ADUs are allowed in HilliardTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Hilliard, OH
Is your property eligible for an ADU?
# of Properties
12,489
Owner-occupied
77%
Zoning districts
25
Avg Home Value
$386,539
Median Lot Size
0.22 acres
Avg Income
$133,675
Residential Types:
12,489 housing units
Single Family
76%
2-3 Family
1%
Apts (4+ units)
2%
Condos
11%
Other
10%
Zoning Districts:
13,490 parcels · 25 districts
PUD
58%(7,830)
R-2
15%(2,002)
R-3
12%(1,580)
HCD
3%(392)
Other
12%(1,686)
ADU Rules
What can you build in Hilliard, OH?
Hilliard, 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: By Right
Detached ADU Size Limits
- –Maximum size of 50% of the principal building floor area
- –Maximum size of 900 sq ft
Parking
- –1 space/ADU; max = 1 (min + 10%); PZC may reduce parking for transit/bike/ped access or with a parking study; off-street parking may be on site or within 300 ft.
Rental Restrictions
- –Short-term rentals allowed only where the district permits and with a Zoning Certificate; must meet §1121.06(i) standards (min 800 sq ft, occupancy/parking limits, no cooking in guest rooms, no exterior advertising/events).
- –In OH-RD, short-term rentals may not be within 1,000 feet of another.
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.
Franklin County