Overview
Preemption classification
Tier A — Pro-housing leader
HB24-1152 (ADUs), HB24-1313 (transit-oriented development), HB24-1304 (parking reform). Preempts local rent control. Note: SB 19-181 (2019) returned oil & gas authority to localities, reversing prior state preemption.
Governance
Home rule
Cities set their own zoning and can adopt newer building codes than the state requires.
Adopted building codes
Denver & state buildings; home rule elsewhere
City-level IBC adoptions (3)
| City | IBC | Amendment notes |
|---|---|---|
| Aurora | 2021 | |
| Denver | 2021 | |
| Fort Collins | 2021 |
View building-code adoption for Colorado →
3 of 5 codes adopted (IECC, IFC, NEC)
Profiled counties
Cities
Showing 4 of 4
| City | Population | Code | Status | Issues |
|---|---|---|---|---|
| Aurora | — | Aurora Unified Development Ordinance (UDO), Chapter 146 · 17 districts | V2 ✓ | freshness:volatiledata:gaps-present |
| Colorado Springs | — | Unified Development Code (UDC), Chapter 7 — adopted Feb 14, 2023; effective June 5, 2023 · 6 districts | V1 Legacy | schema:v1-legacypriority:lowdata:gaps-present |
| Denver | — | Denver Zoning Code (DZC) · 31 districts | V2 ✓ | freshness:volatiledata:gaps-present |
| Fort Collins | — | Fort Collins Land Use Code (LUC) · 23 districts | V2 ✓ | freshness:volatiledata:gaps-present |
Research status
Data quality
75%completeness3 confirmed1 not found