Bolthole Index

Butler County, Kansas

Zoning, building permits and septic rules in Walnut Township, Kansas

Walnut Township is a township in Butler County, Kansas. 5 rules below are quoted from official sources and independently re-checked, most recently on October 30, 2026. Rules for unincorporated land are on the Butler County page.

Answers from the rulebook for Walnut Township

Rules another office applies inside Walnut Township

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

  • Zoning districtsPublished (with conditions)

    Butler County zoning districts and district map applying inside Walnut township, where the land is unincorporated

    • The county's zoning districts apply only to unincorporated territory; Walnut township's own zoning status was not verified.
    • Districts listed in the table of contents include Agricultural (AG-40, AG-80), Rural Residential (RR), Residential (R), Manufactured Housing (MH), Commercial, Business Park, Industrial, Town (T), Planned Residential (PRD-A, PRD-B), and overlays such as Floodplain and Airport.
    “zoning districts and zoning district map established”
  • Minimum lot sizeSpecified

    AG-40 agricultural district lots inside Walnut township, where the land is unincorporated and zoned AG-40 under Butler County zoning regulations

    • Applies to every lot created after the effective date of these regulations; the lot must be eligible for a building permit for a residence.
    • Proviso in the same section for unusual lot configurations, dedication of land to public use, or other circumstances that results in a parcel under 40 acres; the captured text is cut off before the rest of that proviso, so its exact terms were not verified.
    • Applies only inside unincorporated territory; the county rule does not reach any incorporated city inside Walnut township, and whether any such city exists was not verified.

    minimum lot area for residence: >= 40 acres (approximately a quarter of a quarter section; unusual lot configurations and other circumstances proviso)

    “to be eligible for a building permit for a residence every lot created after the effective date of these regulations shall contain acreage equivalent to a quarter of a quarter section (approximately 40 acres) in areas zoned ag-40”
    One more reviewed finding on this topic
  • Building heightSpecified

    Buildings and structures in the AG-40 and AG-80 agricultural districts inside Walnut township, where the land is unincorporated, other than those actually used for agricultural purposes

    • Agricultural buildings and structures are excluded from this height limit.
    • Stated limit is 35 feet and/or two and one-half stories, as written in the section.

    maximum building height: <= 35 feet (buildings actually used for agricultural purposes excluded) · maximum stories: <= 2.5 stories (buildings actually used for agricultural purposes excluded)

    “7-501. height: buildings or structures other than those actually used for agricultural purposes shall not exceed 35 feet and/or two and one-half (2 ½) stories in height.”
  • Agricultural exemptionAvailable

    Land used for agricultural purposes inside Walnut township, where the land is unincorporated

    • Exemption covers land used for agricultural purposes as defined in the county zoning regulations.
    • New agricultural buildings are subject to setback requirements on land fronting designated Butler County collectors and arterials and state and federal highways, consistent with state law.
    • Any change from agricultural to non-agricultural use is subject to the zoning regulations.
    “all lands used for agricultural purposes, as defined in these regulations, are and shall be exempt from the restrictions and limitations of these regulations.”

Still unanswered

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

  • Building permit — Building permits for construction inside Walnut township
  • Owner-builder exemption — Owner-builder exemption for work inside Walnut township
  • Building code adopted — Building code adoption for land inside Walnut township
  • Inspections — Building inspections for construction inside Walnut township
  • Certificate of occupancy — Certificates of occupancy for buildings inside Walnut township
21 more unanswered
  • Local zoning
  • Minimum dwelling size
  • Setbacks
  • Lot coverage
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • Subdividing land
  • Driveway access
  • Building in a floodplain
  • Short-term rentals
  • Permit fees
  • Permit process

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

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