

ADUs are allowed in Upper Allen Township (Cumberland)Types:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Upper Allen Township (Cumberland), PA
Is your property eligible for an ADU?
# of Properties
8,030
Owner-occupied
100%
Zoning districts
12
Avg Home Value
$297,358
Median Lot Size
0.26 acres
Avg Income
$109,551
Residential Types:
8,030 housing units
Single Family
75%
2-3 Family
1%
Apts (4+ units)
1%
Other
22%
Zoning Districts:
8,377 parcels · 12 districts
R-2
46%(3,829)
PRD
25%(2,070)
R-3
17%(1,386)
R-1
4%(371)
Other
9%(721)
ADU Rules
What can you build in Upper Allen Township (Cumberland), PA?
Upper Allen Township (Cumberland), 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
Interior / Attached ADU Size Limits
- –Maximum ADU size is 45% of the primary structure’s gross floor area
Detached ADU Size Limits
- –Maximum size of 45% of the primary structure's gross floor area
Owner Occupancy
- –Owner must occupy at least one unit
Parking
- –At least 3 parking spaces required; no maximum stated
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.
Cumberland County
Camp Hill Borough (Cumberland)Carlisle Borough (Cumberland)East Pennsboro Township (Cumberland)Hampden Township (Cumberland)Lower Allen Township (Cumberland)Middlesex Township (Cumberland)Monroe Township (Cumberland)North Middleton Township (Cumberland)Silver Spring Township (Cumberland)South Middleton Township (Cumberland)Unincorporated Cumberland