ADUs are allowed in MapletonTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Mapleton, UT
Is your property eligible for an ADU?
# of Properties
5,523
Owner-occupied
80%
Zoning districts
28
Avg Home Value
$845,105
Median Lot Size
0.35 acres
Avg Income
$130,107
Residential Types:
5,523 housing units
Single Family
77%
Other
23%
Zoning Districts:
7,791 parcels · 28 districts
RA-2
22%(1,689)
PD-3
14%(1,097)
A-2
13%(984)
SDP-2
8%(595)
Other
44%(3,426)
ADU Rules
What can you build in Mapleton, UT?
Mapleton, 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
Detached ADU Size Limits
- –Detached ADU maximum size is 40% of the primary dwelling’s square footage.
- –Detached ADU maximum size by lot: 1,000 sq ft (21,780–87,119 sq ft lots), 1,200 sq ft (87,120–130,679 sq ft), or 1,400 sq ft (3 acres+).
Max Units
- –1 ADU per single-family lot
Owner Occupancy
- –Owner must occupy either the principal or ADU
Parking
- –1 space/ADU; exceptions: not in a garage unless two other garage stalls exist for the primary dwelling; not directly behind a required stall for the primary dwelling; no more than one designated stall may be located in the front-yard or street-side setback; must be a paved hard surface.
Rental Restrictions
- –Short-term rentals prohibited citywide; minimum rental term 30 days.
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.
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