ADUs are allowed in HildaleTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Hildale, UT
Is your property eligible for an ADU?
# of Properties
598
Owner-occupied
50%
Zoning districts
19
Avg Home Value
$172,037
Median Lot Size
1.00 acres
Avg Income
$78,613
Residential Types:
598 housing units
Other
100%
Zoning Districts:
700 parcels · 19 districts
RA-1
40%(277)
R1-10
20%(140)
GC
11%(74)
RM-1
6%(39)
Other
24%(170)
ADU Rules
What can you build in Hildale, UT?
Hildale, 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
Interior / Attached ADU Size Limits
- –Maximum size equals the zone’s accessory building cap (R1-25/R1-15/R1-10: 1,200 sq ft; R1-8: 500 sq ft; RM-1/RM-2: 1,000 sq ft; RM-3: 500 sq ft; RA-1/RA-.5: 2,000 sq ft).
Detached ADU Size Limits
- –Maximum detached ADU size equals the zone’s accessory building cap: R1-25/R1-15/R1-10: 1,200 sq ft; R1-8: 500 sq ft; RM-1/RM-2: 1,000 sq ft; RM-3: 500 sq ft; RA-1/RA-.5: 2,000 sq ft; agricultural zones have no numeric cap. Also subject to the citywide 50% impervious-surface limit.
Max Units
- –Single-family: 1 ADU/lot
- –Duplex & multifamily: 0 allowed
Owner Occupancy
- –Owner or immediate family must reside in the main dwelling
Parking
- –Min 3 parking spaces total for a single-family dwelling with an ADU; parking must be on-site on the same lot within 300 ft unless off-site is authorized or spaces may be modified by the Planning Commission; landscaping to buffer on-site parking.
Rental Restrictions
- –Detached ADU: short-term rentals prohibited; casitas/guesthouses without direct access may only be rented to family or nonpaying guests unless they meet the development standards for a rental unit and qualify as a rental ADU
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.
Washington County