ADUs are allowed in Unincorporated FranklinTypes:Internal
Types:Internal
Accessory Dwelling Unit (ADU) Rules for Unincorporated Franklin, OH
Is your property eligible for an ADU?
# of Parcels
0
Zoning districts
20
Zoning Districts:
96 parcels · 20 districts
R
25%(24)
R-1
17%(16)
PLR
15%(14)
GC
5%(5)
Other
39%(37)
ADU Rules
What can you build in Unincorporated Franklin, OH?
Unincorporated Franklin, OH follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: Conditional Use Permit
- –Detached ADU: Not addressed in the local bylaw
Interior / Attached ADU Size Limits
- –Maximum internal in-home apartment size of 816 sq ft
Owner Occupancy
- –Property owner must live on-site.
Parking
- –4 total off-street spaces required (2 for ADU + 2 for principal); garages count; hard all-weather surface required; per Sec 531 (2 spaces per dwelling).
Rental Restrictions
- –ADU occupancy limited to owner's family member; non-family rentals prohibited
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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Is your property eligible for an ADU?
ADU rules in other Ohio municipalities
Rules change at the town line. Check the municipality your property is actually in.
Franklin County