4-6-020 Previously Used and Older Residential Facilities
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 It may be out of date.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.
Used off-site constructed residential facilities before being moved into Box Elder County or moved within Box Elder County shall:
A. Provide a certification from a qualified licensed professional approved by Box Elder County that the structure was constructed to meet HUD requirements and retains the insignia of approval, has not been modified, or, if it has been modified that such modification does not invalidate the original factory certification for its intended use.
B. Provide a certification from a qualified licensed professional approved by Box Elder County that the facility was constructed to meet building code requirements and has not been modified, or, if it has been modified that such modification does not invalidate the original approval of having been constructed to the requirements of the building codes adopted by the County.
C. If a residential facility does not meet the above criteria and the local Building Official is convinced that the plans for its installation in Box Elder County will bring it in to full compliance with the building codes, said Building Official may approve the plans and allow the residential facility to be moved to its intended permanent legal location in Box Elder County.
4-6-030.
Exterior Appearance Residential Facility (see also Section 5-1300 Conservation of Values).
Roof, exterior siding, dimensions, and skirting or foundation of a residential facility shall meet the following standards:
A. Roofs shall have a minimum pitch of tow and one-half (2.5) to twelve (12) over at least 75% of the structure and have a surface of wood shakes, wood or composition asphalt mineral surface shingles, concrete, fiberglass, or metal tiles, single-ply, slate, built-up gravel, or standing rib metal roofing. Roof overhangs must not be less than six (6) inches, including rain gutters which may account for up to four (4) inches of overhang measured from the vertical side of the dwelling.
B. Exterior siding materials shall consist of wood, masonry, concrete, stucco, “masonite”, metal or vinyl clad lap, or any material with similar appearance which meet the requirements of the building codes adopted by the County.
C. The minimum width of any dwelling shall be at least twenty (20) feet at the narrowest point of the main floor at ground level for at least twenty (20) feet measured at right angles to the width face exclusive of garage area.
D. Skirting is required with materials which meet the standards of the building codes adopted by the County and is aesthetically consistent with concrete or masonry type foundation materials. A masonry foundation constructed in accordance with plans and specifications available UPON REQUEST from Box Elder County is acceptable.
4-6-010 Residential Housing Construction (permanent) · 4-6-040 Storage Space Required for Residential Facilities