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ADUs are allowed in Radnor Township (Delaware)
Types:DetachedInternal

Accessory Dwelling Unit (ADU) Rules for Radnor Township (Delaware), PA

Is your property eligible for an ADU?

# of Properties
7,327
Owner-occupied
84%
Zoning districts
29
Avg Home Value
$722,271
Median Lot Size
0.39 acres
Avg Income
$189,703
Residential Types:
7,327 housing units
Other
100%
Zoning Districts:
10,638 parcels · 29 districts
R-5
27%(2,889)
R-1
22%(2,317)
R-4
12%(1,284)
R-2
11%(1,215)
Other
28%(2,933)

ADU Rules

What can you build in Radnor Township (Delaware), PA?

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

Parking

  • 2 spaces per dwelling unit; front-yard parking setback waiver if converting an attached garage reduces required spaces, subject to Township Engineer approval.

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.

Delaware County

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