Building Setbacks & Zoning in Davis County, UT (2026)
3 rules for unincorporated Davis County, Utah.
Verified from official government sources
Setback Rules
In unincorporated Davis County's R-1 Residential Single-Family zone, County Code Section 15.20.1540 sets a 25-foot front yard, 25-foot rear yard, and 8-foot side yards on a minimum 9,000-square-foot lot. Section 15.20.140 layers on supplemental rules: yards must stay open to the sky, vehicles cannot park in the required front yard, and only listed features like bay windows and eaves are permitted to project into the setback.
R-1 Yard Setbacks in Davis County, Utah
Some RestrictionsDavis County Code §§ 15.20.1540, 15.20.140
Section 15.20.1540 Minimum Lot Standards All lots shall be developed and all structures and uses shall be placed on lots in accordance with the following standards: Lot area: nine thousand (9,000) square feet. Lot width: seventy-five (75) feet. Front yard: twenty-five (25) feet. Side yards: eight feet (each side.) Rear yard: twenty-five (25) feet. Building height: Two stories not to exceed thir...
Structure Height Limits
In the unincorporated R-1 single-family zone, Davis County Code Sec. 15.20.1540 caps homes at two stories and thirty feet, alongside a 9,000-square-foot minimum lot, 75-foot lot width, 25-foot front and rear yards, and 8-foot side yards. The county's separate Natural Resource zone runs a different ceiling of two and one-half stories or 35 feet under Sec. 15.20.1480.
Residential Height Limits in Davis County, Utah
Some RestrictionsDavis County Code Sec. 15.20.1540 (R-1 Zone); cf. Sec. 15.20.1480 (NR Zone)
All lots shall be developed and all structures and uses shall be placed on lots in accordance with the following standards: Lot area: nine thousand (9,000) square feet. Lot width: seventy-five (75) feet. Front yard: twenty-five (25) feet. Side yards: eight feet (each side.) Rear yard: twenty-five (25) feet. Building height: Two stories not to exceed thirty (30) feet.
Lot Coverage Limits
Davis County's residential zones control density through minimum lot size and yard setbacks rather than a fixed lot-coverage percentage. R-1 requires a 9,000-square-foot lot with 25-foot front/rear and 8-foot side yards. Utah law also bars cities from restricting internal ADUs by total lot size.
Lot Coverage and Lot Size in Davis County, Utah
Some RestrictionsUtah Code Sec. 10-9a-530(2)
In any area zoned primarily for residential use: (a) the use of an internal accessory dwelling unit is a permitted use; (b) ... a municipality may not establish any restrictions or requirements for the construction or use of one internal accessory dwelling unit within a primary dwelling, including ... total lot size.
All Davis County ordinances
See every category we cover for Davis County: parking, noise, fences, fires, animals, pools, and more.
Davis County Ordinance Hub →