ADUs are allowed in Unincorporated JuneauTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Unincorporated Juneau, AK
Is your property eligible for an ADU?
# of Parcels
16,080
Zoning districts
22
Avg Parcel Value
$795,963
Median Parcel Size
0.29 acres
Zoning Districts:
16,036 parcels · 22 districts
D5
33%(5,270)
D15
12%(1,886)
D18
11%(1,796)
D1
9%(1,405)
Other
35%(5,679)
ADU Rules
What can you build in Unincorporated Juneau, AK?
Unincorporated Juneau, AK follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: By Right
- –Detached ADU: By Right
Interior / Attached ADU Size Limits
- –Maximum size is the greater of 1,000 sq ft or 40% of the principal residential structure's floor area.
Detached ADU Size Limits
- –Maximum 1,000 sq ft net floor area for a detached accessory dwelling unit
Owner Occupancy
- –Owner-occupancy not required.
Parking
- –1 space per ADU; 0 spaces within 1 mile of a public transit stop, in the Town Center Parking Area, or in the adopted No Parking Required Area; conversions: if converting an existing covered parking space to create the ADU, no replacement parking is required; ADU parking follows 49.40.210; waivers/reductions allowed by 49.40.215-.220.
What's allowed on your lot?
These are the municipality-wide rules. What's allowed on a specific property also depends on state laws, setbacks, floor area ratio, lot coverage, environmental constraints, topography, and other property-specific factors. Search your address on FutureLot to see what's allowed on your property.
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ADU rules in other Alaska municipalities
Rules change at the town line. Check the municipality your property is actually in.
Juneau County