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ADUs are allowed in Park City
Types:DetachedInternal

Accessory Dwelling Unit (ADU) Rules for Park City, UT

Is your property eligible for an ADU?

# of Properties
5,893
Owner-occupied
28%
Zoning districts
25
Avg Home Value
$3,088,388
Median Lot Size
0.11 acres
Avg Income
$124,313
Residential Types:
5,893 housing units
Residential
100%
Zoning Districts:
11,782 parcels · 25 districts
RD
39%(4,554)
RC
13%(1,504)
SF
12%(1,426)
HR1
8%(953)
Other
28%(3,345)

ADU Rules

What can you build in Park City, UT?

Park City, UT follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.

Interior / Attached ADU Size Limits

  • Maximum size of 1,000 sq ft for an attached or internal accessory apartment
  • Maximum size of one-third of the primary dwelling’s gross floor area

Detached ADU Size Limits

  • Maximum ADU size of 1,000 sq ft
  • Maximum ADU size of one third of the principal dwelling’s floor area

Max Units

  • Accessory Apartment (attached or detached): 1 per lot.
  • Internal Accessory Dwelling Unit (IADU) in Single-Family Dwelling: 1 per lot on lots 6,000 sq ft or greater that contain one single-family dwelling.

Owner Occupancy

  • Single-family dwelling must be owner-occupied; only one unit may be rented.

Parking

  • 1 space per bedroom for ADUs (IADU: 1 space per ADU); on-site parking only (garages/paved driveways); on-street not counted; tandem allowed with a ≥25 ft driveway (or for vegetation preservation); in Historic Districts, IADU tandem may require a conditional use permit.

Rental Restrictions

  • Detached ADU: no nightly rentals; rental term at least 90 days.
  • Internal/Attached ADU: no rentals under 30 days; only one unit may be rented (the other must be owner-occupied).

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.

Wasatch County

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