ADUs are allowed in Salt Lake CityTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Salt Lake City, UT
Is your property eligible for an ADU?
# of Properties
53,378
Owner-occupied
60%
Zoning districts
47
Avg Home Value
$874,220
Median Lot Size
0.14 acres
Avg Income
$97,073
Residential Types:
53,378 housing units
Single Family
95%
2-3 Family
1%
Apts (4+ units)
4%
Condos
1%
Zoning Districts:
67,059 parcels · 47 districts
R-1/5000
25%(16,660)
R-1/7000
23%(15,456)
SR-1A
6%(4,042)
RMF-35
5%(3,560)
Other
41%(27,341)
ADU Rules
What can you build in Salt Lake City, UT?
Salt Lake City, 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
Detached ADU Size Limits
- –Maximum gross floor area for a detached ADU (backyard cottage) is 1,000 sq ft.
Max Units
- –1 ADU per lot
Owner Occupancy
- –Owner must reside on the property, with certain exceptions.
Rental Restrictions
- –Short-term rentals prohibited for both the ADU and the principal dwelling by covenant
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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Is your property eligible for an ADU?
ADU rules in other Utah municipalities
Rules change at the town line. Check the municipality your property is actually in.
Salt Lake County