ADUs are allowed in ColumbusTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Columbus, OH
Is your property eligible for an ADU?
# of Properties
307,586
Owner-occupied
54%
Zoning districts
205
Avg Home Value
$255,927
Median Lot Size
0.15 acres
Avg Income
$77,823
Residential Types:
307,586 housing units
Single Family
60%
2-3 Family
4%
Apts (4+ units)
5%
Condos
12%
Other
19%
Zoning Districts:
339,315 parcels · 205 districts
SR-H-35
12%(41,340)
R3-H-35
11%(37,101)
R2-H-35
11%(36,244)
R4-H-35
6%(20,387)
Other
60%(204,243)
ADU Rules
What can you build in Columbus, OH?
Columbus, OH follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: By Right
- –Detached ADU: By Right
Max Units
- –1 ADU per lot (TND NE/NG/NC)
Owner Occupancy
- –Owner must occupy either the principal building or ADU
Parking
- –1 space/ADU; required in NE/NG/NC; TC has no ancillary D.U. entry; no waivers.
What's allowed on your lot?
These are the municipality-wide rules. What's allowed on a specific property also depends on state laws, setbacks, floor area ratio, lot coverage, environmental constraints, topography, and other property-specific factors. Search your address on FutureLot to see what's allowed on your property.
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ADU rules in other Ohio municipalities
Rules change at the town line. Check the municipality your property is actually in.
Fairfield County
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