ADUs are allowed in Upper Darby Township (Delaware)Types:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Upper Darby Township (Delaware), PA
Is your property eligible for an ADU?
# of Properties
20,091
Owner-occupied
78%
Zoning districts
18
Avg Home Value
$145,512
Median Lot Size
0.07 acres
Avg Income
$89,578
Residential Types:
20,091 housing units
Taxable Residential
100%
Zoning Districts:
27,650 parcels · 18 districts
R-3
66%(18,327)
R-2
14%(3,738)
R-1
11%(3,173)
C-1
4%(1,036)
Other
5%(1,376)
ADU Rules
What can you build in Upper Darby Township (Delaware), PA?
Upper Darby Township (Delaware), PA follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: Special Permit
- –Detached ADU: Special Permit
Max Units
- –Single-family (detached/semidetached): none specified
- –Two-family/multifamily: 0 ADUs per lot
Parking
- –No ADU-specific parking minimum or maximum; detached ADUs must use the principal dwelling's existing driveway and no new driveways may be created.
Rental Restrictions
- –ADU occupancy limited to relatives of the principal dwelling’s occupants; renting to unrelated tenants prohibited.
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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ADU rules in other Pennsylvania municipalities
Rules change at the town line. Check the municipality your property is actually in.
Delaware County
Aston Township (Delaware)Bethel Township (Delaware)Brookhaven Borough (Delaware)Chester City (Delaware)Concord Township (Delaware)Haverford Township (Delaware)Marple Township (Delaware)Middletown Township (Delaware)Radnor Township (Delaware)Ridley Township (Delaware)Sharon Hill Borough (Delaware)Unincorporated DelawareUpper Chichester Township (Delaware)