

ADUs are allowed in Plain CityTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Plain City, UT
Is your property eligible for an ADU?
# of Properties
3,236
Owner-occupied
86%
Zoning districts
14
Avg Home Value
$528,445
Median Lot Size
0.46 acres
Avg Income
$120,195
Residential Types:
3,236 housing units
Single Family
83%
Other
17%
Zoning Districts:
4,434 parcels · 14 districts
RE-20
43%(1,889)
RE-15
29%(1,294)
R-1-11
9%(414)
A-2
8%(342)
Other
11%(495)
ADU Rules
What can you build in Plain City, UT?
Plain 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
Max Units
- –1 DADU per property
- –1 internal ADU per single-family dwelling
Owner Occupancy
- –Owner must reside on the same property as the ADU
Parking
- –No explicit min/max; internal ADUs require off-street parking on an approved surface with no on-street parking; detached ADUs require off-street parking on concrete/asphalt; driveways allowed if 50 ft apart and 30 ft from intersections; occupant-use increases may change requirements.
Rental Restrictions
- –Short-term/transient rentals (<30 days) prohibited for the primary dwelling and DADU; no partial subletting for a DADU; if a DADU is rented, a Home Occupation license is required; Internal ADU requires city permit and inspection before rent; internal ADU rentals <30 days are 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.
Weber County