ADUs are allowed in NephiTypes:Internal
Types:Internal
Accessory Dwelling Unit (ADU) Rules for Nephi, UT
Is your property eligible for an ADU?
# of Properties
2,268
Owner-occupied
100%
Zoning districts
13
Avg Home Value
$401,814
Median Lot Size
0.31 acres
Avg Income
$104,987
Residential Types:
2,268 housing units
Residential
100%
Zoning Districts:
2,985 parcels · 13 districts
R1-8
44%(1,328)
R1-1/4
30%(891)
CU-1
12%(358)
R2-8
3%(86)
Other
11%(322)
ADU Rules
What can you build in Nephi, UT?
Nephi, 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 addressed in the local bylaw
Max Units
- –1 IADU per single-family dwelling unit; 0 IADUs for duplex/twin-home and multifamily
Owner Occupancy
- –Applicant must be the owner-occupant and primary resident
Parking
- –1 added hard-surfaced off-street space per IADU; total parking capped at 4; asphalt/concrete required; garage/carport spaces do not count; a site plan showing main-dwelling and IADU stall is required; each stall must be at least 9' x 20'.
Rental Restrictions
- –Internal/Attached ADUs (IADUs) must be rented for 30+ consecutive days; short-term rentals (<30 days) prohibited.
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.
Juab County