Building Permits in Commerce City, CO
Check permit requirements for home improvement projects in Commerce City. Select a project type below to see local requirements, estimated fees, and how to apply.
Key Exemptions in Commerce City
These projects typically don't require a building permit in Commerce City:
Cosmetic bathroom renovations do not require a permit in Denver, CO.
Small at-grade patio slabs under 120 square feet are typically exempt from building permits per IRC R105.2 (extended via local amendment). The slab must be at-grade (not more than 30 inches above adjacent grade) and not part of an accessible route.
Freestanding decks not exceeding 30 inches above grade are exempt in Denver, CO.
Replacing an existing driveway in the same footprint with no changes to the curb cut is generally exempt from permit requirements.
Replacing a fixture in-kind does not require a permit in Denver, CO.
See all rules by selecting a project type below, or use our free lookup tool for a personalized answer.
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Check Your Project →Commerce City Building Department
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Permit Guides
Read our in-depth guides for common home improvement projects: