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ADUs are allowed in New Garden Township (Chester)
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Accessory Dwelling Unit (ADU) Rules for New Garden Township (Chester), PA

Is your property eligible for an ADU?

# of Properties
3,156
Owner-occupied
85%
Zoning districts
13
Avg Home Value
$203,215
Median Lot Size
0.68 acres
Avg Income
$141,885
Residential Types:
3,156 housing units
Single Family
2%
Other
98%
Zoning Districts:
4,071 parcels · 13 districts
R-1
49%(2,004)
R-2
23%(956)
R-4
10%(396)
UD
7%(269)
Other
11%(446)

ADU Rules

What can you build in New Garden Township (Chester), PA?

New Garden Township (Chester), PA follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.

Interior / Attached ADU Size Limits

  • Maximum size is 25% of the existing dwelling’s gross habitable area (measured before adding the unit); allowed only if the dwelling has at least 1,250 sq ft.

Owner Occupancy

  • Owner must occupy either primary residence or accessory apartment

Parking

  • 4 total spaces for an ADU in a single-family dwelling (2 per unit); driveways/garages may count toward required spaces; spaces must be 9 ft by 18 ft on an improved surface

ADU State Law

What can you build in Pennsylvania?

  • Pennsylvania does not have a statewide ADU mandate; ADU rules are set by individual municipalities.
  • Building/fire codes are set statewide, but whether an ADU is allowed is local zoning.

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 Pennsylvania municipalities

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

Chester County

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