Bolthole Index

Allegheny County, Pennsylvania

Zoning, building permits and septic rules in McKeesport, Pennsylvania

McKeesport is a city in Allegheny County, Pennsylvania. McKeesport adopts its own zoning, so inside its limits McKeesport’s rules apply, not the county’s. 11 rules below are quoted from official sources and independently re-checked, most recently on November 12, 2026. Rules for unincorporated land are on the Allegheny County page.

Answers from the rulebook for McKeesport

McKeesport’s own rules

  • Building permitRequired

    Construction, alteration, replacement and repair of structures inside McKeesport city

    • Obtained in person from Community Development or directly from Building Inspection Underwriters
    “building permits are required for the construction, alteration, replacement, and repair of all structures.”
  • Certificate of occupancyRequired

    Occupancy permits for residential and commercial property inside McKeesport city

    • Required at the time of a sale of a property, residential and commercial
    • Sellers/agents schedule inspection before closing; allow minimum two weeks
    • Completed in person Mon-Fri 9 a.m.-4 p.m. at Community Development office

    occupancy permit fee, single/two-family: 75 USD per unit ($50 per unit multi-family; $125 per unit commercial/industrial)

    “occupancy permits are required at the time of a sale of a property. this applies to both residential and commercial properties.”
  • Local zoningPresent

    Land inside McKeesport city (Allegheny County) limits

    • Ordinance dated February 2017; later amendments not checked
    “city of mckeesport official zoning ordinance article iii establishment of districts and official zoning map”
  • Zoning districtsPublished

    Zoning districts inside McKeesport city

    • Residential R-1 to R-5, commercial C-1 to C-5, industrial I-G and I-U appear in the tables
    “table a: lot, yard and height requirements - residential districts.”
  • Minimum lot sizeDistrict specific (with conditions)

    Residential districts R-1 to R-5 inside McKeesport city (Table A)

    • Table columns extracted out of order; the first column (single family 8,000 sq ft) appears to be R-1 but district attribution should be verified
    • Other residential districts have smaller single-family minimums (e.g., 3,000, 4,000, 2,500 sq ft)
    • Reduced lot area allowed on blocks 60% or more developed

    single-family minimum lot area (first column): >= 8000 sq ft (other uses 15,000)

    “lot area minimum lot area (sq ft) single family: 8,000 other uses: 15,0000 single family: 3,000 (1)”
  • SetbacksDistrict specific (with conditions)

    Residential districts inside McKeesport city (Table A)

    • Column-to-district mapping garbled in extraction; first column values shown (single family front 30 ft, side 10 ft)
    • Rear yard noted as * = 20% of lot depth

    front yard, single family (first column): >= 30 ft · side yard, single family (first column): >= 10 ft

    “minimum front yard setback (ft) minimum side yard setback (ft) minimum rear yard setback (ft) single family: 30 other uses: 35 single family: 10 other uses: 15”
  • Lot coverageDistrict specific (with conditions)

    Residential districts inside McKeesport city (Table A)

    • Building coverage maximum 35% appears in the residential table; district mapping not verified; commercial/industrial districts have other limits

    maximum building coverage (as printed): <= 35 percent

    “building coverage maximum coverage 35% notes * 20% of lot depth”
  • Building heightDistrict specific (with conditions)

    Residential districts inside McKeesport city (Table A)

    • Multi-family height is set at conditional use approval
    • Commercial/industrial districts have separate heights (e.g., 35, 70, 40, 60 ft)

    maximum height, all uses besides multi-family: <= 35 ft (multi-family determined at conditional use approval)

    “height maximum height (ft) all uses besides multi-family: 35 multi-family: ***”
  • Manufactured homesLimited

    Mobile home parks inside McKeesport city

    • Mobile home park is a conditional use
    • Districts where allowed and treatment of individual manufactured homes outside parks not verified

    gross site area: >= 10 acres · minimum mobile home lot size: >= 5000 sq ft (10,000 sq ft for double unit) · maximum density: <= 8 lots per acre

    “§ 1331-405. mobile home park. a. gross site area shall be a minimum of ten (10) acres.”
  • Permit feesPublished

    Certain city permits and applications inside McKeesport city

    • Building permit fee schedule itself not found on this page; page undated, confirm current amounts

    occupancy permit, single/two-family: 75 USD per unit · residential zoning hearing board application: 500 USD (commercial $1,000)

    “occupancy permits are $75 per unit in single- and two-family dwellings.”
  • Permit processPublished

    Building permits inside McKeesport city

    • Applications online via BIU site; drawings can be submitted digitally to BIU
    “building permits can be obtained in person from the community development department or by contacting building inspection underwriters directly.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask McKeesport or Allegheny County directly.

  • Owner-builder exemption — Owner-builder exemption inside McKeesport city
  • Building code adopted — Building code inside McKeesport city
  • Inspections — Construction inspections inside McKeesport city
  • Minimum dwelling size — Minimum dwelling floor area inside McKeesport city
  • Living in an RV — RV occupancy inside McKeesport city
14 more unanswered
  • 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

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 McKeesport publishes no rule on the point, not that none exists. Allegheny County’s page lists the county offices to call.

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