Cincinnati building & ADU permits
Recent permit activity, updated continuously.
Cincinnati sits on the Ohio River in southwest Ohio and regulates ADUs locally. Its CAGIS open data is released to the public domain; some downtown records lack a ZIP, so Igni falls back to coordinate reverse-geocoding before applying typed ADU classification.
Igni is tracking 2,386 residential and building permits in Cincinnati, OH. The most active ZIP is 45202. The most recent filing Igni tracked was Jul 30, 2026. All records come from data.cincinnati-oh.gov — CAGIS (Socrata), an official government open-data feed, and are refreshed continuously.
2386
Permits tracked
0
ADU permits
26
Distinct ZIP codes
Jul 30, 2026
Newest permit
Recent permits
A sample of the freshest permits in this jurisdiction — ZIP and city only (no street addresses).
| ZIP | Permit type | ADU type | Valuation | Applied |
|---|---|---|---|---|
| 45227 | Residential | — | $11,800 | Jul 30, 2026 |
| 45206 | Commercial | — | $3,000 | Jul 30, 2026 |
| 45229 | Commercial | — | $0 | Jul 30, 2026 |
| 45219 | Commercial | — | $0 | Jul 30, 2026 |
| 45207 | Residential | — | $8,000 | Jul 30, 2026 |
| 45219 | Commercial | — | $2,000 | Jul 30, 2026 |
| 45215 | Commercial | — | $2,275 | Jul 30, 2026 |
| 45238 | Residential | — | $40,898 | Jul 30, 2026 |
| 45219 | Residential | — | $8,000 | Jul 30, 2026 |
| 45212 | Residential | — | $5,500 | Jul 30, 2026 |
| 45220 | Commercial | — | $0 | Jul 30, 2026 |
| 45227 | Commercial | — | $0 | Jul 30, 2026 |
| 45203 | Commercial | — | $150,000 | Jul 30, 2026 |
| 45213 | Residential | — | $3,900 | Jul 30, 2026 |
| 45219 | Commercial | — | $0 | Jul 30, 2026 |
| 45237 | Residential | — | $9,288 | Jul 30, 2026 |
| 45203 | Commercial | — | $150,000 | Jul 30, 2026 |
| 45230 | Residential | — | $0 | Jul 30, 2026 |
| 45227 | Residential | — | $19,893 | Jul 30, 2026 |
| 45219 | Commercial | — | $90,000 | Jul 30, 2026 |
Top ZIP codes by recent activity
Housing law — Ohio
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.
Data source
Sourced from data.cincinnati-oh.gov — CAGIS (Socrata). PUBLIC_DOMAIN.
Nearby cities — Ohio
Learn more about ADUs & building permits
Background reading on accessory dwelling units, building permits, and how Igni turns Cincinnati permit records into leads.
Cincinnati permit data — FAQ
Where does Igni get Cincinnati permit data?
How fresh is Cincinnati permit data?
Does Cincinnati allow accessory dwelling units (ADUs)?
Get permit leads — Cincinnati
Fresh, filterable residential and ADU permit leads from Cincinnati — delivered before your competitors even know.
Informational only, not legal advice. Headline counts reflect all permits Igni has tracked for this jurisdiction; the table shows recent activity. Housing law changes — verify current statutes before relying on this.