Bolthole Index

Henry County, Ohio

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

Napoleon Township is a township in Henry County, Ohio. Napoleon Township adopts its own zoning, so inside its limits Napoleon Township’s rules apply, not the county’s. Septic permits inside Napoleon Township come from Napoleon Township. 8 rules below are quoted from official sources and independently re-checked, most recently on October 23, 2026. Rules for unincorporated land are on the Henry County page.

Answers from the rulebook for Napoleon Township

Napoleon Township’s own rules

  • Local zoningPresent (with conditions)

    Land inside Napoleon Township, Henry County, Ohio.

    • Henry County Planning is identified as the zoning inspector for Napoleon Township; the published page does not provide the township ordinance text or district schedule.
    “Napoleon Township Henry County Planning 1823 Oakwood Ave Napoleon, OH 43545 419.599.7370”

Rules another office applies inside Napoleon Township

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

  • Who permits septicLocal (with conditions)

    Household sewage treatment systems serving property inside Napoleon Township.

    • The source states that the Health Department issues installation and operating permits for household sewage treatment systems.
    “The Health Department issues permits to install and operate household sewage treatment systems (septic systems).”
  • Septic permitRequired

    Installation and operation of a household sewage treatment system serving property inside Napoleon Township.

    • For a new system, obtain a soil evaluation and qualified design, apply for a site evaluation, and submit an installation-permit application to the Henry County Health Department.
    “Obtain a soil evaluation from a qualified Soil Evaluator. Obtains a Sewage Treatment System design plan written by a qualified Sewage Treatment System Designer. The soil report is used by the designer to properly locate and size the system.”
  • Off-grid sanitationLimited

    Private household sewage treatment systems serving property inside Napoleon Township.

    • Installation and operation require Health Department permits; proposed systems are subject to site evaluation, soil evaluation, and design review.
    “The Health Department issues permits to install and operate household sewage treatment systems (septic systems).”
  • Well permitRequired

    Installation or alteration of a private well or other private water system inside Napoleon Township.

    • The listed private-water systems include wells, ponds, hauled-water storage tanks, and cisterns.
    “a permit from the health department must be obtained”
  • Subdividing landRegulated (with conditions)

    Land divisions inside Napoleon Township meeting the Henry County major-subdivision definition.

    • A major subdivision is a division into five or more parcels each under five acres, or one involving the opening, widening, or extension of a public or private street.
    • A plat requires approval by the Planning Commission and Board of County Commissioners and recording with the County Recorder.

    major subdivision parcel threshold: >= 5 parcels (Each parcel is under 5 acres; street opening, widening, or extension independently triggers the definition.)

    “applicable to all subdivisions of land within the unincorporated areas of Henry County”
  • Building in a floodplainRequired

    Development inside Napoleon Township in a Henry County special flood-hazard area involving one or more acres of earth-disturbing activity.

    • Before a flood-hazard development permit, the owner or developer must submit the EPA-approved soil erosion and sedimentation-control plan and approval documentation.
    • For less than one acre, the Planning Commission may require a plan where appropriate.

    earth-disturbing area threshold: >= 1 acre (Includes filling, grading, and excavating.)

    “When a proposed development area consists of 1 or more acres of earth-disturbing activities (e.g., filling, grading, excavating), the developer and/or owner of record shall develop and submit to the Ohio Environmental Protection Agency for review and approval, a soil erosion and sedimentation control plan.”
  • Permit processPartial

    Private household sewage-system installation serving property inside Napoleon Township.

    • This claim concerns the health-department sewage permit process only, not a general building-permit process.
    “Apply to the Henry County Health Department for a Site Evaluation.”

Still unanswered

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

  • Building permit — Residential construction inside Napoleon Township.
  • Owner-builder exemption — Owner-built residential construction inside Napoleon Township.
  • Building code adopted — Building construction inside Napoleon Township.
  • Inspections — Building inspections inside Napoleon Township.
  • Certificate of occupancy — New or altered buildings inside Napoleon Township.
13 more unanswered
  • Zoning districts
  • Minimum dwelling size
  • Minimum lot size
  • Setbacks
  • Lot coverage
  • Building height
  • Camping on your land
  • Tiny homes
  • Accessory dwellings
  • Mandatory utility hookup
  • Agricultural exemption
  • Short-term rentals
  • Permit fees

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

Off-grid gear

Going off-grid in Napoleon Township means bringing your own water and power. The kit we’d start with:

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