Ohio · OH
Ohio residential & ADU permit data
Three major metros across the Buckeye State
Housing law
Accessory dwelling units in Ohio are regulated locally; there is no statewide ADU mandate, so rules vary by city and county.
Ohio has no statewide upzoning law; residential density is set by local zoning.
Local zoning (no statewide mandate)
Jurisdictions we cover
ColumbusClevelandCincinnati
Why Igni for Ohio
Three major metros in Columbus, Cleveland and Cincinnati
Live Cincinnati permit data, sourced from official open data
Local-first permit intelligence where cities set their own rules
Start tracking Ohio permits
Fresh, filterable residential and ADU permit leads — delivered before your competitors even know.
Sourced live from the City of Cincinnati open-data portal (CAGIS building permits; public domain); plus Columbus and Cleveland.
Informational only, not legal advice. Housing law changes — verify current statutes before relying on this.