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
Cities we cover in Ohio
Live dataExplore live, sourced permit activity for each Ohio jurisdiction.
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
Ohio ADU & permit data — FAQ
Does Ohio allow accessory dwelling units (ADUs)?
Accessory dwelling units in Ohio are regulated locally; there is no statewide ADU mandate, so rules vary by city and county.
What is Ohio's missing-middle / upzoning law?
Ohio has no statewide upzoning law; residential density is set by local zoning.
Where does Igni get Ohio permit data?
Sourced live from the City of Cincinnati open-data portal (CAGIS building permits; public domain); plus Columbus and Cleveland.
Which Ohio cities does Igni cover?
Igni has live permit coverage for Cincinnati, Columbus, Cleveland in Ohio, with more jurisdictions expanding.
Start tracking Ohio permits
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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.