Colorado Zoning & Land Use Guide
Last updated: Verified:
Comprehensive guide to Colorado zoning laws, building codes, and land use regulations.
Key Facts
- Building Code: No mandatory statewide code (local jurisdictions adopt)
- State ADU Law: Yes — ADU-friendly
- ADU Details: HB 24-1152 (2024) requires local governments in Colorado to allow accessory dwelling units on lots zoned for single-family residential use, with limits on local restrictions related to minimum lot size, owner-occupancy mandates, and parking requirements.
Official Sources
Cities in Colorado
Arvada
Pop. 124,402
ADU: Allowed
Aurora
Pop. 386,261
ADU: Allowed
Boulder
Pop. 105,673
ADU: Allowed
Broomfield
Pop. 74,112
ADU: Allowed
Castle Rock
Pop. 73,158
ADU: Allowed
Centennial
Pop. 108,418
ADU: Allowed
Colorado Springs
Pop. 478,961
ADU: Allowed
Commerce City
Pop. 62,853
ADU: Allowed
Denver
Pop. 715,522
ADU: Allowed
Fort Collins
Pop. 169,810
ADU: Allowed
Greeley
Pop. 108,795
ADU: Allowed
Lakewood
Pop. 155,984
ADU: Allowed
Littleton
Pop. 45,652
ADU: Allowed
Longmont
Pop. 98,885
ADU: Allowed
Loveland
Pop. 76,378
ADU: Allowed
Northglenn
Pop. 39,680
ADU: Allowed
Parker
Pop. 57,706
ADU: Allowed
Pueblo
Pop. 111,876
ADU: Allowed
Thornton
Pop. 141,867
ADU: Allowed
Westminster
Pop. 116,317
ADU: Allowed
Disclaimer: The information on this website is provided for general informational purposes only and does not constitute legal, financial, or professional advice. Always verify current requirements with your local planning department.