Accessory Structures in Utah County, UT (2026)
2 county-level rules, plus city-specific rules for 5 cities in Utah County, Utah.
Verified from official government sources
ADU Rules
Utah County allows one Accessory Dwelling Unit per lot in unincorporated zones where ADUs are a permitted use, capped at 1,000 square feet for attached or detached units. UCLUO 8.116 sets separate size, parking, entrance, and lot-area rules for internal, attached, and detached ADUs.
Utah County Accessory Dwelling Unit Rules
Some RestrictionsUtah County Code, UCLUO Section 8.116 (Accessory Dwelling Units)
A maximum of one (1) Accessory Dwelling Unit shall be permitted on a Lot or Parcel. ... The Accessory Dwelling Unit shall only be occupied by one (1) Family. The Accessory Dwelling Unit shall be accessed by an independent entrance. ... An attached Accessory Dwelling Unit shall have a total maximum Floor Area of: 1,000 square feet for all habitable stories... An attached Accessory Dwelling Unit ...
ADU Rental Restrictions
A Utah County Accessory Dwelling Unit larger than 1,000 square feet, up to a 1,500-square-foot ceiling, requires the property owner to sign and record a covenant with the Utah County Attorney's Office locking the ADU's rent to moderate-income housing levels before any permit for that extra space can issue.
Utah County ADU Rent Restriction Covenant
Significant RestrictionsUtah County Code, UCLUO Section 8.116 (Accessory Dwelling Units)
between 1,001 and 1,500 square feet provided the property owner of record has signed and recorded a restrictive covenant and acknowledgement in a form acceptable to the Utah County Attorney's Office which acknowledges the Accessory Dwelling Unit on the subject property shall only be rented at an amount which qualifies as moderate income housing as defined by Utah State Code. Such form shall be ...
Accessory Structures by City in Utah County
5 cities in Utah County have their own accessory structures rules. Each link goes to that city's dedicated page with code citations.
3 verified rules • ADU Rules, Garage Conversions
6 verified rules • ADU Owner Occupancy, ADU Rental Restrictions
5 verified rules • ADU Impact Fees, ADU Owner Occupancy
4 verified rules • ADU Owner Occupancy, ADU Rental Restrictions
3 verified rules • ADU Rules, Garage Conversions
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