Colorado licensing

Who and what this applies to

Limited to the construction category and statutory provision described below.

The rules

• Colorado contractors should check the city or county where the work will occur for local contractor licensing requirements. The Colorado Attorney General separately directs consumers to the Department of Regulatory Agencies for state licensing of electrical and plumbing contractors. Verify both the local construction requirements and any applicable state trade credential before starting work. Source

Primary sources

• Contractor licensing checks

Sources reviewed 2026-09-30. This guide covers the projects and rules stated above.

Back to Colorado contractor law · Licensing topic guide.