

ADUs are allowed in Whitemarsh Township (Montgomery)Types:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Whitemarsh Township (Montgomery), PA
Is your property eligible for an ADU?
# of Properties
6,245
Owner-occupied
92%
Zoning districts
32
Avg Home Value
$225,217
Median Lot Size
0.29 acres
Avg Income
$169,548
Residential Types:
6,245 housing units
Single Family
98%
Apts (4+ units)
1%
Other
1%
Zoning Districts:
7,275 parcels · 32 districts
B
26%(1,891)
A
23%(1,651)
AA
17%(1,206)
AAA
5%(333)
Other
30%(2,194)
ADU Rules
What can you build in Whitemarsh Township (Montgomery), PA?
Whitemarsh Township (Montgomery), PA follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: By Right
- –Detached ADU: By Right
Max Units
- –1 ADU on any legal building lot containing less than 10 acres; 2 ADUs on any legal building lot containing 10 or more acres; 1 ADU on any legal building lot in an Option One subdivision
Parking
- –0 spaces/ADU; Conservation Overlay ADUs have no parking standard; off-site parking may be approved by special exception under §116-185; general off-street parking rules apply if an ADU is treated as a dwelling
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.
Montgomery County
Abington Township (Montgomery)Cheltenham Township (Montgomery)Douglass Township (Montgomery)East Norriton Township (Montgomery)Horsham Township (Montgomery)Limerick Township (Montgomery)Lower Merion Township (Montgomery)Lower Pottsgrove Township (Montgomery)Lower Providence Township (Montgomery)Marlborough Township (Montgomery)Norristown Borough (Montgomery)Plymouth Township (Montgomery)Pottstown Borough (Montgomery)Skippack Township (Montgomery)Souderton Borough (Montgomery)Trappe Borough (Montgomery)Upper Dublin Township (Montgomery)Upper Gwynedd Township (Montgomery)Upper Merion Township (Montgomery)Upper Moreland Township (Montgomery)West Norriton Township (Montgomery)Whitpain Township (Montgomery)