ADUs are allowed in Glenns FerryTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Glenns Ferry, ID
Is your property eligible for an ADU?
# of Properties
934
Owner-occupied
67%
Zoning districts
11
Avg Home Value
$211,528
Median Lot Size
0.24 acres
Avg Income
$58,669
Residential Types:
934 housing units
2-3 Family
100%
Zoning Districts:
939 parcels · 11 districts
R-3
30%(278)
C
23%(219)
R-1
21%(194)
R-2
11%(101)
Other
16%(147)
ADU Rules
What can you build in Glenns Ferry, ID?
Glenns Ferry, 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 900 sq ft for an internal/attached ADU (in-home apartment).
Detached ADU Size Limits
- –Maximum size of 900 sq ft for a detached accessory dwelling unit
Max Units
- –1 ADU per legal parcel with no more than one single-family dwelling (single-family lots).
- –0 ADUs on parcels containing duplex, triplex, fourplex or other residential multifamily buildings.
Owner Occupancy
- –Owner-occupancy is not required for the ADU.
Parking
- –1 space/ADU (off-street) in addition to the primary dwelling's required spaces; parking must be on the same premises; no max; Downtown Overlay exemptions do not apply to ADUs.
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 Idaho municipalities
Rules change at the town line. Check the municipality your property is actually in.
Elmore County