ADU rules for Unincorporated Washington
Accessory Dwelling Unit (ADU) Rules for Unincorporated Washington, ID
Is your property eligible for an ADU?
# of Properties
1,936
Owner-occupied
77%
Zoning districts
13
Avg Home Value
$245,741
Median Lot Size
4.48 acres
Avg Income
$75,184
Residential Types:
1,936 housing units
Single Family
1%
Other
99%
Zoning Districts:
7,951 parcels · 13 districts
UK
91%(7,275)
A2
5%(436)
SP-USE
1%(82)
D2
0%(35)
Other
2%(123)
ADU Rules
What can you build in Unincorporated Washington, ID?
Unincorporated Washington, ID follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: Not addressed in the local bylaw
- –Detached ADU: Not addressed in the local bylaw
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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