Ohio · OHCoverage expanding
Ohio residential & ADU permit data
Three major metros across the Buckeye State
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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)
Major permit jurisdictions
ColumbusClevelandCincinnati
Why Igni for Ohio
Three major metros in Columbus, Cleveland and Cincinnati
Local-first permit intelligence where cities set their own rules
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Start tracking Ohio permits
Fresh, filterable residential and ADU permit leads — delivered before your competitors even know.
Permit data via municipal open-data portals and public records where available.
Informational only, not legal advice. Housing law changes — verify current statutes before relying on this.