Colorado contractors

68,075 contractor profiles · 36,749 with an active license on file.

HomeProFax holds 68,075 Colorado contractor profiles built from the DORA electrical and plumbing license rosters and city contractor license lists, with 36,749 showing an active license on file. Permit history appears where covered city open-data portals publish it.

Before you hire, read how to check a contractor before you hire and confirm the license with the issuing agency.

Who licenses contractors in Colorado

Colorado splits contractor licensing between the state and local governments:

That patchwork is why checking a Colorado contractor can mean several government websites. The shortcut: ask the contractor for their HomeProFax report. HomeProFax holds the state records for Colorado's electricians and plumbers and is adding city license lists, starting with Aurora and Thornton.

Colorado guides

• Hail damage roof replacement on the Front Range
• Denver contractor licensing explained
• Hiring an electrician or plumber in Colorado
• Contractor permit records in Denver and Boulder
• Do roofers need a license in Colorado?
• Hiring a roofer after hail in Colorado Springs
• How contractor licensing works in Colorado Springs
• A contractor took my deposit in Colorado
• Colorado contractor license lookup

Popular Colorado pages

Denver electricians · Denver plumbers · Colorado Springs electricians · Colorado Springs plumbers · Boulder plumbers · Aurora roofers · Aurora general contractors · Thornton roofers

Colorado cities with verified local licensing rules

We checked each local building department's official pages in October 2026. Each city page lists the rules with links to the source.

Cities with 5+ profiles