Bolthole Index

Lawrence County, Pennsylvania

Zoning, building permits and septic rules in Wilmington Township, Pennsylvania

Wilmington Township is a township in Lawrence County, Pennsylvania. Wilmington Township adopts its own zoning, so inside its limits Wilmington Township’s rules apply, not the county’s. 10 rules below are quoted from official sources and independently re-checked, most recently on November 11, 2026. Rules for unincorporated land are on the Lawrence County page.

Answers from the rulebook for Wilmington Township

Wilmington Township’s own rules

  • Local zoningPresent

    Land inside Wilmington Township, Lawrence County, PA

    • Ordinance No. 105 dated 1987 as posted on the township site; later amendments were not checked.
    “an ordinance establishing comphensive zoning regulations for the township of wilmington, lawrence county”
  • Zoning districtsPublished

    Zoning districts inside Wilmington Township

    • Districts: R-1 and R-2 residential, C commercial, I industrial, A agricultural.
    “article iii r-1 residential district 12 article iv r-2 residential district 14 article v c-commercial district 16 article vi i-industrial district 19 article vii a-agricultural district 21”
  • Minimum lot sizeSpecified

    A-Agricultural District, inside Wilmington Township

    • Where water or sewer is not available, lot area is also subject to state environmental rules.

    min lot area: >= 40000 sq ft · min lot width: >= 150 ft

    “702.1 all lots shall not be less than forty thousand (40,000) square feet and lot widths not less than one hundred fifty (150) measured at the building line. [...] 702.2 the lot area when either or both water and sanitary sewers are not available shall be subject to all rules and regulations of the pennsylvania department of environmental resources.”
    One more reviewed finding on this topic
    • Specified — R-1 Residential District, inside Wilmington Township
      “302.1 minimum lot size shall be forty thousand (40,000) square feet and lot width of not less than one hundred fifty (150) feet measured at the building line, for all lots not served by public water and sanitary sewer systems. 302.2 minimum lot size shall be twenty thousand (20,000) square feet and lot width of not less than one hundred (100) feet measured at the building line, for all lots served by public water and sanitary sewer systems.”
  • SetbacksSpecified

    R-1 Residential District, inside Wilmington Township

    • Cross-references to Article IX sections 904.2, 910 and 917 may change yards.

    front yard: >= 50 ft · side yard: >= 20 ft · rear yard: >= 30 ft

    “304.1 front yard depth- fifty (50) feet (see also article ix, section 904.2, section 910 and section 917.) 304.2 side yard- twenty (20) feet. 304.2 rear yard depth- thirty (30) feet.”
  • Lot coverageSpecified

    A-Agricultural District, inside Wilmington Township

    max lot coverage: <= 30 percent

    “703.1 the total area of all buildings including accessory buildings shall not cover more than thirty (30) percent of the area of the lot.”
    One more reviewed finding on this topic
  • Building heightSpecified

    A-Agricultural District, inside Wilmington Township

    • See article IX, section 902.

    max building height: <= 35 ft

    “701.1 no building shall be erected in excess of thirty-five (35) feet (see article ix, section 902).”
    One more reviewed finding on this topic
  • Manufactured homesLimited

    Mobile home parks in the A-Agricultural District inside Wilmington Township

    • Conditional use only; permitted uses in A district list single-family dwellings and do not mention individual mobile homes.
    • Park max 10 acres; individual lots 15,000 sq ft with 100 ft width (section 800.34).

    max park size: <= 10 acres

    “-home occupations (800.7) -mobile home parks (800.34) [...] 800.34.1 size: all mobile home parks must have a maximum size of ten (10) acres in a contiguous parcel(s). 800.34.2 yard spaces: all mobile home parks shall have a front and rear yards of fifty (50) feet and side yards of thirty (30) feet. 800.34.3 individual mobile home lot: each individual mobile home lot within the park shall have an area of fifteen thousand (15,000) square feet with a minimum lot width of one hundred (100) feet.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Wilmington Township or Lawrence County directly.

  • Building permit — Building permits inside Wilmington Township
  • Owner-builder exemption — Owner-builder exemption inside Wilmington Township
  • Building code adopted — Building code inside Wilmington Township
  • Inspections — Building inspection inside Wilmington Township
  • Certificate of occupancy — Certificates of occupancy inside Wilmington Township
18 more unanswered
  • Minimum dwelling size
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Accessory dwellings
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • Agricultural exemption
  • Subdividing land
  • Driveway access
  • Building in a floodplain
  • Short-term rentals
  • Permit fees
  • Permit process

Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.

Unanswered questions are usually a sign that Wilmington Township publishes no rule on the point, not that none exists. Lawrence County’s page lists the county offices to call.

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