

ADUs are allowed in LaytonTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Layton, UT
Is your property eligible for an ADU?
# of Properties
3,283
Owner-occupied
69%
Zoning districts
32
Median Lot Size
0.53 acres
Avg Income
$110,604
Residential Types:
3,283 housing units
Other
100%
Zoning Districts:
26,676 parcels · 32 districts
R-1-8
31%(8,246)
R-1-10
17%(4,574)
R-1-6
12%(3,300)
R-S
12%(3,211)
Other
28%(7,345)
ADU Rules
What can you build in Layton, UT?
Layton, 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
- –Maximum detached ADU size cap of 1,200 sq ft
- –Maximum detached ADU size is 50% of primary dwelling's livable area (excludes parking and non-habitable storage)
Max Units
- –1 ADU per single-family lot
Owner Occupancy
- –Owner must occupy either the principal dwelling or the ADU
Parking
- –1 space/ADU (in addition to primary); max 110% of minimum; cannot be in front/side setbacks unless on an approved driveway; street parking cannot satisfy minimum; reductions still require at least one off-street space per unit.
Rental Restrictions
- –Short-term rentals prohibited; ADU must be rented for 30 consecutive days or longer to the same occupant. One unit must be owner-occupied; cannot rent both the primary dwelling and the 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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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.
Davis County