General Contractor in Centerville, Utah

Centerville's Zoning Code sets detached ADU rules in Chapter 12.58, enacted by Ordinance 2026-20 on September 15, 2026, and internal ADU rules in Chapter 12.60. The Zoning Administrator approves both kinds. Chapter 12.58 sets conditions for a detached ADU that include these, in its own order.

• A detached ADU only in combination with a primary single-family dwelling, on a property its owner occupies
• One detached ADU on a lot of 8,500 square feet or more with a primary single-family dwelling in a primarily residential zone, and no more than one detached and one internal ADU on the same owner-occupied lot, with parking for each in addition to the home's
• No sale or subdivision of the unit apart from the home, and separate meters allowed for water, gas, and electric service, each in the owner's name
• A setback of at least 8 feet from every rear property line on an interior lot, or on a corner lot, 8 feet from the side property line behind the home's rear wall and from the one on its interior side, and 20 feet from the front property line on its non-interior side, with the zone's accessory building rules otherwise applying and no second story
• At least one of the home's exterior materials on 20 percent of all facades, a pitched roof unless the home's is flat, and the home's color on at least 50 percent of the facades
• No construction within a recorded easement, public utility easements included
• At least one added parking space for a unit smaller than 650 gross square feet and two for one of 650 gross square feet or larger, with the home's own required parking kept or restored, tandem allowed, and every required space behind the front yard setback line
• A permanent structure fixed to a foundation or concrete slab, with exterior lighting directed downward
• Translucent windows or skylights on a facade within 15 feet of an abutting property that holds a single-household, twin home, or duplex dwelling
• No construction on slopes of 30 percent or greater
• A maximum height of 16 feet, a gross area of 350 to 1,250 square feet with a basement allowed and counted, no level over 800 square feet, and at least 6 feet between the unit and the main building
• Occupancy by one family unit, and no rental for fewer than 90 consecutive days, with a notice of the approved unit that the city records with the Davis County Recorder
• A nonconformities determination for a structure permitted before October 1, 2026, that is intended as a detached ADU and cannot satisfy the chapter's standards, and conversion of a detached building that meets the height, building envelope, setback, and property coverage requirements, where its existing setbacks are not further reduced and it complies, or can be altered to comply, with the city's zoning, building, and fire codes
• An owner with at least a 50 percent interest living in the home or the ADU as a sole primary residence for at least 183 consecutive days each year
• A Detached ADU License and notarized owner occupancy affidavit before the unit is built or used
• A one-time absence waiver of up to three years and one month for causes such as a relocation for work, a military assignment, or sabbatical leave
• No new distinct address for the unit

Chapter 12.60 sets conditions for an internal ADU that include these, in its own order.

• A unit only within a primary single-family dwelling that its owner occupies, in a primarily residential zone, and one per lot larger than 6,000 square feet under Section 12.60.060; Section 12.60.070 sets the minimum lot size at 6,000 square feet or more
• No short-term rental for fewer than 30 consecutive days, and a notice of each approved internal unit recorded by the city with the Davis County Recorder
• A unit created from existing living area, an attic, or a basement, by adding floor area, or as part of a new home's design, with a garage converted only when its required parking stalls are provided in another location the city approves
• The main building's setbacks and height, and at least one added parking space, tandem allowed, behind the front yard setback line, with the home's own required parking kept or restored
• Only one additional entrance on the facade visible from the adjacent street, and a design that does not change the home's appearance
• The same 50 percent ownership interest and 183-day residency for the owner, occupancy by family members or long-term tenants renting for 30 days or more, an Internal ADU License and notarized owner occupancy affidavit, and a one-time absence waiver of up to three years and one month
• No new address from the city, with separate mail delivery allowed at the home's address under a numerical or alphabetical unit reference that the Public Works Director, the local postmaster, and emergency service agencies approve, or through the unit's own postal box

Utah's ADU statutes apply in Centerville as well, as our ADU page explains.

Sources: Centerville Zoning Code, Chapter 12.58; Chapter 12.60; Planning and Zoning Permits; Planning Commission agenda, September 23, 2026. That agenda listed a discussion of potential updates to the detached ADU rules. We confirm the chapter in force for your lot, and each of its conditions, during preconstruction.

Utah ADU Law and Building Code