4-6-010 Residential Housing Construction (permanent)
Unofficial copy. It may be out of date. Not legal or zoning advice. Zoning rules change, and only the city or county can say for sure what is allowed on a property. Confirm with the city or county planning department before you buy, sign or build.
The official Box Elder County code is at https://www.boxeldercountyut.gov/241/Land-Use-Management-Development-Code.
Text pulled 2026-10-19 from this source.
Chapter 5-4 (Flood Damage Prevention) is a scanned image on the county's site and is not included.
Tables (like use tables) may not copy cleanly, so check any table against the official code.
Confirm anything here with Box Elder County planning before you rely on it.
A. Residential Facilities Constructed On-Site or Manufactured Off-Site. Residential facilities construction shall comply with all applicable regulations in effect in Box Elder County, be constructed on a legal lot in a zone which permits the residential facility, and obtain the appropriate building permit. A certificate of occupancy is required and will be issued upon finding that the residential facility has complied with the controlling regulations.
B. New On-Site Residential Facility Construction. New construction of residential facilities on site shall meet the requirements in the building codes adopted by the County, and be inspected by the local Building Official. Additions, alterations, foundations, and accessory buildings require building permits.
C. New Off-site Constructed Residential Facilities. New residential facilities constructed or manufactured off-site in a “factory” must be certified to be in compliance with the building codes adopted by the County or the National Manufactured Housing Construction and Safety Standards Act of 1974 and bear the approved U.S. Department of Housing and Urban Development approved (HUD) insignia. The HUD insignia may not be removed from its original location on the structure nor any unapproved modification made to the structure without approval of Box Elder County. Installation of an off-site manufactured residential facility that is designed to meet the requirements of the building codes shall be permanent and comply with building code requirements for component assemblies. The installation shall be designed to meet seismic and wind load requirements. A copy of the calculations shall become part of the building permit application.
D. Installation of the off-site manufactured residential facility constructed to meet HUD requirements and bears the insignia shall comply with the authorized “installation manual” which accompanies the unit from the factory. The installation shall be designed to meet seismic and wind load requirements. A copy of the calculations shall become part of the building permit application. The residential facility shall be permanently installed on an approved foundation which is constructed according to the HUD installation manual or the building codes adopted by the County.
4-2-040 General · 4-6-020 Previously Used and Older Residential Facilities