Nampa Zoning & Land Use Guide
Last updated: Verified:
Key Zoning Facts
Regulatory Layers That Apply in Nampa
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 — Canyon 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 |
|---|---|---|---|---|---|---|---|
| RS | Single-Family Residential | 7,000 sq ft | 35 ft | 20 ft | 5 ft | 15 ft | — |
| RM | Multi-Family Residential | 3,000 sq ft | 45 ft | 20 ft | 10 ft | 15 ft | — |
| GC | General Commercial | None | 50 ft | 0 ft | 0 ft | 10 ft | — |
ADU Rules in Nampa
ADUs:Allowed
- Max Size
- 750 sq ft
- Max Height
- 25 ft
- Rear Setback
- 5 ft
- Side Setback
- 5 ft
- Parking
- 1 off-street space required
- Owner Occupancy
- Required
- Permit Timeline
- 30-60 days
Official Sources
Frequently Asked Questions
Frequently Asked Questions
Can I build an ADU in Nampa?
Yes. Nampa permits accessory dwelling units on single-family lots, subject to size limits and owner-occupancy requirements. Contact the Planning and Zoning department for details.
How do I find the zoning for my property in Nampa?
Use Nampa's GIS mapping portal at cityofnampa.us or contact the Planning and Zoning department.
What zones allow multi-family housing in Nampa?
Multi-family housing is allowed in RM (Multi-Family Residential) zones and certain commercial districts, primarily along major corridors like 12th Avenue and Nampa-Caldwell Boulevard.
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.