Accessory Structures in Kenai Peninsula Borough, AK (2026)
3 rules for unincorporated Kenai Peninsula Borough, Alaska.
Verified from official government sources
ADU Rules
In an adopted Residential Waterfront (R-W) Local Option Zoning District in the Kenai Peninsula Borough outside the cities, KPB 21.44.175(D)(6) lists accessory dwellings among the accessory structures allowed alongside a single-family home or duplex. The borough has no zoning-wide ADU rule; the allowance applies only within a formed R-W LOZD.
Accessory Dwellings in Kenai Peninsula Borough LOZDs
Some RestrictionsKenai Peninsula Borough Code § 21.44.175(D)(6)
6.Accessory structures. Accessory structures commonly associated with residential dwellings, i.e. garages, storage sheds, greenhouses, wind turbines, workshops, and accessory dwellings are allowed within the district.
Shed & Carport Rules
In an adopted Single-Family Residential (R-1) Local Option Zoning District, KPB 21.44.160(C)(6) allows garages, barns, storage sheds, greenhouses, wind turbines, workshops and one noncommercial guesthouse per parcel as accessory structures, and KPB 21.44.160(C)(1) requires them to meet the same 30-foot front, 20-foot rear, 15-foot side and 50-foot shore setbacks as the main dwelling.
Accessory Sheds in Kenai Peninsula Borough LOZDs
Some RestrictionsKenai Peninsula Borough Code § 21.44.160(C)(1) and (6)
1.Setbacks. ... Setbacks for structures shall be 30 feet from the front yard line, 20 feet from the rear yard line, 15 feet from the side yard lines, and 50 feet from the shore and where applicable subject to the provisions of KPB 21.18. ... 6.Accessory structures. Accessory structures commonly associated with residential dwellings, i.e., garages, barns, storage sheds, greenhouses, wind turbine...
Tiny Homes
In an adopted Residential Waterfront (R-W) Local Option Zoning District in the Kenai Peninsula Borough outside the cities, KPB 21.44.175(D)(6) allows up to two small rental cabins, capped at 500 square feet each, where the principal home is single-family, or one cabin where it is a duplex. The borough has no zoning-wide tiny-home rule.
Rental Cabins in Kenai Peninsula Borough LOZDs
Some RestrictionsKenai Peninsula Borough Code § 21.44.175(D)(6)
Two rental cabins, not to exceed 500 square feet, are allowed if the principal dwelling is a single family residential. If the principal dwelling is a duplex, one rental cabin is allowed.
All Kenai Peninsula Borough ordinances
See every category we cover for Kenai Peninsula Borough: parking, noise, fences, fires, animals, pools, and more.
Kenai Peninsula Borough Ordinance Hub →