Building Permits

Before beginning any new buildings, additions, alterations, repair/replacements, wreckings, relocations, and foundations, a $25 building permit is required from the Township office. Information needed for a building permit is the approximate cost of project, dimensions, and contractor name prior to obtaining a permit. Two blueprints will be needed if inspections are necessary. Any building less than 1000 square feet does not require a building inspection unless it is being attached to another structure. If you would like to talk with the inspector or the office secretary, contact the Municipal Code Association at 724-841-0141 for both building inspection information as well as sewage enforcement information.

mercer Twp-2021 BUILDING PERMIT PROCESS LETTER (pdf)

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Butler County Building Permit Application (pdf)

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2021 Municipal Code Assoc. Building Permit FEES (pdf)

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Municipal Code Assoc. Building Permit App. Checklist (pdf)

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Storm Water Management

Septic Systems/Public Sewer

Any building over 5000 square feet will need to be approved by the Township engineer and additional forms will be filled out before approving a building permit. Forms for less than 5000 square feet will need to be completed and will be kept on file at the Township office.

Septic Systems/Public Sewer

Most of Mercer Township is private sewer system. If you are wanting to have a perc test performed you will need to contact the Municipal Code Association at 724-841-0141.

The areas that have public sewer are the town of Forestville and Route #58 east and west within the township limits. Construction is scheduled to be completed by August 31, 2019. Residents will be informed by letter when they can begin tap-ins after August 31st.