ADU rules for Alta
Accessory Dwelling Unit (ADU) Rules for Alta, UT
Is your property eligible for an ADU?
# of Properties
222
Owner-occupied
4%
Zoning districts
9
Avg Home Value
$1,960,065
Median Lot Size
0.01 acres
Avg Income
$114,380
Residential Types:
222 housing units
Single Family
63%
Apts (4+ units)
4%
Other
33%
Zoning Districts:
439 parcels · 9 districts
FR-50
31%(135)
FM-20
26%(113)
FM-10
21%(93)
FR-1
10%(46)
Other
12%(52)
ADU Rules
What can you build in Alta, UT?
Alta, UT follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: Not addressed in the local bylaw
- –Detached ADU: Not addressed in the local bylaw
Max Units
- –0 per lot in BF-10 (Base Facilities Zone)
Parking
- –No explicit min/max parking for ADUs; ADUs not listed; Planning Commission sets off-street parking guided by similar uses; parking generally on-site but may be off-site within 500 ft along the shortest pedestrian route.
Rental Restrictions
- –Detached ADU (guesthouse) cannot be rented separately from the main dwelling; FR zones ban short-term rentals (≤30 days) of any dwelling or structure; caretaker units must be occupied by a caretaker and cannot be rented to others (PE-0.5).
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.
Salt Lake County