ADU Rules in Columbus, OH — 2026 Guide
Check if your Columbus property qualifies for an ADU in 20 seconds
Columbus ADU Rules at a Glance
Columbus has limited ADU support. Here is what you need to know.
- Columbus does not have a formal citywide ADU ordinance.
- Accessory structures are allowed but cannot contain a kitchen (effectively banning rental ADUs).
- Zoning variances may permit ADU-like arrangements on a case-by-case basis.
- Several advocacy groups are pushing for a dedicated ADU policy.
What ReadyPermit Checks for Columbus Properties
Enter any Columbus address and get an instant ADU feasibility analysis covering:
Zoning Compliance
Verify your Columbus lot is zoned for ADU construction under current OH and local rules.
Setbacks & Coverage
Check required setbacks, lot coverage limits, and height restrictions for your specific parcel.
ADU Size Limits
Calculate the maximum ADU square footage allowed based on your lot size and primary dwelling.
Permit Requirements
Understand what permits and approvals Columbus requires before you can break ground.
Flood & Hazard Zones
Identify if your property falls in a flood zone, fire zone, or other hazard overlay.
Lot & Parcel Data
Pull parcel boundaries, lot dimensions, and existing structures from county records.
Check Your Columbus Property Free
Enter your address below. In under 20 seconds you will know if your Columbus lot qualifies for an ADU — no phone calls, no waiting.
No credit card required. Instant results.