Zoning, building permits and septic rules in Slippery Rock Township, Pennsylvania

Slippery Rock Township’s own rules

• Building permitRequired

  Erection, alteration, or improvement of any building in Slippery Rock Township.

  • The owner must apply to the Permit Officer and the Permit Officer must issue the permit before proceeding.

  “until such permit shall have been issued”

• Building code adoptedAdopted (with conditions)

  Construction regulated by the municipal building code inside Slippery Rock Township, Butler County, Pennsylvania.

  • The incorporated Uniform Construction Code is amended from time to time.

  “The Uniform Construction Code, contained in 34 PA Code, Chapters 401-405, as amended from time to time, is hereby adopted”

• Local zoningPresent (with conditions)

  Land inside Slippery Rock Township, Butler County, Pennsylvania.

  • The zoning map is kept on file at Township offices.

  “A map entitled the Slippery Rock Township Zoning Map is hereby adopted as part of this Chapter. The Zoning Map shall be kept on file and available for examination at the Township offices.”

• Zoning districtsPublished (with conditions)

  Zoning districts inside Slippery Rock Township.

  • The zoning map is available for examination at Township offices.

  “The Township is hereby divided into the districts set forth by this Chapter”

• Mandatory utility hookupConditional

  Planned residential developments of more than 35 housing units inside Slippery Rock Township.

  • Community sewer may be provided by connection to the Slippery Rock Municipal Authority system, another municipal system, a shared system for all units, or a combination; approval is contingent on Pennsylvania Department of Environmental Protection approval of a non-municipal system.

  planned residential development size: > 35 housing units (Community sewer requirement applies.)

  “Planned residential development of over 35 (thirty-five) housing units shall provide community sewer. This may be provided by connection to the Slippery Rock Municipal Authority system, another municipal system, a shared system for all housing units or any combination thereof. Approval of the planned residential development shall be contingent upon the Pennsylvania Department of Environmental Protection’s approval of any non-municipal system.”

• Subdividing landRegulated (with conditions)

  Subdivision and land development inside Slippery Rock Township.

  • Butler County's April 1, 2025 municipal-ordinance list marks Slippery Rock Township with an X for subdivision, denoting that the Township has its own municipal ordinance.

  “Chapter 22: Subdivision & Land Development”

• Building in a floodplainRequired

  Construction or development anywhere inside Slippery Rock Township, including identified floodplain areas.

  • The permit is issued only after conformity with the ordinance and other applicable codes is determined; before issuance, the administrator must determine whether other necessary state and federal permits have been obtained.

  “A Permit shall be required before any construction or development is undertaken within any area of the Township of Slippery Rock.”

• Permit feesVariable (with conditions)

  Building permits inside Slippery Rock Township.

  • The amount is established from time to time by resolution of the Board of Supervisors.

  “amount as established, from time to time, by resolution of the Board of Supervisors”

• Permit processPublished (with conditions)

  Building permits inside Slippery Rock Township.

  • When required, the application must include two sets of plans or specifications and location information; one approved set must remain at the building site and be accessible to Township officials.

  permit officer decision time: <= 7 days (Measured after receipt of the application.) · work commencement deadline: <= 90 days (Permit is canceled if active work has not commenced.)

  “An application for a permit shall be submitted to the Permit Officer on the form supplied by him and when required, shall be accompanied by two (2) sets of plans of specifications setting forth the extent and character of the work in all its structural parts, together with adequate information as to the location where the work is to be done.”

Still unanswered

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

• Owner-builder exemption — Owner-built residential construction inside Slippery Rock Township.
• Inspections — Ordinary residential building work inside Slippery Rock Township.
• Certificate of occupancy — Residential occupancy inside Slippery Rock Township.
• Minimum dwelling size — Single-family dwellings inside Slippery Rock Township.
• Minimum lot size — Residential lots inside Slippery Rock Township.

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.