ADU rules for Mason
Accessory Dwelling Unit (ADU) Rules for Mason, OH
Is your property eligible for an ADU?
# of Properties
12,078
Owner-occupied
81%
Zoning districts
30
Median Lot Size
0.34 acres
Avg Income
$141,749
Residential Types:
12,078 housing units
Single Family
78%
Condos
17%
Other
5%
Zoning Districts:
14,439 parcels · 30 districts
RES-PUD
27%(3,955)
R-3
17%(2,486)
R-4
16%(2,360)
R-6
16%(2,299)
Other
23%(3,339)
ADU Rules
What can you build in Mason, OH?
Mason, OH follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: Not addressed in the local bylaw
- –Detached ADU: Not addressed in the local bylaw
Parking
- –No ADU-specific parking standards; ADUs not referenced in Mason's zoning; rear dwellings must comply with all off-street parking requirements; no reductions or waivers for ADUs.
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.
Warren County