

ADUs are allowed in Swatara Township (Dauphin)Types:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Swatara Township (Dauphin), PA
Is your property eligible for an ADU?
# of Parcels
9,963
Zoning districts
18
Median Parcel Size
0.21 acres
Zoning Districts:
9,939 parcels · 18 districts
R-S
51%(5,060)
R-M
28%(2,797)
R-ML
5%(546)
M-L
4%(395)
Other
11%(1,141)
ADU Rules
What can you build in Swatara Township (Dauphin), PA?
Swatara Township (Dauphin), 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 45% of the primary structure’s total floor area for an in-home accessory apartment
Detached ADU Size Limits
- –Maximum ADU size of 45% of the primary structure's total floor area
Max Units
- –1 accessory apartment per single-family detached residential lot
Parking
- –2 spaces/ADU; maximum not specified; exceptions: no extra parking if residents won't routinely operate a vehicle; reductions may be granted by ZHB as a special exception with on-site or abutting lot, or within 300 ft via guaranteed off-site arrangement.
Rental Restrictions
- –Detached ADU: Short-term rentals prohibited; addition of new rental units on the property is prohibited; homestays limited to rooms within an owner-occupied dwelling (not a separate unit).
- –Attached ADU: Addition of new attached ADU for short-term rental prohibited.
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.
Dauphin County
Derry Township (Dauphin)East Hanover Township (Dauphin)Gratz Borough (Dauphin)Harrisburg City (Dauphin)Highspire Borough (Dauphin)Hummelstown Borough (Dauphin)Londonderry Township (Dauphin)Lower Paxton Township (Dauphin)Lower Swatara Township (Dauphin)Middle Paxton Township (Dauphin)Royalton Borough (Dauphin)South Hanover Township (Dauphin)Susquehanna Township (Dauphin)Unincorporated DauphinWashington Township (Dauphin)West Hanover Township (Dauphin)