

ADU rules for Uwchlan Township (Chester)
Accessory Dwelling Unit (ADU) Rules for Uwchlan Township (Chester), PA
Is your property eligible for an ADU?
# of Properties
5,576
Owner-occupied
92%
Zoning districts
13
Avg Home Value
$204,448
Median Lot Size
0.43 acres
Avg Income
$155,917
Residential Types:
5,576 housing units
Other
100%
Zoning Districts:
6,255 parcels · 13 districts
R-1
35%(2,186)
R-2
22%(1,388)
PRD
17%(1,069)
R-A
8%(510)
Other
18%(1,102)
ADU Rules
What can you build in Uwchlan Township (Chester), PA?
Uwchlan Township (Chester), PA follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: Not addressed in the local bylaw
- –Detached ADU: Not addressed in the local bylaw
Parking
- –2 off-street spaces per ADU (in addition to those for the principal dwelling); no max specified; applies only to Guesthouse as an accessory dwelling on properties with >1 historic resource; guest stays limited to 90 consecutive days in any 180-day period; amenities limited to guests.
Rental Restrictions
- –Guesthouse ADU: max 90 consecutive days in any 180-day period; long-term rentals prohibited; no walk-in trade.
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.
Chester County
Charlestown Township (Chester)Downingtown Borough (Chester)East Bradford Township (Chester)East Brandywine Township (Chester)East Caln Township (Chester)East Goshen Township (Chester)East Marlborough Township (Chester)East Nottingham Township (Chester)Easttown Township (Chester)East Vincent Township (Chester)East Whiteland Township (Chester)Kennett Township (Chester)Lower Oxford Township (Chester)New Garden Township (Chester)New London Township (Chester)Schuylkill Township (Chester)Tredyffrin Township (Chester)Upper Uwchlan Township (Chester)West Brandywine Township (Chester)West Caln Township (Chester)West Chester Borough (Chester)West Fallowfield Township (Chester)West Goshen Township (Chester)West Pikeland Township (Chester)