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Site Plans approved in every county in every state
| County | Permit Authority | Site Plan Notes |
|---|---|---|
| Salt Lake County | Salt Lake City Division of Building Services (incorporated areas); Greater Salt Lake Municipal Services District (MSD) for unincorporated areas including Magna, Kearns & Emigration Canyon | Salt Lake City requires electronic permit submission and plan review through ProjectDox, with concurrent review by Building, Zoning, Planning, Public Utilities, Engineering, Transportation, and Urban Forestry. A building permit is required for all fences regardless of height (Zoning Ordinance 21A.40.120). Floodplain properties near Neff’s Creek and other corridors trigger additional site plan review. Unincorporated county areas are served by the MSD at msd.utah.gov. |
| Utah County | Utah County Community Development (unincorporated areas); individual city building departments for Provo, Orem, American Fork, and other incorporated cities | Utah County’s most common setbacks are 30 feet front and 15 feet side and rear from property lines, varying by zone — setback distances must be clearly shown on submitted site plans. Site plans are required for new construction, additions, detached garages, accessory structures, decks over 30 inches above grade, and ADUs. Cities such as American Fork and Herriman explicitly require site plans showing setback measurements for all deck and accessory structure permits. |
| Davis County | Davis County Community Development & Building Inspection (unincorporated areas); individual city departments for Layton, Bountiful, Kaysville, and other cities | Properties along the Wasatch Front in Davis County face seismic risk from the Wasatch Fault and significant snow load requirements — both influence site plan review standards. Grading and drainage documentation is commonly expected given snowmelt and slope conditions along the foothills. Site plans are required for new construction, additions, accessory structures, pools, and ADUs. |
| Weber County | Weber County Planning & Zoning (unincorporated areas); individual city departments for Ogden and other incorporated cities | Weber County sits along the Wasatch Front seismic zone and requires site plans for new construction, room additions, detached garages, and accessory structures. Drainage from snowmelt is a common review consideration on sloped lots. Failure to obtain required permits can result in misdemeanor charges under Utah state law. |
| Washington County | Washington County Building Department (unincorporated areas); City of St. George Building & Development Services for incorporated areas | Washington County and St. George are among Utah’s fastest-growing areas, with active permit review for new home construction, room additions, pools, and ADUs. Steep terrain and desert washes in and around St. George can trigger floodplain review requirements. HOAs throughout the county commonly require site plans before approving exterior improvements such as fences, pools, and additions. |
| Cache County | Cache County Zoning Office (all permit applications); individual city departments for Logan and other incorporated cities | Cache County requires an approved Zoning Clearance and Site Plan from the Cache County Zoning Office before a building permit application can be processed — this step applies to all permit types. Site plans must accompany applications for new construction, additions, accessory buildings, and garages. Verify current submittal requirements directly with the Cache County Zoning Office. |
| Summit County | Summit County Building Department | Summit County requires site plans for all new construction, additions, accessory buildings, and garages. When lot slopes exceed 5%, structure heights exceed 28 feet, or setbacks are within 3 feet of required lines, plans must be prepared by a licensed surveyor, architect, or engineer. Plan sets are typically submitted at 11×17 to 36×48 inches. Snow load and steep-slope drainage considerations are key review factors in this mountain community. |
| Tooele County | Tooele County Planning & Zoning (unincorporated areas); City of Tooele Building Department for the city | Site plans are required for new construction, room additions, detached garages, and accessory structures throughout Tooele County. The county’s varied terrain — from the Great Salt Lake shoreline to elevated desert foothills — means drainage and grading details are commonly reviewed. HOA approval with site plan documentation is common in newer subdivisions. |
| Iron County | Iron County Building Department (unincorporated areas); Cedar City Building Division for the city | Iron County requires site plans for new construction, additions, accessory structures, and agricultural buildings on residential lots. Cedar City, the county seat and home to Southern Utah University, has an active permit review process for residential and commercial projects. Elevation and snow load considerations apply at higher altitudes throughout the county. |
| Box Elder County | Box Elder County Building & Planning (unincorporated areas); City of Brigham City for incorporated areas | Site plans are required for new construction, additions, detached garages, and accessory structures in Box Elder County. Floodplain properties near the Bear River and Great Salt Lake shoreline may trigger additional review requirements. Verify current requirements with the Box Elder County Building & Planning Department. |
| Millard County | Millard County Planning & Zoning | Millard County requires site plans for new construction, additions, and accessory structures. As a largely rural county with significant agricultural land, site plan review typically focuses on setbacks from property lines, access, and basic site feasibility. Verify current submittal requirements directly with the Millard County Planning & Zoning office. |
| Sanpete County | Sanpete County Planning & Zoning | Sanpete County requires site plans for new construction, additions, and accessory buildings. The county’s rural character and elevated terrain mean snow load and drainage from spring runoff are common review considerations. Setback compliance and access to the site are key items reviewers look for on submitted plans. |
| Sevier County | Sevier County Building & Zoning | Site plans are required for new construction, room additions, and accessory structures in Sevier County. Properties near the Sevier River floodplain may trigger additional drainage and grading review. Verify current requirements with the Sevier County Building & Zoning office before submitting your permit application. |
