ADUs are allowed in Unincorporated WeberTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Unincorporated Weber, UT
Is your property eligible for an ADU?
# of Properties
4,928
Owner-occupied
77%
Zoning districts
43
Avg Home Value
$656,365
Median Lot Size
0.92 acres
Avg Income
$113,905
Residential Types:
4,928 housing units
Single Family
68%
Apts (4+ units)
1%
Other
31%
Zoning Districts:
9,899 parcels · 43 districts
A-1
25%(2,427)
A-2
16%(1,557)
F-40
15%(1,454)
RE-20
6%(620)
Other
39%(3,841)
ADU Rules
What can you build in Unincorporated Weber, UT?
Unincorporated Weber, UT 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 1,500 sq ft footprint (basement-only ADUs may exceed)
- –Maximum size of 2,000 sq ft gross floor area (basement-only ADUs may exceed)
Detached ADU Size Limits
- –Maximum detached ADU footprint of 1,500 sq ft
- –Maximum detached ADU gross floor area of 2,000 sq ft
- –Detached ADU footprint limited so the combined footprint of the ADU building and the single-family dwelling does not exceed 25% of the lot area
Max Units
- –Single-family: 1 ADU/lot
- –Duplex or multifamily: 0 ADUs
Owner Occupancy
- –Either the ADU or primary dwelling must be owner-occupied.
Parking
- –2 off-street spaces per ADU (each 9 ft x 20 ft); on the same lot and hard-surfaced; front-yard parking generally not allowed except driveway access; planning commission may adjust for unusual conditions.
Rental Restrictions
- –Short-term rentals prohibited in ADUs; less than 30 days not allowed.
- –If the ADU is the owner-occupied dwelling, it may not be rented while the owner is away.
- –If the primary dwelling is owner-occupied, the rented ADU is limited to no more than one family.
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 Utah municipalities
Rules change at the town line. Check the municipality your property is actually in.
Weber County