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ADU rules for Unincorporated Washington

Accessory Dwelling Unit (ADU) Rules for Unincorporated Washington, IN

Is your property eligible for an ADU?

# of Properties
8,937
Owner-occupied
24%
Zoning districts
13
Avg Home Value
$98,212
Median Lot Size
14.03 acres
Avg Income
$68,578
Residential Types:
8,937 housing units
Single Family
68%
Apts (4+ units)
24%
Other
8%
Zoning Districts:
15,240 parcels · 13 districts
A1
87%(13,273)
RR
10%(1,544)
R1
1%(219)
B-2
0%(64)
Other
1%(140)

ADU Rules

What can you build in Unincorporated Washington, IN?

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

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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How can we help you?

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Learn the key rules and size limits for ADUs

Is your property eligible for an ADU?

ADU rules in other Indiana municipalities

Rules change at the town line. Check the municipality your property is actually in.

Washington County