Sanilac County, Michigan
Flynn Township is a township in Sanilac County, Michigan. Flynn Township adopts its own zoning, so inside its limits Flynn Township’s rules apply, not the county’s. 15 rules below are quoted from official sources and independently re-checked, most recently on October 30, 2026. Rules for unincorporated land are on the Sanilac County page.
Zoning land use permit from the Flynn township zoning administrator before erecting, constructing, placing, moving or altering any building or structure in the township. Only the township land use permit is established here; separate state or county building permits were not checked.
“a land use permit must be acquired from the zoning administrator before any building or structure is erected, constructed, placed, moved or altered or the use of any land, structure, or building changed in the township.”
Land in unincorporated Flynn township, Sanilac County, Michigan
“for the establishment of zoning districts in the unincorporated portions of flynn township”
Zoning districts of unincorporated Flynn township (AR agricultural residential, R residential, C commercial, I industrial)
“article vi (ar) agricultural residential district section 6.01. principal uses permitted. a. farms, farm buildings, and farm uses.”
Dwellings in unincorporated Flynn township under the single family dwelling requirements (sec. 10.06)
minimum width: >= 14 ft
“b. minimum width. each dwelling shall be no less than fourteen (14) feet in width”
Lots in the residential (R) district of unincorporated Flynn township
minimum lot area per dwelling: >= 2 acre
“ar 2 acre 250 100 25 25 900 (d) 35(e) r 2 acre 250 100 25 25 900 (d) 35”
“ar 2 acre 250 100 25 25 900 (d) 35(e) r 2 acre 250 100 25 25 900 (d) 35”
Principal buildings in the agricultural residential (AR) district of unincorporated Flynn township
minimum front yard setback: >= 100 ft (footnote (b)) · minimum side yard setback: >= 25 ft · minimum rear yard setback: >= 25 ft
“b) measures from center of road right of way. c) in no case shall a building be constructed within 100 feet of the centerline of any public or private road right of way.”
“ar 2 acre 250 100 25 25 900 (d) 35(e) r 2 acre 250 100 25 25 900 (d) 35”
Buildings in the residential (R) district of unincorporated Flynn township
maximum building height: <= 35 ft (footnote (e) not legible)
“ar 2 acre 250 100 25 25 900 (d) 35(e) r 2 acre 250 100 25 25 900 (d) 35”
Occupancy of a recreational vehicle on a residential premises in unincorporated Flynn township
maximum stay: <= 3 months
“the owner or lessee of any premises may permit the temporary occupancy of one recreational vehicle for guests or visitors for a period not to exceed three (3) months in any calendar year.”
Campgrounds in the agricultural residential (AR) district of unincorporated Flynn township
minimum campground size: >= 10 acres
“private parks, recreation areas, campgrounds, and golf courses subject to the following requirements: 1. minimum size of ten (10) acres.”
Temporary occupancy of a mobile home on a parcel while a permanent dwelling is built in unincorporated Flynn township
“the applicant shall post a cash deposit of 10% of the value of the mobile home or $1,000, whichever is greater, with the township treasurer.”
Land divisions in Flynn township
“land division application submit to connie lipka, township assessor.”
Land use permit fees in Flynn township
“land use permit application submit to cam keesler, zoning administrator, prior to starting your project. click here for rates & fees”
Land use permit process in Flynn township
“the parcel number is required for the land use permit application to be approved.”
We looked and could not find an official answer yet. Silence is not permission; ask Flynn Township or Sanilac 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 Flynn Township publishes no rule on the point, not that none exists. Sanilac County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Flynn Township means bringing your own water and power. The kit we’d start with:
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