ADUs are allowed in RoyTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Roy, UT
Is your property eligible for an ADU?
# of Properties
12,274
Owner-occupied
85%
Zoning districts
27
Avg Home Value
$556,194
Median Lot Size
0.20 acres
Avg Income
$94,642
Residential Types:
12,274 housing units
Single Family
85%
2-3 Family
1%
Apts (4+ units)
2%
Other
11%
Zoning Districts:
13,413 parcels · 27 districts
R-1-8
56%(7,542)
R-1-6
10%(1,324)
R-1-7
7%(970)
R-3
5%(626)
Other
22%(2,951)
ADU Rules
What can you build in Roy, UT?
Roy, 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: Conditional Use Permit
Detached ADU Size Limits
- –Detached ADUs are not permitted; accessory buildings cannot be used as dwelling units. Maximum detached ADU area is 0 sq ft.
Max Units
- –Detached ADU: 0 per lot (prohibited).
- –Church-use ADU: 1 per lot.
Owner Occupancy
- –ADU must be the owner's primary residence
Parking
- –1 space per I-ADU; spaces may not be located in the required front setback (no front or street-side yard parking); I-ADU must include an additional parking space; Planning Commission may approve a parking reduction with Site Plan approval if justified
Rental Restrictions
- –Detached ADUs cannot be created or rented at all; Internal ADUs must be rented for 30 consecutive days or longer
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.
Weber County