ADUs are allowed in MoscowTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Moscow, ID
Is your property eligible for an ADU?
# of Properties
3,640
Owner-occupied
100%
Zoning districts
16
Avg Home Value
$70,934
Median Lot Size
0.22 acres
Avg Income
$76,339
Residential Types:
3,640 housing units
Single Family
28%
Apts (4+ units)
68%
Other
4%
Zoning Districts:
6,707 parcels · 16 districts
R2
35%(2,343)
R3
20%(1,360)
R4
19%(1,251)
R1
12%(772)
Other
15%(981)
ADU Rules
What can you build in Moscow, ID?
Moscow, ID 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 of 600 sq ft for an internal accessory dwelling unit (in-home apartment).
- –Maximum size of 40% of the gross floor area of the principal dwelling for an internal accessory dwelling unit (in-home apartment).
Detached ADU Size Limits
- –Maximum detached ADU size of 600 sq ft
- –Maximum detached ADU size of 40% of the principal dwelling’s gross floor area
Owner Occupancy
- –Owner must reside on the property in the principal or ADU.
Parking
- –1 space/ADU minimum; no citywide max; UMC caps surface parking at 1 (100% of min); U district not requiring off-street parking; CB/UMC exempt from standard min; UMC residential uses follow separate district standards with fractional minimums rounded up to 1
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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Learn the key rules and size limits for ADUs