ADUs are allowed in Middlesex Township (Cumberland)Types:Detached
Types:Detached
Accessory Dwelling Unit (ADU) Rules for Middlesex Township (Cumberland), PA
Is your property eligible for an ADU?
# of Properties
2,727
Owner-occupied
100%
Zoning districts
17
Avg Home Value
$240,549
Median Lot Size
0.63 acres
Avg Income
$91,066
Residential Types:
2,727 housing units
Single Family
69%
2-3 Family
3%
Apts (4+ units)
5%
Other
23%
Zoning Districts:
2,959 parcels · 17 districts
R-2
29%(857)
MU-2
21%(608)
R-1
20%(596)
MU-1
9%(263)
Other
21%(635)
ADU Rules
What can you build in Middlesex Township (Cumberland), PA?
Middlesex 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: Not permitted
- –Detached ADU: By Right
Detached ADU Size Limits
- –Maximum size of a backyard cottage is 1,200 sq ft.
- –Maximum size is 50% of the primary dwelling's total floor area.
Max Units
- –1 ADU per lot
Owner Occupancy
- –No owner-occupancy requirement for ADUs.
Parking
- –1 off-street space per ADU; max: none; spaces must be on the same lot as the principal use; short-term rentals require 1 space per 2 occupants.
Rental Restrictions
- –Short-term rentals require a special exception and must meet STR standards (permit/certificate, code compliance, posted notice, and 1 off-street space per 2 occupants); no minimum lease term or explicit ban on long-term rentals.
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.
Cumberland County