St. Clair County, Michigan
Fort Gratiot Township is a charter township in St. Clair County, Michigan. Fort Gratiot Township adopts its own zoning, so inside its limits Fort Gratiot Township’s rules apply, not the county’s. 19 rules below are quoted from official sources and independently re-checked, most recently on October 29, 2026. Rules for unincorporated land are on the St. Clair County page.
Land inside Fort Gratiot Charter Township limits, under the township's own zoning ordinance (Code of Ordinances Chapter 38 Zoning)
“this chapter shall be known and may be cited as the "charter township of fort gratiot zoning ordinance."”
All land inside Fort Gratiot Charter Township under its zoning ordinance
“the township is divided into the following zoning districts: residential districts ag agricultural district r-1a single-family residential district r-1b single-family residential district”
Agricultural (AG) district, Fort Gratiot Charter Township
minimum floor area of structure: >= 1200 sq ft (footnote 2 unresolved)
“AGRICULTURAL (AG) 1,200 SQ FT 2 Acres 165 FT 35 FT 50 FT 20 FT A 40 FT A 2 35 FT 30%”
“single-family (r-1a) sewer 1,200 ft. 2 10,000 ft. 2 75 ft. 35 ft. 35 ft. 10 ft. a 20 ft. a 2 35 ft. 30 percent”
“single-family (r-1b) sewer 1,200 ft. 2 8,400 ft. 2 *70 ft. 35 ft. 35 ft. 10 ft. a 20 ft. a 2 35 ft. 30 percent”
Agricultural (AG) district, Fort Gratiot Charter Township
minimum lot area: >= 2 acres · minimum lot width: >= 165 ft
“AGRICULTURAL (AG) 1,200 SQ FT 2 Acres 165 FT 35 FT 50 FT 20 FT A 40 FT A 2 35 FT 30%”
“SINGLE FAMILY (R-1A) Sewer 10,000 SQ FT 75 FT”
“without sewer 1 acre 100 ft. accessory structure an accessory structure may not exceed the principal structure in gross floor area”
“single-family (r-1b) sewer 1,200 ft. 2 8,400 ft. 2 *70 ft. 35 ft. 35 ft. 10 ft. a 20 ft. a 2 35 ft. 30 percent”
“without sewer 1,200 ft. 2 1 acre 100 ft. 35 ft. 35 ft. 10 ft. a 20 ft. a 2 35 ft. 30 percent”
Agricultural (AG) district, Fort Gratiot Charter Township
front yard: >= 35 ft · rear yard: >= 50 ft · side yard, least: >= 20 ft (footnote a) · side yards, total: >= 40 ft (footnote a and 2)
“AGRICULTURAL (AG) 1,200 SQ FT 2 Acres 165 FT 35 FT 50 FT 20 FT A 40 FT A 2 35 FT 30%”
“single-family (r-1a) sewer 1,200 ft. 2 10,000 ft. 2 75 ft. 35 ft. 35 ft. 10 ft. a 20 ft. a 2 35 ft. 30 percent”
“single-family (r-1b) sewer 1,200 ft. 2 8,400 ft. 2 *70 ft. 35 ft. 35 ft. 10 ft. a 20 ft. a 2 35 ft. 30 percent”
Agricultural (AG) district, Fort Gratiot Charter Township
maximum lot coverage: <= 30 percent
“AGRICULTURAL (AG) 1,200 SQ FT 2 Acres 165 FT 35 FT 50 FT 20 FT A 40 FT A 2 35 FT 30%”
“single-family (r-1a) sewer 1,200 ft. 2 10,000 ft. 2 75 ft. 35 ft. 35 ft. 10 ft. a 20 ft. a 2 35 ft. 30 percent”
“single-family (r-1b) sewer 1,200 ft. 2 8,400 ft. 2 *70 ft. 35 ft. 35 ft. 10 ft. a 20 ft. a 2 35 ft. 30 percent”
Agricultural (AG) district, Fort Gratiot Charter Township
maximum height of structure: <= 35 ft
“AGRICULTURAL (AG) 1,200 SQ FT 2 Acres 165 FT 35 FT 50 FT 20 FT A 40 FT A 2 35 FT 30%”
“single-family (r-1a) sewer 1,200 ft. 2 10,000 ft. 2 75 ft. 35 ft. 35 ft. 10 ft. a 20 ft. a 2 35 ft. 30 percent”
“single-family (r-1b) sewer 1,200 ft. 2 8,400 ft. 2 *70 ft. 35 ft. 35 ft. 10 ft. a 20 ft. a 2 35 ft. 30 percent”
We looked and could not find an official answer yet. Silence is not permission; ask Fort Gratiot Township or St. Clair 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 Fort Gratiot Township publishes no rule on the point, not that none exists. St. Clair County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Fort Gratiot Township means bringing your own water and power. The kit we’d start with:
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