How West Valley City Handles Accessory Structures: A Practical Guide
West Valley City maintains 113 local ordinances across all categories, and 5 of those deal specifically with accessory structures. Here is a breakdown of what the city actually requires, what is prohibited, and where West Valley City falls on the strict-to-permissive spectrum compared to other cities.
Shed Rules
Sheds under 200 sq ft exempt from building permit; all sheds must meet zoning setbacks and height limits.
Key details: Fact: Under 200 sq ft: no building permit. Fact: 3-foot side/rear setback typical for small sheds. Fact: Max height 15 feet in residential. Fact: Not allowed in front yards. Fact: Cannot be used as a dwelling.
Contact your local code enforcement office for specific penalty information.
If you are coming from a city with tighter rules, you will find West Valley City gives residents more flexibility on shed rules.
Tiny Homes
Tiny homes on foundations allowed as dwellings if meeting IRC; tiny homes on wheels classed as RVs and limited.
Key details: Fact: IRC Appendix Q tiny homes allowed on foundations. Fact: Must meet zoning lot size minimums. Fact: Tiny homes on wheels classified as RVs. Fact: RVs cannot be permanent dwellings on private lots. Fact: Licensed RV parks or MH communities only for THOWs.
Contact your local code enforcement office for specific penalty information.
Garage Conversions
Garage-to-living-space conversions require building permit and must preserve required off-street parking.
Key details: Fact: Building permit required. Fact: Must meet egress, insulation, HVAC codes. Fact: Replace required off-street parking. Fact: ADU rules apply if creating separate unit. Fact: Smoke/CO alarms required.
Contact your local code enforcement office for specific penalty information.
ADU Rules
Internal ADUs permitted by right in single-family zones under Utah HB 82; detached ADUs allowed with approval.
Key details: Fact: Internal ADUs permitted by right. Fact: Owner must occupy primary or ADU. Fact: 1 extra parking space required. Fact: Detached ADU size limit around 1,000 sq ft. Fact: Registration with city required.
Contact your local code enforcement office for specific penalty information.
Carport Rules
Carports in West Valley City require a building permit and must comply with Title 11 UDO setbacks: 20 ft front, 5 ft side, 10 ft rear in R-1 zones. Max coverage 40% of rear yard. Must match house roof pitch and color.
Key details: Permit Required: >200 sq ft or attached. Front Setback: 20 ft. Side Setback: 5 ft. Rear Setback: 10 ft. Max Height: 15 ft.
Building without permit: 2x permit fee penalty plus potential removal order. Setback violations: $150-$500 per violation plus removal. Canopy/tarp structures exceeding 180 days: daily fines of $50-$100.
The Bottom Line
West Valley City's accessory structures rules are a mixed bag. Some areas are strict, others are relaxed, and the details matter. The best approach is to check the specific rule that applies to your situation rather than assuming West Valley City is broadly strict or permissive.
This guide is based on West Valley City's current municipal code. Local rules can and do change, so check the individual ordinance pages for the latest details, penalties, and FAQs.