Bolthole Index

Franklin County, Ohio

Zoning, building permits and septic rules in Plain Township, Ohio

Plain Township is a township in Franklin County, Ohio. Plain Township adopts its own zoning, so inside its limits Plain Township’s rules apply, not the county’s. Septic permits inside Plain Township come from Franklin County. 3 rules below are quoted from official sources and independently re-checked, most recently on November 7, 2026. Rules for unincorporated land are on the Franklin County page.

Answers from the rulebook for Plain Township

Plain Township’s own rules

  • Local zoningPresent (with conditions)

    Land in the unincorporated territory of Plain Township, Franklin County, Ohio.

    • The Zoning Resolution applies to all land in Plain Township's unincorporated territory.
    • Unless otherwise exempted by applicable law, the Resolution affects all land, structures, and uses of land or structures.
    “140.01 Territorial Limits. The provisions of this Zoning Resolution shall apply to all land in the unincorporated territory of Plain Township.”

Rules another office applies inside Plain Township

Plain Township does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.

  • Building permitRequired

    One-, two-, and three-family residential structures and associated development inside Plain Township, Franklin County, Ohio.

    • The Franklin County Building Department issues permits for one-, two-, and three-family residential structures and associated development; Ohio issues commercial building permits.
    • Homeowners and/or building contractors in Plain Township must obtain zoning compliance from Plain Township and then apply to the Franklin County Building Department for the building permit.
    • The county directs applicants to Section 105.1 of the 2019 Residential Code of Ohio for when Building Department approvals are required.
    “Home owners and/or Building Contractors will be required to obtain a zoning compliance from the townships of Blendon, Jackson, Jefferson, Perry, Plain, Prairie, or Washington and then apply to this office for the building permit.”
  • Who permits septicCounty (with conditions)

    Household sewage treatment systems and individual sewage disposal systems inside Plain Township, Franklin County, Ohio.

    • Plain Township's zoning resolution requires individual sewage disposal systems to comply with all applicable Franklin County Health Department regulations.
    • For development on a tract of record at the zoning resolution's adoption date, individual sewage treatment or water supply serving more than 15 dwelling units or more than 50 percent of tract area within three years, whichever is more restrictive, requires written approval from the appropriate health authority.
    • Franklin County Public Health states that it reviews, inspects, and regulates sewage systems; its township service statement applies to a Village or Township in Franklin County.
    “We also review, inspect and regulate sewage systems.”

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.

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