Anchorage Zoning & Land Use Guide
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Key Zoning Facts
Regulatory Layers That Apply in Anchorage
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
State — Alaska
- Building Code: IBC adopted at state level; local enforcement
County — Anchorage Borough
- Role: Unified municipality - borough and city are consolidated
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 | 30 ft | 20 ft | 5 ft | 10 ft | — |
| R-3 | Multi-Family Residential | 6,000 sq ft | 45 ft | 20 ft | 10 ft | 10 ft | — |
| B-3 | General Business | None | 55 ft | 10 ft | 0 ft | 10 ft | — |
ADU Rules in Anchorage
ADUs:Allowed
- Max Size
- 900 sq ft
- Max Height
- 25 ft
- Rear Setback
- 5 ft
- Side Setback
- 5 ft
- Parking
- 1 off-street space required
- Owner Occupancy
- Not required
- Permit Timeline
- 30-60 days
Official Sources
Frequently Asked Questions
Frequently Asked Questions
Can I build an ADU in Anchorage?
Yes. Anchorage permits accessory dwelling units in most residential zones. The municipality has adopted ADU-friendly regulations to encourage housing production. Both attached and detached ADUs are allowed, subject to size and setback limitations.
How do I find the zoning for my property in Anchorage?
Use the Municipality of Anchorage online GIS mapping system or contact the Planning Department at (907) 343-7920 to look up your property's zoning.
What zones allow multi-family housing in Anchorage?
Multi-family housing is permitted in R-2, R-3, R-4, and R-O districts, as well as in many commercial and mixed-use zones.
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.