Genesee County, Michigan
Montrose Township is a charter township in Genesee County, Michigan. Septic permits inside Montrose Township come from Genesee County (Genesee County Health Department — Environmental Health Division (Septic Office) · (810) 257-3603). 8 rules below are quoted from official sources and independently re-checked, most recently on October 29, 2026. Rules for unincorporated land are on the Genesee County page.
Construction, building, or placement of a single-family dwelling on a lot inside Montrose Charter Township.
“without first obtaining a building permit from the township.”
Use of land, buildings, or structures for which a building permit is required, and buildings or structures altered, extended, erected, repaired, or moved inside Montrose Charter Township.
“until the administrative official shall have issued a certificate of occupancy”
Use of travel trailers, recreational vehicles, and fifth wheels as temporary living quarters inside Montrose Charter Township.
“Travel trailers, recreational vehicles, and "fifth wheels" may not be used as temporary living quarters.”
On-site sanitation serving a dwelling inside Montrose Charter Township.
“All dwellings shall be connected to either municipal sanitary sewer and water service, to private on-site facilities, or to individual well and septic systems as may be approved by the County Health Department; and”
Residential dwellings inside Montrose Charter Township.
“individual well and septic systems as may be approved by the County Health Department”
Montrose Township does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
Single-family dwellings in the AG Agricultural zoning district inside Montrose Charter Township.
minimum livable floor area: >= 1200 sq ft (AG Agricultural zoning district)
“AG | 871,200 (20 acres) | 660 | Yes | 2.5 | 25 | 10% | 50 | 65 | 50 | 75 | 1,200 | None”
“RS | 44,000 | 125 | Yes | 2.5 | 25 | 30% | 30 | 50 | 15 | 30 | 1,200 | None or Public Water Only”
We looked and could not find an official answer yet. Silence is not permission; ask Montrose Township or Genesee 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 Montrose Township publishes no rule on the point, not that none exists. Genesee County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Montrose Township means bringing your own water and power. The kit we’d start with:
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