Building permits, zoning and land rules in Montgomery County, Kansas

Montgomery County requires a construction permit from the Zoning Administrator before construction of a structure or preliminary improvement of land begins within the county zoning jurisdiction¹. The jurisdiction is the area adopted by the county governing body and shown on the official zoning district map; the county's current permit page describes it as a three-mile zoning area⁴. The permit costs $75, must satisfy the zoning regulations, and is normally issued or refused within five days unless the applicant agrees to more time^1,2. County inspections cover compliance of buildings, structures and land uses with zoning rules, but the reviewed county material does not establish a general building-code inspection program¹. We could not confirm an adopted county building code or a certificate-of-occupancy requirement; ask Environmental Health & Zoning what review the particular parcel and project require³.

Montgomery County Environmental Health & Zoning is the first call for construction permits, zoning, land divisions and septic questions³. A permit application identifies the proposed use, zoning, floodplain status, utility availability and wastewater needs; the Zoning Administrator may issue the permit only when the zoning requirements are met¹. In residential, business and industrial districts listed by the county, the applicant must provide written proof that electrical, water and sewage service are available before a construction permit can issue¹. Dividing land is a separate process: a subdivision application goes to the Zoning Administrator with 20 preliminary-plat copies and a fee of $100 per lot, capped at $500 per subdivision¹. For a rural address, GIS Mapping requires a clear driveway from the county road to the parcel edge⁷. Public Works handles county-road entrance requests, while a connection to a state highway requires a state permit^8,9.

Montgomery County has 11 zoning districts within the jurisdiction shown on its official zoning maps, including agricultural, residential, commercial, industrial and public-use districts⁴. The map—not a blanket countywide assumption—determines whether county zoning applies to a parcel⁴. Dimensional rules then depend on the district and utility service: where public sewer serves residential land, published minimum lot sizes are 10,000 square feet in R-1 and 8,000 square feet in R-2, with separate R-3 standards⁴. In A-1 agricultural districts the minimum lot area is 3 acres, with an exception for a separately owned smaller lot that existed when the rule was adopted⁴. Structures must sit at least 25 feet from a public road right-of-way, side yards must be at least 8 feet, and a rear yard abutting another owner must also be at least 8 feet⁴. Several districts cap habitable structures at 35 feet, with district-specific FAA rules also applicable in some places⁴. The A-1 district does not regulate or restrict agricultural uses, but that language is not a blanket exemption from every permit or law⁴.

Montgomery County Environmental Health & Zoning administers individual onsite wastewater systems, including septic systems and lagoons, under the County Sanitation Code³. The county publishes a $150 wastewater inspection fee; ask the office when payment is due and what installation charges apply^2,3. A mandatory onsite wastewater inspection applies to a property under 25 acres in a sale, lease or rental transaction where an individual system serves the home, so build the inspection into a purchase timeline⁵. Kansas minimum standards allow an approved septic system, wastewater pond or alternative system when public sewer is unavailable, but prohibit seepage pits, cesspools, dry wells and surface discharge¹⁰. Soil planning matters in Montgomery County because 0% of mapped soils are rated free of severe limitations for a conventional drain field, so complete the site evaluation before fixing a house location¹¹. A new individual onsite water well also requires a county permit, with a published $50 drilling-permit fee^2,5. Montgomery County does not provide water service; rural water districts serve different parts of the county⁸.

Montgomery County's RV rules address temporary occupancy in regulated RV parks, from overnight stays to destination stays measured in days or weeks; they do not establish a right to live long-term in an RV on a private parcel⁴. Tent rules likewise apply inside regulated RV parks: one tent is allowed per rental space, while group camping needs water, nearby restrooms and adequate off-street parking⁴. Ask Environmental Health & Zoning directly about an RV used while building or as a residence on private land³. Tiny homes are not expressly addressed, and we could not confirm a minimum dwelling floor area or an accessory-dwelling rule. Mobile homes with ground anchors, tie-downs and proper skirting are identified as single-family homes in A-1, while R-4 contains separate manufactured-home park standards⁴. Any occupied setup still needs an approved wastewater solution¹⁰.

1. Ask Environmental Health & Zoning to locate the parcel on the official zoning map and identify its district^3,4.
2. Confirm the district's allowed use, lot size, setbacks and height before placing the house⁴.
3. Apply for the $75 construction permit before construction or preliminary land improvement; the normal decision period is five days unless more time is agreed^1,2.
4. Provide written utility-availability proof when building in one of the listed residential, business or industrial districts¹.
5. Start the septic or lagoon process with Environmental Health & Zoning and arrange the inspection³.
6. Coordinate the road entrance with Public Works, then obtain the rural address from GIS Mapping after the driveway is clear^7,8.

Start with jurisdiction: have Environmental Health & Zoning verify the parcel against the official zoning map, identify the district and check the floodplain answer requested on the land-use application^3,4. If the purchase involves a split, confirm the subdivision process before relying on a proposed parcel layout; a tract or lot split cannot be approved if it leaves less than 50 feet of street frontage, and division of a tract of 20 acres or more only for agricultural purposes, with no new dwelling or new street, is outside the land division regulations¹. Test septic feasibility early because 0% of mapped county soils are rated free of severe limits for a conventional drain field¹¹. Montgomery County does not provide water service, and rural water districts serve different areas, so obtain written service availability before assuming a connection is possible⁸. The county receives about 42.4 inches of precipitation annually, while severe drought occurs in about 22.8% of years¹¹. Typical farmland value is about $2,685 per acre, the effective property-tax rate is about 1.7%, and the median property-tax bill is about $1,562 per year¹¹.