ADUs are allowed in AlpineTypes:Internal
Types:Internal
Accessory Dwelling Unit (ADU) Rules for Alpine, UT
Is your property eligible for an ADU?
# of Properties
2,938
Owner-occupied
83%
Zoning districts
9
Avg Home Value
$1,441,203
Median Lot Size
0.52 acres
Avg Income
$167,348
Residential Types:
2,938 housing units
Single Family
97%
Other
3%
Zoning Districts:
4,212 parcels · 9 districts
CR-40000
42%(1,777)
CR-20000
33%(1,391)
TR-10000
14%(589)
B-C
4%(183)
Other
6%(272)
ADU Rules
What can you build in Alpine, UT?
Alpine, 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: Not permitted
Max Units
- –1 ADU per owner-occupied single-unit detached lot.
- –Duplex/multifamily: 0 ADUs; Detached ADUs not permitted (internal only).
Owner Occupancy
- –ADUs require owner-occupancy in single-unit detached dwellings.
Parking
- –4 off-street spaces per single-unit detached dwelling with an ADU, at least 1 space designated for the ADU (garage or driveway). Max: none; exceptions may reduce requirements and allow off-site parking on the same lot unless an off-site exception is approved (e.g., adjacent within 200 ft with safe pedestrian access).
Rental Restrictions
- –Short-term rentals prohibited; no lease-term limits specified.
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.
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