A contractor's license is required for most construction. Any contractor working in the city must hold a current license with the City of Commerce City (electrical and plumbing contractors must register with the city), as follows:

General contractors
Unlimited general contractor "A"
General contractor "B" limited
Residential/general contractor "C"
Residential/remodeling contractor "D"

Contractor license requirements

Contractor testing information

Apply for a contractor's license

Subcontractors must file a signature form with the city for these types of work: elevator, excavation, fence, fire protection, lawn sprinkler, masonry, mechanical, plumbing, right-of-way, roofing, drywall, concrete flatwork and signs.

Subcontractor's signature form

Homeowners do not need a contractor's license to perform certain types of work themselves. For more information and to confirm that a contractor has a current license with the city, please submit a request or contact the Community Development Department at 303.289.3790.