Can you build an ADU in Commerce City, CO?

Allowed by right

ADUs were expressly adopted as a permitted use and accessory structure in residential and agricultural zones by Ordinance No. 2737. The main remaining risk is confirming detailed standards and whether the parcel is in an eligible zone under the current transition status.

Confidence: medium · Last researched July 2026

Accessory dwelling unit rules

ADUs are allowed as a permitted use and accessory structure in residential and agricultural zones under Ordinance No. 2737.

  • Permitted use status adopted by Ordinance No. 2737.
  • Applies in residential zones.
  • Applies in agricultural zones.
  • Detailed development standards were not included in the supplied materials and should be verified in the live code.

Related questions

Are ADUs allowed in Commerce City, CO?

ADUs are allowed as a permitted use and accessory structure in residential and agricultural zones under Ordinance No. 2737.

Full investor analysis

You've seen the general rule. The full Commerce City, CO report shows which districts allow ADUs by-right vs. by special permit, the approval path and timeline, and the overlay/flood constraints that quietly kill ADU projects here. First town report is free.

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More about Commerce City, CO zoning

View the full Commerce City, CO zoning report →

This summary is AI-generated from public municipal sources and is not legal, engineering, or land-use advice. Always verify zoning with Commerce City, CO officials before making decisions.

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