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ADUs are allowed in Brigham City
Types:DetachedInternal

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

Is your property eligible for an ADU?

# of Parcels
8,472
Zoning districts
27
Median Parcel Size
0.24 acres
Zoning Districts:
8,465 parcels · 27 districts
R-1-8
30%(2,546)
R-1-10
25%(2,133)
R-M-7
11%(963)
R-M-15
10%(827)
Other
24%(1,996)

ADU Rules

What can you build in Brigham City, UT?

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

Detached ADU Size Limits

  • Maximum size of 1,000 sq ft

Max Units

  • 1 ADU per lot

Owner Occupancy

  • Owner must reside on the property, in primary or ADU.

Parking

  • 1 on-site, hard-surface space/ADU; max cap: ≤25% above required off-street parking; exceptions: front-yard setback space allowed adjacent to driveway under certain conditions; conversions require replacing displaced parking on-site outside the front setback; must meet drive approach/curb-cut standards.

Rental Restrictions

  • Short-term rentals prohibited; ADU must be rented/occupied for 30+ consecutive days. A rental business license is required before renting.

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.

Box Elder County

Browse addresses by ZIP in Brigham City