3 county-level rules, plus city-specific rules for 4 cities in Franklin County, Ohio.
Verified from official government sources
Franklin County setbacks vary by township and municipality. Columbus R-2 zoning requires 25 ft front, 5 ft side, 20 ft rear setbacks. Unincorporated townships typically require 40 ft front, 10 ft side, 30 ft rear in rural residential districts.
Franklin County residential height limits typically 35 ft or 2.5 stories. Columbus Port John Glenn International Airport (CMH) airspace restrictions apply within 5 miles requiring FAA Form 7460-1 for structures over 200 ft. Accessory structures limited to 15 ft.
Franklin County lot coverage limits vary by zone. Columbus R-2 single-family allows 40 percent max building coverage. Impervious surface limits typically 60-65 percent including driveways and patios to support stormwater management in Scioto and Olentangy watersheds.
4 cities in Franklin County have their own building setbacks & zoning rules. Each link goes to that city's dedicated page with code citations.
See every category we cover for Franklin County — parking, noise, fences, fires, animals, pools, and more.
Franklin County Ordinance Hub →