Accessory Structures in Spanish Fork, UT (2026)
4 verified accessory structures rules for Spanish Fork, Utah, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Spanish Fork permits ADUs in residential zones (except A-E, R-4, R-5, R-O) with a minimum 6,000 sq ft lot. Owner-occupancy is required. Annual registration ($60) is mandatory. ADUs are not permitted as STRs.
Spanish Fork Accessory Dwelling Unit (ADU) Rules
Some RestrictionsSpanish Fork Accessory Dwelling Units
An ADU is a self-contained dwelling that may be located within a single-family dwelling or in a permanent accessory structure. Owner Occupancy: Required. Minimum of four (4) off-street parking spaces for external ADUs. Minimum of three (3) off-street parking spaces for internal ADUs. Only one (1) ADU per single-family dwelling. Permitted in all residential zones except for A-E, R-4, R-5 and R-O...
Shed Rules
Sheds and detached accessory structures in Spanish Fork require building permits. Structures under 200 square feet may qualify for a simplified permit process. Setback requirements from property lines apply.
Spanish Fork Shed and Accessory Structure Rules
Few RestrictionsSpanish Fork Building Permits — Accessory Structures
All of these are considered Accessory Structures and require a permit, including sheds, gazebos, detached carports, and detached garages.
Garage Conversions
Garage conversions to living space require a building permit in Spanish Fork. Converting a garage to an ADU or habitable space must meet all residential construction standards including insulation, egress, and parking replacement.
Spanish Fork Garage Conversion Rules
Some RestrictionsSpanish Fork Building Permits
Sheds, gazebos, detached carports, and detached garages are considered Accessory Structures and require a permit. Permits are required for electrical, framing, or plumbing work, as well as commercial projects, residential projects, sheds, fences, furnace & water heater change outs/new installation.
Carport Rules
Spanish Fork regulates carports as accessory structures under Spanish Fork City Code Sec. 15.3.24.090(A). All accessory structures require a building permit, must sit behind the front wall plane of the principal structure, and may not exceed 20 feet to the peak of the roof (24 feet on lots over a half-acre with matching setbacks). Detached structures over 200 square feet must maintain a minimum 5-foot setback to side and rear property lines. Combined detached accessory structure square footage cannot exceed 15% of the lot when entirely within the principal structure's setbacks, or 10% if located elsewhere on the lot.
Carport Rules in Spanish Fork
Some RestrictionsLooking for Utah County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Spanish Fork city rules.
Accessory Structures in Utah County →