Contractor Licensing | City of Louisville, CO

Per the Louisville Municipal Code Chapter 5.12.090, if a contractor is to be employed for a building project, he/she must be licensed with the City of Louisville and listed on the building permit.

License applications may be applied through our online portal. Our process time for online submittals is typically same day or next business day.

Apply for a License

To apply for a license, go to the header Apply and under the Licenses section click All.

Choose the appropriate license type.

Application Process

Attachments Step (Required Documents):

Type of License	Testing Document(s)
Class A	ICC Contractor A passing test results
Class B	ICC Contractor B passing test results
Class C	ICC Contractor C passing test results
Class D	None
Electrical	Master / State Contractor License, Driver's License
Mechanical	None
Plumbing	Master / State Contractor License, Driver's License
Solar	Master / State Contractor License, Driver's License (electrician)
Mechanical/Plumbing	Master / State Contractor License, Driver's License
Electrical/Mechanical/Plumbing	Master / State Contractor License, Driver's License

Approval Process

Licenses must be applied AND paid for at the same time in order for staff to receive your application. If you do not pay for it first, staff will never be notified to review your application.

When your license has been approved, the applicant is emailed saying the license has been issued.

To view your license, go to the header View and click on My Contractor Licenses. Select your most current license and click on the print icon.

To see a PDF version of your license, click on the print icon.

View your Licenses

Below are the required testing documents for the license submittal.

Type of License	Testing Document(s)
Class A	ICC Contractor A passing test results
Class B	ICC Contractor B passing test results
Class C	ICC Contractor C passing test results
Class D	None
Electrical	Master / State Contractor License, Driver's License
Mechanical	None
Plumbing	Master / State Contractor License, Driver's License
Solar	Master / State Contractor License, Driver's License (electrician)
Mechanical/Plumbing	Master / State Contractor License, Driver's License
Electrical/Mechanical/Plumbing	Master / State Contractor License, Driver's License
*The City of Louisville only accepts testing documents from the International Code Council (ICC) and the Colorado Department of Regulatory Agencies (DORA).