Bolthole Index

Mackinac County, Michigan

Zoning, building permits and septic rules in Bois Blanc Township, Michigan

Bois Blanc Township is a township in Mackinac County, Michigan. Bois Blanc Township adopts its own zoning, so inside its limits Bois Blanc Township’s rules apply, not the county’s. 4 rules below are quoted from official sources and independently re-checked, most recently on October 30, 2026. Rules for unincorporated land are on the Mackinac County page.

Answers from the rulebook for Bois Blanc Township

Bois Blanc Township’s own rules

  • Local zoningPresent (with conditions)

    Land inside Bois Blanc township limits (Bois Blanc Island, Mackinac County): the township's own zoning ordinance and zoning department administer zoning.

    • The township zoning department page lists a zoning ordinance (amended 2021) and a zoning permit application; the ordinance text itself could not be opened in this research, so district and dimensional rules are not established here.
    • Use is allowed only after the township zoning permit process described on the township zoning department page.
    “zoning ordinance (14) pdf zoning ordinance (amended 2021) pdf table of contents pdf”
  • Septic permitRequired

    New or replacement septic systems inside Bois Blanc township, under the township zoning permit

    • Requirement is stated as part of the township zoning permit; the township page does not state the septic permit's fee, form, or inspection steps.
    • A county or district health department septic permit may also apply and was not verified in this research.
    “a zoning permit is required for all structures, wells & septic systems.”
  • Well permitRequired

    Wells inside Bois Blanc township, under the township zoning permit

    • Requirement is stated as part of the township zoning permit; well construction standards and any state or county well-permit step were not verified in this research.
    “a zoning permit is required for all structures, wells & septic systems.”
  • Permit processPublished (with conditions)

    Zoning permit process for structures, wells and septic systems inside Bois Blanc township

    • The page lists a zoning permit application and zoning policies and procedures document; the contents of those documents were not opened, so fees, review timing and inspections are not established.
    • Use requires a township zoning permit.
    “zoning policies and procedures pdf zoning permit application pdf special land use permit”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Bois Blanc Township or Mackinac County directly.

  • Building permit — Building permit for new construction inside Bois Blanc township
  • Owner-builder exemption — Owner-builder exemption for a home built by the owner inside Bois Blanc township
  • Building code adopted — Building code applicable to new construction inside Bois Blanc township
  • Inspections — Building inspection for new construction inside Bois Blanc township
  • Certificate of occupancy — Certificate of occupancy for new dwellings inside Bois Blanc township
20 more unanswered
  • Zoning districts
  • Minimum dwelling size
  • Minimum lot size
  • Setbacks
  • Lot coverage
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Septic inspection
  • Off-grid sanitation
  • Mandatory utility hookup
  • Agricultural exemption
  • Subdividing land
  • Driveway access
  • Building in a floodplain
  • Short-term rentals
  • Permit fees

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 Bois Blanc Township publishes no rule on the point, not that none exists. Mackinac County’s page lists the county offices to call.

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