ADUs are allowed in Sugar CityTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Sugar City, ID
Is your property eligible for an ADU?
# of Properties
1,023
Owner-occupied
80%
Zoning districts
19
Avg Home Value
$109,763
Median Lot Size
0.03 acres
Avg Income
$87,381
Residential Types:
1,023 housing units
Single Family
3%
Apts (4+ units)
35%
Other
63%
Zoning Districts:
1,782 parcels · 19 districts
R1
33%(582)
R3
30%(535)
MU1
11%(193)
MU2
9%(152)
Other
18%(320)
ADU Rules
What can you build in Sugar City, ID?
Sugar City, 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 1,000 sq ft for an ADU within or attached to a single-household dwelling
- –ADU must be smaller than the primary dwelling in a single-household home
Detached ADU Size Limits
- –Detached ADU must be smaller than the primary building or use; when on a single-household dwelling lot, it is additionally capped at 1,000 sq ft. No fixed cap for ADUs tied to non-residential uses beyond being smaller than the primary use.
Owner Occupancy
- –Owner must occupy either the primary or ADU
Parking
- –1 off-street space per ADU (single-household). For non-residential ADUs >1,000 sq ft, 1 space per bedroom; otherwise not specified. Director may waive parking via deed restriction; no more than 1 ADU stall in the front-yard setback; driveways must be 10'×20' and not exceed 60% of front yard; garage conversions not allowed unless required parking is legally re-sited.
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.
Madison County