Westminster Zoning & Land Use Guide
Last updated: Verified:
Key Zoning Facts
Regulatory Layers That Apply in Westminster
Your property is subject to ALL of these regulatory layers. Each one can impose additional requirements beyond the others.
Federal
- FEMA Flood Zones: Applicable
- View FEMA Flood Map
County — Adams County
- Role: Property records, tax assessment, unincorporated area planning
City / Municipal
The city's zoning ordinance, building codes, and local permits form the primary layer of land-use regulation for your property.
Overlay Districts
No overlay districts identified.
Private Restrictions
- HOA / CC&Rs common: Yes
- Check HOA CC&Rs for additional restrictions.
Primary Zoning Districts
| District Code | Name | Min Lot | Max Height | Front Setback | Side Setback | Rear Setback | FAR |
|---|---|---|---|---|---|---|---|
| R-1 | Single-Family Residential | 6,000 sq ft | 35 ft | 20 ft | 5 ft | 15 ft | — |
| R-3 | Multi-Family Residential | 6,000 sq ft | 50 ft | 25 ft | 10 ft | 15 ft | — |
| C-1 | Commercial | None | 45 ft | 15 ft | 0 ft | 10 ft | — |
ADU Rules in Westminster
ADUs:Allowed
- Max Size
- 800 sq ft
- Max Height
- 20 ft
- Rear Setback
- 5 ft
- Side Setback
- 5 ft
- Parking
- No additional parking required
- Owner Occupancy
- Not required
- Permit Timeline
- 4-6 weeks
Official Sources
Frequently Asked Questions
Frequently Asked Questions
Can I build an ADU in Westminster?
Yes. Westminster allows ADUs on residential lots under Colorado HB 24-1152. A building permit is required.
How do I find the zoning for my property in Westminster?
Use the Westminster zoning map on the Community Development website, or call (303) 658-2400.
What zones allow multi-family housing in Westminster?
Multi-family housing is allowed in R-3 and R-4 districts, Mixed Use zones, and Planned Unit Development areas.
Disclaimer: The information on this website is provided for general informational purposes only and does not constitute legal, financial, or professional advice. Zoning codes and building regulations change frequently. Always verify current requirements with your local planning department and building authority before making any decisions.