Bolthole Index

Richland County, Ohio

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

Mifflin Township is a township in Richland County, Ohio. Mifflin Township adopts its own zoning, so inside its limits Mifflin Township’s rules apply, not the county’s. Septic permits inside Mifflin Township come from Richland County (Richland Public Health (Sewage Treatment Systems Program) · 419-774-4500). 3 rules below are quoted from official sources and independently re-checked, most recently on November 11, 2026. Rules for unincorporated land are on the Richland County page.

Answers from the rulebook for Mifflin Township

Mifflin Township’s own rules

  • Local zoningPresent (with conditions)

    Land inside Mifflin township, Richland County, Ohio: the township has its own zoning regulations, administered by its zoning inspector and zoning commission

    • The township page directs readers to the Richland County Regional Planning Commission for the most up-to-date version of the regulations, which it says change frequently.
    • Zoning district dimensional limits were not retrieved.
    “zoning in richland county is administered by the local political subdivisions. all the municipalities and 13 of the 18 townships in richland county are zoned.”

Rules another office applies inside Mifflin Township

Mifflin 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

    New single-family dwellings and other listed construction inside Mifflin township, permitted by the Richland County Building Department, which serves Richland County residentially except the City of Mansfield and the Village of Bellville

    • Applications need a site plan, an approved zoning permit in zoned townships, and an approved stormwater permit where the Richland County Soil and Water Conservation District has jurisdiction.
    • Plumbing permits come from the local health department.
    • Work without a permit is stopped and permit fees are doubled.
    • Exempt examples: an on-grade patio, re-shingling, and fences of 6 feet or less.
    • The Mifflin zoning permit is a separate local requirement.

    shed permit threshold: >= 200 square feet (or placed on a frost-protected foundation)

    “residentially, we serve all of richland county with the exception of the city of mansfield and the village of bellville.”
  • Who permits septicCounty (with conditions)

    Household sewage treatment systems not connected to a sanitary sewer, inside Mifflin township. Richland Public Health issues the permits and inspects.

    • Public sewer-connected systems are regulated by Ohio EPA.
    • Ohio Revised Code 3718 and the Ohio Administrative Code apply, plus Richland Public Health district rules.
    • The health department page also says shelby residents should contact the Shelby city health department. This does not apply to Mifflin township.
    “the sewage treatment systems program at richland public health protects homeowners and home builders throughout the county”

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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