ADU Rules in Alaska (2026)
ADU rules in Alaska — no statewide ADU law. Regulation is entirely local. Key provisions and city-specific frameworks for accessory dwelling units.
Law Name
State ADU Law
Preempts Local Ordinances
No — local rules may be stricter
Has State Law
No — regulation is local
Local Control Framework
Alaska does not have a statewide ADU law as of 2026 · Source
ADU regulation is left entirely to local municipalities and boroughs · Source
Alaska Statutes Title 29 (Municipal Government) grants municipalities authority over local zoning · Source
Anchorage, Fairbanks North Star Borough, Juneau, and Kenai Peninsula Borough set their own ADU rules · Source
Alaska's vast geography means most of the state is unincorporated — zoning applies only in organized boroughs and municipalities · Source
Anchorage has been the primary jurisdiction developing ADU provisions given its population density · Source
Source: Alaska Local Zoning Authority. Last verified April 5, 2026. View source