| Garfield County | Garfield County Planning & Zoning | Garfield County covers a vast area including Bryce Canyon country and Capitol Reef corridor communities. Site plans are required for new construction and major additions, with review focused on setbacks, access, and basic site feasibility given the rural and scenic landscape. Short-term rental and recreational cabin construction has increased permit volume in recent years. |
| Kane County | Kane County Planning & Building | Kane County, home to Kanab and proximity to Grand Staircase–Escalante, requires site plans for new construction, additions, and accessory structures. Tourism-related construction and short-term rental development have driven increased permit activity. Remote lot access and property line setbacks are common review focuses given the county’s rural and canyon terrain. |
| Carbon County | Carbon County Planning & Zoning (unincorporated areas); City of Price Building Department for incorporated areas | Carbon County requires site plans for new construction, additions, and accessory structures. Drainage from steep canyon terrain and coal country topography is a review consideration. The City of Price processes its own permits separately — verify requirements with the appropriate jurisdiction before applying. |
| Emery County | Emery County Planning & Zoning | Emery County requires site plans for new construction and major additions. As a rural county in the canyon lands of central Utah, site plan review focuses on property line setbacks, site access, and basic drainage. Verify current requirements with the Emery County Planning & Zoning office. |
| Grand County | Grand County Planning & Zoning (unincorporated areas); City of Moab Building Department for the city | Grand County and the City of Moab have seen significant growth in residential and lodging construction tied to outdoor tourism. Site plans are required for new construction, additions, and accessory structures. Moab’s city building department processes permits independently and has active review for short-term rental and ADU projects. Flash flood and desert wash proximity can trigger additional drainage review. |
| San Juan County | San Juan County Planning & Zoning | San Juan County is Utah’s largest county by area and encompasses significant tribal lands, canyon terrain, and remote rural parcels. Site plans are required for new construction and additions. Site plan review focuses on property line setbacks, access, and site feasibility. Verify requirements with the San Juan County Planning & Zoning office, as remote locations may present additional considerations. |
| Duchesne County | Duchesne County Planning & Zoning | Duchesne County in the Uinta Basin requires site plans for new construction, additions, and accessory structures. Oil and gas activity has historically driven some commercial construction in the area. Site plan review focuses on setbacks, access, and drainage. Verify current requirements with the Duchesne County Planning & Zoning office. |
| Uintah County | Uintah County Planning & Zoning (unincorporated areas); City of Vernal Building Department for the city | Uintah County and the City of Vernal require site plans for new construction, additions, detached garages, and accessory structures. The Uinta Basin’s energy sector drives commercial and industrial permit activity alongside residential growth. Review focuses on setbacks, access, and drainage in this high-desert basin environment. |
| Wasatch County | Wasatch County Community Development (unincorporated areas); City of Heber City Building Department for the city | Wasatch County has experienced rapid residential growth around Heber City and the Heber Valley. Site plans are required for new construction, additions, and accessory structures. Steep slopes, snowmelt drainage, and proximity to the Wasatch Fault make grading and drainage details important review elements. HOAs in newer developments commonly require site plans for exterior improvements. |
| Morgan County | Morgan County Planning & Zoning | Morgan County requires site plans for new construction, additions, and accessory structures. Situated along the Weber River corridor between the Wasatch Front and Uinta Mountains, sites with steep slopes may require additional grading and drainage documentation. Verify current submittal requirements with the Morgan County Planning & Zoning office. |
| Rich County | Rich County Planning & Zoning | Rich County in northeastern Utah is one of the state’s most rural counties, with permit activity centered around new construction, additions, and agricultural structures. Site plans are required for new construction. Review focuses on setbacks and access. Verify current requirements with the Rich County Planning & Zoning office. |
| Beaver County | Beaver County Planning & Zoning | Beaver County requires site plans for new construction, additions, and accessory structures. Located in south-central Utah between Iron and Millard Counties, site plan review focuses on setbacks, access, and drainage in this high-elevation rural environment. Verify current requirements with the Beaver County Planning & Zoning office. |
| Piute County | Piute County Planning & Zoning | Piute County is one of Utah’s smallest and least populous counties. Site plans are required for new construction and major additions. Review focuses on property line setbacks, access, and basic site feasibility. Verify current requirements with the Piute County Planning & Zoning office before submitting your application. |
| Wayne County | Wayne County Planning & Zoning | Wayne County, home to Capitol Reef National Park and the Fremont River corridor, has seen growth in tourism-related and short-term rental construction. Site plans are required for new construction and additions. Flash flood and canyon wash proximity can trigger additional drainage review. Verify requirements with the Wayne County Planning & Zoning office. |
| Juab County | Juab County Planning & Zoning (unincorporated areas); City of Nephi Building Department for the city | Juab County requires site plans for new construction, additions, and accessory structures. The county spans from the Great Basin floor to elevated terrain, making site-specific drainage and grading review relevant for sloped lots. Verify current submittal requirements with the Juab County Planning & Zoning office. |
| Daggett County | Daggett County Planning & Zoning | Daggett County is Utah’s least populous county, situated in the northeastern corner of the state near Flaming Gorge Reservoir. Site plans are required for new construction and additions. Recreational cabin and vacation home construction is common in this mountain and canyon landscape. Verify requirements with the Daggett County Planning & Zoning office. |