portal.ct.gov/DPH/Environmental-Practitioner-Licensure-Program/Envir

Agency:Connecticut State Department of Public Health - Environmental Practitioner Licensure Program

Initial Registration

Form:

Lead Inspector/Risk Assessor Certification

Agency Fee:

$50 for each certification

Notarize:Required
Notes:

(If applying for more than one discipline, please submit a separate application with fee for each)

Registration Renewal

Form:

Request Renewal Application 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

More Information:

https://portal.ct.gov/DPH/Environmental-Practitioner-Licensure-Program/Envir

Agency:Connecticut State Department of Public Health - Environmental Practitioner Licensure Program

Initial Registration

Form:

Lead Planner-Project Designer Certification

Agency Fee:

$50

Notarize:Required

Registration Renewal

Form:

Request Renewal Application Form

Agency Fee:

$50

Due:

By the end of the first birth month immediately following the issuance of licensure and annually thereafter.

Connecticut Plumbing/Pipefitting Journeyperson License

More Information:

http://www.portal.ct.gov/DCP/License-Services-Division/All-License-Applications/Plumbing-and-Pipefitting-Licens

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:

Renewal Information

Agency Fee:

$120

Due:

Annually by October 31.

Connecticut Residential Stair Lift Apprentice Registration

More Information:

http://www.portal.ct.gov/DCP/License-Services-Division/All-License-Applications/Elevator-Work-License

Registration Renewal

Agency Fee:

$0

Due:

Annually by August 31.

Notes:

A Renewal Form will be sent to address on file.

Connecticut Residential Stair Lift Technician License

More Information:

http://www.portal.ct.gov/DCP/License-Services-Division/All-License-Applications/Elevator-Work-License

Initial Registration

Form:

Residential Stair Lift Technician License

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

More Information:

http://www.portal.ct.gov/DCP/License-Services-Division/All-License-Applications/Heating-Cooling-and-Sheet-Met

Agency:Connecticut Department of Consumer Protection - Occupational and Professional Licensing Division

Initial Registration

Form:

Sheet Metal Journeyperson License

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:

Renewal Information

Agency Fee:

$120

Due:

Annually by August 31.

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.

© 2012 - 2021 Harbor Compliance. All rights reserved. Harbor Compliance does not provide tax, financial, or legal advice. Use of our services does not create an attorney-client relationship. Harbor Compliance is not acting as your attorney and does not review information you provide to us for legal accuracy or sufficiency. Access to our website is subject to our Terms of Use and Service Agreement.