ADUs are allowed in Unincorporated SevierTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Unincorporated Sevier, UT
Is your property eligible for an ADU?
# of Properties
7,864
Owner-occupied
71%
Zoning districts
15
Avg Home Value
$65,580
Median Lot Size
6.00 acres
Avg Income
$73,304
Residential Types:
7,864 housing units
Vacant
100%
Zoning Districts:
8,886 parcels · 15 districts
A-1
55%(4,923)
GRF-20S
28%(2,449)
RA
7%(625)
GRF-20R
5%(478)
Other
5%(411)
ADU Rules
What can you build in Unincorporated Sevier, UT?
Unincorporated Sevier, UT follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: Conditional Use Permit
- –Detached ADU: Conditional Use Permit
Detached ADU Size Limits
- –Maximum size of 1,000 sq ft for a detached accessory dwelling unit.
Max Units
- –Detached ADU: 1 per lot; IADU: 1 per lot
- –JADU: none specified; Duplex/multifamily: none specified
Owner Occupancy
- –Primary or ADU must be owner-occupied; affidavit for IADU
Parking
- –1 on-site space per IADU (in addition to 2 off-street spaces for the primary dwelling); no max; exception: garage conversions require replacement on-site parking for the primary dwelling equal to spaces eliminated.
Rental Restrictions
- –Short-term rentals (<30 days) require a county license and compliance with operating standards; ZA approval may be required.
- –Renting rooms in either unit is not permitted without a business license.
- –IADU must be rented long-term (30+ days) and requires a CUP and building permit before renting.
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.
Sevier County