Iowa (IA) Building Permit & Cost Directory
Explore municipal permit requirements, Bureau of Labor Statistics (BLS) contractor wages, and real-time residential cost calculators across all 99 counties in Iowa for 2026.
Iowa Residential Building Code & Licensing Overview
Statewide compliance standards and contractor mandates
Residential home renovations in Iowa are regulated under the state building code adapted from the International Residential Code (IRC). Permits are mandated for all structural repairs, complete roof replacements exceeding 100-200 square feet, HVAC compressor and furnace retrofits, and electrical service upgrades.
General contractors and trade specialists must carry valid state licenses and verified worker's compensation coverage.
Homeowners may pull permits on their primary dwelling, assuming full civil liability for code compliance and passing inspections.
Find Your County in IA
Type your county or city name below to instantly isolate local building departments and cost calculators.
All Iowa Counties (99)
Click any county below to calculate local permit costs, view inspector notes, and check trade wages.
Adair County
Est. Permit: $138 • BLS $29.42/hr
Adams County
Est. Permit: $138 • BLS $29.42/hr
Allamakee County
Est. Permit: $138 • BLS $29.42/hr
Appanoose County
Est. Permit: $138 • BLS $29.42/hr
Audubon County
Est. Permit: $138 • BLS $29.42/hr
Benton County
Est. Permit: $138 • BLS $29.42/hr
Black Hawk County
Est. Permit: $138 • BLS $29.42/hr
Boone County
Est. Permit: $138 • BLS $29.42/hr
Bremer County
Est. Permit: $138 • BLS $29.42/hr
Buchanan County
Est. Permit: $138 • BLS $29.42/hr
Buena Vista County
Est. Permit: $138 • BLS $29.42/hr
Butler County
Est. Permit: $138 • BLS $29.42/hr
Calhoun County
Est. Permit: $138 • BLS $29.42/hr
Carroll County
Est. Permit: $138 • BLS $29.42/hr
Cass County
Est. Permit: $138 • BLS $29.42/hr
Cedar County
Est. Permit: $138 • BLS $29.42/hr
Cerro Gordo County
Est. Permit: $138 • BLS $29.42/hr
Cherokee County
Est. Permit: $138 • BLS $29.42/hr
Chickasaw County
Est. Permit: $138 • BLS $29.42/hr
Clarke County
Est. Permit: $138 • BLS $29.42/hr
Clay County
Est. Permit: $138 • BLS $29.42/hr
Clayton County
Est. Permit: $138 • BLS $29.42/hr
Clinton County
Est. Permit: $138 • BLS $29.42/hr
Crawford County
Est. Permit: $138 • BLS $29.42/hr
Dallas County
Est. Permit: $138 • BLS $29.42/hr
Davis County
Est. Permit: $138 • BLS $29.42/hr
Decatur County
Est. Permit: $138 • BLS $29.42/hr
Delaware County
Est. Permit: $138 • BLS $29.42/hr
Des Moines County
Est. Permit: $138 • BLS $29.42/hr
Dickinson County
Est. Permit: $138 • BLS $29.42/hr
Dubuque County
Est. Permit: $138 • BLS $29.42/hr
Emmet County
Est. Permit: $138 • BLS $29.42/hr
Fayette County
Est. Permit: $138 • BLS $29.42/hr
Floyd County
Est. Permit: $138 • BLS $29.42/hr
Franklin County
Est. Permit: $138 • BLS $29.42/hr
Fremont County
Est. Permit: $138 • BLS $29.42/hr
Greene County
Est. Permit: $138 • BLS $29.42/hr
Grundy County
Est. Permit: $138 • BLS $29.42/hr
Guthrie County
Est. Permit: $138 • BLS $29.42/hr
Hamilton County
Est. Permit: $138 • BLS $29.42/hr
Hancock County
Est. Permit: $138 • BLS $29.42/hr
Hardin County
Est. Permit: $138 • BLS $29.42/hr
Harrison County
Est. Permit: $138 • BLS $29.42/hr
Henry County
Est. Permit: $138 • BLS $29.42/hr
Howard County
Est. Permit: $138 • BLS $29.42/hr
Humboldt County
Est. Permit: $138 • BLS $29.42/hr
Ida County
Est. Permit: $138 • BLS $29.42/hr
Iowa County
Est. Permit: $138 • BLS $29.42/hr
