Boise Zoning & Land Use Guide
Last updated: Verified:
Key Zoning Facts
Regulatory Layers That Apply in Boise
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 — Ada 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-1C | Single-Family Residential | 7,000 sq ft | 35 ft | 20 ft | 5 ft | 15 ft | — |
| R-2D | Medium-Density Residential | 4,000 sq ft | 35 ft | 20 ft | 5 ft | 15 ft | — |
| C-2D | General Commercial | None | 65 ft | 0 ft | 0 ft | 10 ft | — |
ADU Rules in Boise
ADUs:Allowed
- Max Size
- 800 sq ft
- Max Height
- 25 ft
- Rear Setback
- 5 ft
- Side Setback
- 5 ft
- Parking
- No additional parking required
- Owner Occupancy
- Not required
- Permit Timeline
- 30-60 days
Official Sources
Frequently Asked Questions
Frequently Asked Questions
Can I build an ADU in Boise?
Yes. Boise allows accessory dwelling units on single-family residential lots. The city has progressively relaxed ADU regulations to address housing affordability, eliminating owner-occupancy and extra parking requirements.
How do I find the zoning for my property in Boise?
Use Boise's open data GIS portal at opendata.cityofboise.org or contact Planning and Development Services for a zoning verification.
What zones allow multi-family housing in Boise?
Multi-family housing is permitted in R-2, R-3, and R-MHP zones, as well as in commercial districts C-1 through C-3 that allow residential mixed-use development.
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.