Accessory Structures in Orem, UT (2026)
4 verified accessory structures rules for Orem, Utah, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Orem calls ADUs 'accessory apartments' and permits them in single-family homes (except R-5 zone). At least 3 paved off-street parking spaces are required. Sewer connection may be required. Units must meet full building code standards.
Orem Accessory Apartment (ADU) Rules
Some RestrictionsCity of Orem Accessory Apartment Requirements (Rev 6/2022)
Apartments can only be built or added in single-family detached homes not located in R-5 Zone, nor in a Planned Residential Development. At least three paved or asphalted off-street parking pads need to be provided. At least one of the required spaces must begin behind the front setback lines and no more than one (1) parking stall shall be within the side yard setback adjacent to a street. Outs...
Shed Rules
Orem does not require a building permit for sheds 200 sq ft or smaller on single/two-family lots (120 sq ft on multi-family). Site plan approval is still required. Structures with utilities always require a permit regardless of size.
Orem Shed & Accessory Structure Rules
Few RestrictionsGarage Conversions
Garage conversions to living space in Orem require a building permit and must meet residential code standards. Converting to an accessory apartment is subject to ADU rules including 3 paved parking spaces. Off-street parking minimums must still be met.
Orem Garage Conversion Rules
Some RestrictionsCarport Rules
Orem regulates carports as accessory buildings/structures under Chapter 22 of the City Code, with the core standards in Section 22-6-8(D). A detached accessory structure may not be placed in a front yard unless it is set back at least forty (40) feet from the front property line, must sit at least six (6) feet from the primary structure if it requires a building permit, and the combined footprint of all accessory buildings is capped at eight percent (8%) of the parcel for single-family lots (twelve percent for multifamily developments).
Carport Rules in Orem
Some RestrictionsLooking for Utah County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Orem city rules.
Accessory Structures in Utah County →