

ADUs are allowed in Chester City (Delaware)Types:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Chester City (Delaware), PA
Is your property eligible for an ADU?
# of Properties
9,504
Owner-occupied
43%
Zoning districts
17
Avg Home Value
$50,807
Median Lot Size
0.05 acres
Avg Income
$48,933
Residential Types:
9,504 housing units
Taxable Residential
100%
Zoning Districts:
14,451 parcels · 17 districts
R-3
48%(6,993)
R-2
14%(1,966)
C-1/R
11%(1,655)
C-2/R
8%(1,214)
Other
18%(2,623)
ADU Rules
What can you build in Chester City (Delaware), PA?
Chester City (Delaware), PA follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: Conditional Use Permit
- –Detached ADU: Conditional Use Permit
Detached ADU Size Limits
- –Maximum size of 900 sq ft for a detached accessory unit
Owner Occupancy
- –No owner-occupancy required.
Parking
- –2 spaces per dwelling outside the CBD; CBD requires no off-street parking; Unit for Care of Relative may waive parking if residents won't operate a vehicle
Rental Restrictions
- –ADU may host only relatives (max 2); no rental to unrelated tenants or as a separate dwelling; must be removed within 90 days after the relative leaves.
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.
Check my propertyHow can we help you?
Get matched with trusted local builders
Understand what's allowed on your property
Learn the key rules and size limits for ADUs
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
Aston Township (Delaware)Bethel Township (Delaware)Brookhaven Borough (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)Upper Darby Township (Delaware)