ADUs are allowed in Antrim Township (Franklin)Types:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Antrim Township (Franklin), PA
Is your property eligible for an ADU?
# of Properties
6,488
Owner-occupied
72%
Zoning districts
9
Avg Home Value
$21,393
Median Lot Size
0.51 acres
Avg Income
$100,661
Residential Types:
6,488 housing units
Single Family
91%
Other
9%
Zoning Districts:
7,544 parcels · 9 districts
A
35%(2,663)
R-1
34%(2,544)
CC
14%(1,080)
R-2
12%(923)
Other
4%(334)
ADU Rules
What can you build in Antrim Township (Franklin), PA?
Antrim Township (Franklin), 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 size of 50% of the principal dwelling’s gross floor area
Detached ADU Size Limits
- –Maximum size of 50% of the principal dwelling's gross floor area
Max Units
- –1 ADU per lot (0.5+ acre). On 5+ acre lots, up to 5 ADUs per property (1 per 5 acres).
Rental Restrictions
- –Short-term rentals (<30 days) prohibited; long-term rentals permitted
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.
Franklin County