

ADUs are allowed in Upper Dublin Township (Montgomery)Types:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Upper Dublin Township (Montgomery), PA
Is your property eligible for an ADU?
# of Properties
8,844
Owner-occupied
93%
Zoning districts
28
Avg Home Value
$206,191
Median Lot Size
0.46 acres
Avg Income
$176,299
Residential Types:
8,844 housing units
Single Family
97%
Other
2%
Zoning Districts:
10,250 parcels · 28 districts
A
37%(3,771)
B
19%(1,969)
A-1
15%(1,522)
MD
13%(1,324)
Other
16%(1,664)
ADU Rules
What can you build in Upper Dublin Township (Montgomery), PA?
Upper Dublin 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: Conditional Use Permit
- –Detached ADU: Conditional Use Permit
Parking
- –2 off-street, all-weather spaces per dwelling unit on the same lot; in addition to any garage; no ADU-specific standard—Dwelling standard applies per §255-135.
Rental Restrictions
- –Occupancy limited to household employees, caretakers, caregivers, or owner's immediate family; covenant required to run with the land restricting use; no rental to unrelated tenants or the general public; short-term/transient rentals not allowed.
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 Gwynedd Township (Montgomery)Upper Merion Township (Montgomery)Upper Moreland Township (Montgomery)West Norriton Township (Montgomery)Whitemarsh Township (Montgomery)Whitpain Township (Montgomery)