Ohio (OH) Building Permit & Cost Directory
Explore municipal permit requirements, Bureau of Labor Statistics (BLS) contractor wages, and real-time residential cost calculators across all 88 counties in Ohio for 2026.
Ohio Residential Building Code & Licensing Overview
Statewide compliance standards and contractor mandates
Residential home renovations in Ohio 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 OH
Type your county or city name below to instantly isolate local building departments and cost calculators.
All Ohio Counties (88)
Click any county below to calculate local permit costs, view inspector notes, and check trade wages.
Adams County
Est. Permit: $138 • BLS $29.48/hr
Allen County
Est. Permit: $138 • BLS $29.48/hr
Ashland County
Est. Permit: $138 • BLS $29.48/hr
Ashtabula County
Est. Permit: $138 • BLS $29.48/hr
Athens County
Est. Permit: $138 • BLS $29.48/hr
Auglaize County
Est. Permit: $138 • BLS $29.48/hr
Belmont County
Est. Permit: $138 • BLS $29.48/hr
Brown County
Est. Permit: $138 • BLS $29.48/hr
Butler County
Est. Permit: $138 • BLS $29.48/hr
Carroll County
Est. Permit: $138 • BLS $29.48/hr
Champaign County
Est. Permit: $138 • BLS $29.48/hr
Clark County
Est. Permit: $138 • BLS $29.48/hr
Clermont County
Est. Permit: $138 • BLS $29.48/hr
Clinton County
Est. Permit: $138 • BLS $29.48/hr
Columbiana County
Est. Permit: $138 • BLS $29.48/hr
Coshocton County
Est. Permit: $138 • BLS $29.48/hr
Crawford County
Est. Permit: $138 • BLS $29.48/hr
Cuyahoga County
Est. Permit: $138 • BLS $29.48/hr
Darke County
Est. Permit: $138 • BLS $29.48/hr
Defiance County
Est. Permit: $138 • BLS $29.48/hr
Delaware County
Est. Permit: $138 • BLS $29.48/hr
Erie County
Est. Permit: $138 • BLS $29.48/hr
Fairfield County
Est. Permit: $138 • BLS $29.48/hr
Fayette County
Est. Permit: $138 • BLS $29.48/hr
Franklin County
Est. Permit: $138 • BLS $29.48/hr
Fulton County
Est. Permit: $138 • BLS $29.48/hr
Gallia County
Est. Permit: $138 • BLS $29.48/hr
Geauga County
Est. Permit: $138 • BLS $29.48/hr
Greene County
Est. Permit: $138 • BLS $29.48/hr
Guernsey County
Est. Permit: $138 • BLS $29.48/hr
Hamilton County
Est. Permit: $138 • BLS $29.48/hr
Hancock County
Est. Permit: $138 • BLS $29.48/hr
Hardin County
Est. Permit: $138 • BLS $29.48/hr
Harrison County
Est. Permit: $138 • BLS $29.48/hr
Henry County
Est. Permit: $138 • BLS $29.48/hr
Highland County
Est. Permit: $138 • BLS $29.48/hr
Hocking County
Est. Permit: $138 • BLS $29.48/hr
Holmes County
Est. Permit: $138 • BLS $29.48/hr
Huron County
Est. Permit: $138 • BLS $29.48/hr
Jackson County
Est. Permit: $138 • BLS $29.48/hr
Jefferson County
Est. Permit: $138 • BLS $29.48/hr
Knox County
Est. Permit: $138 • BLS $29.48/hr
Lake County
Est. Permit: $138 • BLS $29.48/hr
Lawrence County
Est. Permit: $138 • BLS $29.48/hr
Licking County
Est. Permit: $138 • BLS $29.48/hr
Logan County
Est. Permit: $138 • BLS $29.48/hr
Lorain County
Est. Permit: $138 • BLS $29.48/hr
Lucas County
Est. Permit: $138 • BLS $29.48/hr
Madison County
Est. Permit: $138 • BLS $29.48/hr
Mahoning County
Est. Permit: $138 • BLS $29.48/hr
Marion County
Est. Permit: $138 • BLS $29.48/hr
Medina County
Est. Permit: $138 • BLS $29.48/hr
Meigs County
Est. Permit: $138 • BLS $29.48/hr
Mercer County
Est. Permit: $138 • BLS $29.48/hr
Miami County
Est. Permit: $138 • BLS $29.48/hr
Monroe County
Est. Permit: $138 • BLS $29.48/hr
Montgomery County
Est. Permit: $138 • BLS $29.48/hr
Morgan County
Est. Permit: $138 • BLS $29.48/hr
Morrow County
Est. Permit: $138 • BLS $29.48/hr
Muskingum County
Est. Permit: $138 • BLS $29.48/hr
Noble County
Est. Permit: $138 • BLS $29.48/hr
Ottawa County
Est. Permit: $138 • BLS $29.48/hr
Paulding County
Est. Permit: $138 • BLS $29.48/hr
Perry County
Est. Permit: $138 • BLS $29.48/hr
Pickaway County
Est. Permit: $138 • BLS $29.48/hr
Pike County
Est. Permit: $138 • BLS $29.48/hr
Portage County
Est. Permit: $138 • BLS $29.48/hr
Preble County
Est. Permit: $138 • BLS $29.48/hr
Putnam County
Est. Permit: $138 • BLS $29.48/hr
Richland County
Est. Permit: $138 • BLS $29.48/hr
Ross County
Est. Permit: $138 • BLS $29.48/hr
Sandusky County
Est. Permit: $138 • BLS $29.48/hr
Scioto County
Est. Permit: $138 • BLS $29.48/hr
Seneca County
Est. Permit: $138 • BLS $29.48/hr
Shelby County
Est. Permit: $138 • BLS $29.48/hr
Stark County
Est. Permit: $138 • BLS $29.48/hr
Summit County
Est. Permit: $138 • BLS $29.48/hr
Trumbull County
Est. Permit: $138 • BLS $29.48/hr
Tuscarawas County
Est. Permit: $138 • BLS $29.48/hr
Union County
Est. Permit: $138 • BLS $29.48/hr
Van Wert County
Est. Permit: $138 • BLS $29.48/hr
Vinton County
Est. Permit: $138 • BLS $29.48/hr
Warren County
Est. Permit: $138 • BLS $29.48/hr
Washington County
Est. Permit: $138 • BLS $29.48/hr
Wayne County
Est. Permit: $138 • BLS $29.48/hr
Williams County
Est. Permit: $138 • BLS $29.48/hr
Wood County
Est. Permit: $138 • BLS $29.48/hr
Wyandot County
Est. Permit: $138 • BLS $29.48/hr
Frequently Asked Questions: Ohio Building Permits
How much does a building permit typically cost in Ohio?
Across Ohio, the baseline residential permit filing fee averages $138.20. 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 Ohio?
Yes. In virtually all Ohio 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 Ohio?
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 Ohio is approximately $29.48/hr, varying based on metropolitan vs rural location.