Jackson County
Est. Permit: $138 • BLS $29.42/hr
Jasper County
Est. Permit: $138 • BLS $29.42/hr
Jefferson County
Est. Permit: $138 • BLS $29.42/hr
Johnson County
Est. Permit: $138 • BLS $29.42/hr
Jones County
Est. Permit: $138 • BLS $29.42/hr
Keokuk County
Est. Permit: $138 • BLS $29.42/hr
Kossuth County
Est. Permit: $138 • BLS $29.42/hr
Lee County
Est. Permit: $138 • BLS $29.42/hr
Linn County
Est. Permit: $138 • BLS $29.42/hr
Louisa County
Est. Permit: $138 • BLS $29.42/hr
Lucas County
Est. Permit: $138 • BLS $29.42/hr
Lyon County
Est. Permit: $138 • BLS $29.42/hr
Madison County
Est. Permit: $138 • BLS $29.42/hr
Mahaska County
Est. Permit: $138 • BLS $29.42/hr
Marion County
Est. Permit: $138 • BLS $29.42/hr
Marshall County
Est. Permit: $138 • BLS $29.42/hr
Mills County
Est. Permit: $138 • BLS $29.42/hr
Mitchell County
Est. Permit: $138 • BLS $29.42/hr
Monona County
Est. Permit: $138 • BLS $29.42/hr
Monroe County
Est. Permit: $138 • BLS $29.42/hr
Montgomery County
Est. Permit: $138 • BLS $29.42/hr
Muscatine County
Est. Permit: $138 • BLS $29.42/hr
Obrien County
Est. Permit: $138 • BLS $29.42/hr
Osceola County
Est. Permit: $138 • BLS $29.42/hr
Page County
Est. Permit: $138 • BLS $29.42/hr
Palo Alto County
Est. Permit: $138 • BLS $29.42/hr
Plymouth County
Est. Permit: $138 • BLS $29.42/hr
Pocahontas County
Est. Permit: $138 • BLS $29.42/hr
Polk County
Est. Permit: $138 • BLS $29.42/hr
Pottawattamie County
Est. Permit: $138 • BLS $29.42/hr
Poweshiek County
Est. Permit: $138 • BLS $29.42/hr
Ringgold County
Est. Permit: $138 • BLS $29.42/hr
Sac County
Est. Permit: $138 • BLS $29.42/hr
Scott County
Est. Permit: $138 • BLS $29.42/hr
Shelby County
Est. Permit: $138 • BLS $29.42/hr
Sioux County
Est. Permit: $138 • BLS $29.42/hr
Story County
Est. Permit: $138 • BLS $29.42/hr
Tama County
Est. Permit: $138 • BLS $29.42/hr
Taylor County
Est. Permit: $138 • BLS $29.42/hr
Union County
Est. Permit: $138 • BLS $29.42/hr
Van Buren County
Est. Permit: $138 • BLS $29.42/hr
Wapello County
Est. Permit: $138 • BLS $29.42/hr
Warren County
Est. Permit: $138 • BLS $29.42/hr
Washington County
Est. Permit: $138 • BLS $29.42/hr
Wayne County
Est. Permit: $138 • BLS $29.42/hr
Webster County
Est. Permit: $138 • BLS $29.42/hr
Winnebago County
Est. Permit: $138 • BLS $29.42/hr
Winneshiek County
Est. Permit: $138 • BLS $29.42/hr
Woodbury County
Est. Permit: $138 • BLS $29.42/hr
Worth County
Est. Permit: $138 • BLS $29.42/hr
Wright County
Est. Permit: $138 • BLS $29.42/hr
Frequently Asked Questions: Iowa Building Permits
How much does a building permit typically cost in Iowa?
Across Iowa, the baseline residential permit filing fee averages $137.95. Total permit costs are calculated based on valuation formulas (typically $5 to $15 per $1,000 of project value) plus electrical, mechanical, and plan review inspection surcharges.
Do I need a building permit for roof replacement in Iowa?
Yes. In virtually all Iowa county jurisdictions, roof replacements involving more than 100 square feet (1 roofing square) or involving any structural decking, rafter, or truss repair require a formal building permit and at least one in-progress or final roof inspection.
What is the average trade wage for contractors in Iowa?
According to the latest Bureau of Labor Statistics (BLS) Occupational Employment and Wage Statistics (OEWS), the median hourly rate for licensed residential construction trades in Iowa is approximately $29.42/hr, varying based on metropolitan vs rural location.