ADUs are allowed in DublinTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Dublin, OH
Is your property eligible for an ADU?
# of Properties
16,287
Owner-occupied
76%
Zoning districts
49
Avg Home Value
$534,571
Median Lot Size
0.28 acres
Avg Income
$167,140
Residential Types:
16,287 housing units
Single Family
60%
Apts (4+ units)
18%
Condos
15%
Other
7%
Zoning Districts:
18,393 parcels · 49 districts
PUD
52%(9,537)
PLR
25%(4,626)
R-1
5%(933)
BSD-R
3%(476)
Other
15%(2,821)
ADU Rules
What can you build in Dublin, OH?
Dublin, 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
Interior / Attached ADU Size Limits
- –Maximum size of 800 sq ft of gross floor area
Detached ADU Size Limits
- –Maximum detached accessory dwelling unit size of 800 sq ft of gross floor area.
Max Units
- –1 ADU per lot (BSD: single-family, two-family, townhouse; for townhouses without individual lots, 1 ADU per townhouse unit in the development). Historic Districts: 1 ADU per lot for single-family homes.
Owner Occupancy
- –Owner must occupy either the principal dwelling or the ADU.
Parking
- –0 spaces/ADU; no parking required for accessory uses; ADUs are not among the listed exceptions (e.g., day care, model home, pool)
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