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ADU rules for White Plains

Accessory Dwelling Unit (ADU) Rules for White Plains, NY

Is your property eligible for an ADU?

# of Properties
13,610
Owner-occupied
60%
Zoning districts
38
Avg Home Value
$45,090
Median Lot Size
0.27 acres
Avg Income
$153,774
Residential Types:
13,610 housing units
2-3 Family
68%
Apts (4+ units)
8%
Other
25%
Zoning Districts:
17,761 parcels · 38 districts
R1-5
21%(3,655)
R1-12.5
13%(2,348)
RM-1.5
11%(2,027)
CB-4
10%(1,720)
Other
45%(8,011)

ADU Rules

What can you build in White Plains, NY?

White Plains, NY follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.

ADU State Law

What can you build in New York?

  • New York does not have a statewide ADU law; all ADU rules are set by individual municipalities.
  • ADUs may also be referenced as "accessory apartments" or "accessory living units," and definitions are not standardized statewide.

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 New York municipalities

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

Westchester County