Kent County, Michigan
Spencer Township is a township in Kent County, Michigan. Spencer Township adopts its own zoning, so inside its limits Spencer Township’s rules apply, not the county’s. Septic permits inside Spencer Township come from Kent County (Kent County Health Department -- Environmental Health Division · (616) 632-7100). 16 rules below are quoted from official sources and independently re-checked, most recently on October 30, 2026. Rules for unincorporated land are on the Kent County page.
Land inside Spencer township's limits (Kent County, Michigan) is governed by the township's own zoning ordinance
“township of spencer kent county, michigan zoning ordinance adopted by the township board on february 15, 2000 (including amendments adopted through june 2023)”
Land inside Spencer township's limits
“for purposes of this zoning ordinance, the township of spencer is hereby divided into the following zoning districts: ag agricultural district r-r rural residential district r-1 single family residential district”
Dwellings in the AG agricultural district of Spencer township
minimum usable floor area per dwelling: >= 960 square feet
“section 5.05 minimum floor area. each dwelling shall have a minimum of 960 square feet of usable floor area.”
“section 6.05 minimum floor area. each dwelling shall have a minimum of 960 square feet of usable floor area.”
Land in the AG agricultural district of Spencer township
minimum lot area: >= 1 acre (ten acres for a farm) · minimum lot width: >= 200 feet
“one acre with 200 feet of lot width, except that the minimum lot area for a farm shall be ten acres.”
“one acre with 150 feet of lot width, except that the minimum lot area for a farm shall be ten acres.”
“where no public or community sewer system is provided, there shall be a minimum lot area of 35,000 square feet and a minimum lot width of 150 feet.”
“where a public or community sewer system is provided, there shall be a minimum lot area of 20,000 square feet and a minimum lot width of 120 feet.”
Buildings in the AG agricultural district of Spencer township
front yard setback: 50 feet · side yard setback: >= 20 feet (two side yards required) · rear yard setback: 30 feet
“(1) front yard. fifty feet. (2) side yard. there shall be two side yards; no side yard shall be less than 20 feet. (3) rear yard. thirty feet.”
“(1) front yard. fifty feet. (2) side yard. there shall be two side yards. no side yard shall be less than 20 feet. (3) rear yard. thirty feet.”
Buildings and structures in the AG agricultural district of Spencer township
maximum building height: <= 35 feet (agricultural buildings or agriculturally related structures)
“no building or structure shall exceed a height of 35 feet, except this requirement shall not apply to agricultural buildings or agriculturallyrelated structures.”
“maximum building and structure height. thirty five feet, except this requirement shall not apply to agricultural buildings or agriculturally-related structures.”
Spencer Township does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
On-site sewage disposal (septic) systems on land inside Spencer township, administered by the Kent County Health Department Environmental Health division
“on-site sewage disposal required permit for installation of on-site sewage disposal (septic) systems.”
Installation of an on-site septic system on land inside Spencer township
“the application must include a detailed site plan and floorplans if new construction.”
Installation of an on-site water supply (well) system on land inside Spencer township
“water supply permit required permit for installation of on-site water supply (well) systems.”
Land divisions, subdivisions and site condominiums in Spencer township that are to be served by on-site septic or wells
“the michigan land division act (public act 288 of 1967) requires that all divisions of land under one acre, subdivisions, and site condominiums be reviewed by the local health department.”
We looked and could not find an official answer yet. Silence is not permission; ask Spencer Township or Kent County directly.
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 Spencer Township publishes no rule on the point, not that none exists. Kent County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Spencer Township means bringing your own water and power. The kit we’d start with:
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