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ADUs are allowed in Washington Township
Types:DetachedInternal

Accessory Dwelling Unit (ADU) Rules for Washington Township, OH

Is your property eligible for an ADU?

# of Properties
15,175
Owner-occupied
76%
Zoning districts
32
Avg Home Value
$339,676
Median Lot Size
0.43 acres
Avg Income
$128,023
Residential Types:
15,175 housing units
Single Family
1%
Apts (4+ units)
98%
Other
1%
Zoning Districts:
16,080 parcels · 32 districts
PD-R
30%(4,747)
R-4
28%(4,553)
SU
16%(2,600)
R-3
5%(790)
Other
21%(3,390)

ADU Rules

What can you build in Washington Township, OH?

Washington Township, OH follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.

Detached ADU Size Limits

  • Maximum ADU size as an accessory structure: 720 sq ft on lots under 40,000 sq ft; 1,200 sq ft on lots 40,000 sq ft or larger.

Max Units

  • None

Parking

  • Case-by-case parking analysis required; on-street spaces within 300 ft may be considered (not in a Residence District or allocated for residential use); rear dwellings in the A District must meet the same parking/driveway standards as a principal dwelling; parking plan rejection is appealable.

Rental Restrictions

  • Short-term rentals require a conditional use permit; properties with more than two calls for service in the prior 12 months are ineligible to apply.

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.

Montgomery County