Bolthole Index

Mackinac County, Michigan

Zoning, building permits and septic rules in St. Ignace Township, Michigan

St. Ignace Township is a township in Mackinac County, Michigan. St. Ignace Township adopts its own zoning, so inside its limits St. Ignace Township’s rules apply, not the county’s. 7 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 St. Ignace Township

St. Ignace Township’s own rules

  • InspectionsRequired

    New buildings in St. Ignace township, for the zoning compliance layout inspection

    • This is the township's inspection of building layout tied to its zoning compliance application; construction code inspections by the state enforcing agency are not verified here.
    • Applicant must call the zoning administrator before construction begins.
    “the township must inspect the layout of the building(s)”
  • Local zoningPresent (with conditions)

    Land inside St. Ignace township limits (Mackinac County, MI). The township's zoning page lists Ordinance #35 as the zoning ordinance.

    • Before any new or updated building, the township zoning administrator must be contacted to determine whether a zoning permit is required.
    • The text of Ordinance #35 was not opened in this research; its district rules, dimensional limits and use tables are not recorded in this claim.
    “ordinance #35 the zoning ordinance of st. ignace township”
  • Subdividing landRegulated (with conditions)

    Land divisions in St. Ignace township

    • The township lists a land division ordinance (Ordinance #27); the ordinance text was not opened, so the approval standards are not recorded.
    • The township's zoning compliance application asks whether a land division split is involved.
    “ordinance #27 land division ordinance #28 regulation of atv’s, orv’s & snowmobiles”
  • Building in a floodplainRequired

    Development inside regulated flood hazard areas designated by St. Ignace township Ordinance No. 45 (FEMA FIRM index panels 26097cind1a and 26097cind2a)

    • Applies only inside the regulated flood hazard areas shown on the FEMA maps adopted by reference (effective December 15, 2022).
    • Enforcement is by the Michigan Bureau of Construction Codes as enforcing agency under Ordinance No. 45.
    “appendix g of the michigan building code shall be enforced by the enforcing agency within the jurisdiction of the community adopting this ordinance”
  • Permit feesPublished (with conditions)

    Township zoning compliance permit for building or alteration in St. Ignace township

    • This is the township zoning compliance application fee only; building permit fees under the state construction code are not in this claim.

    zoning compliance application fee: 75 USD

    “st. ignace township mackinac county, mi zoning compliance application permit no.: ______________ fee: $75.00”
  • Permit processPartial

    Zoning compliance permit process in St. Ignace township

    • The published steps cover the township zoning compliance application only; the building permit issuing process is not described on the pages opened.
    “please call the st. ignace township zoning administrator, matt oja, at (906) 430-2897 or email at [email protected] before construction begins”

Rules another office applies inside St. Ignace Township

St. Ignace Township does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.

  • Building code adoptedAdopted

    Construction in St. Ignace township, which designates the Michigan Bureau of Construction Codes as enforcing agency under the State Construction Code Act (Act 230)

    • Township Ordinance No. 42 (amended building code) and No. 10 are listed on the township page but their text was not opened; local amendments are not verified.
    • Appendix G of the Michigan Building Code is enforced in the township under Ordinance No. 45.
    “michigan bureau of construction codes assumes responsibility for the administration and enforcement of said act throughout the corporate limits of the community adopting this ordinance”

Still unanswered

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

  • Owner-builder exemption — Owner-builder construction in St. Ignace township
  • Certificate of occupancy — Occupancy of new buildings in St. Ignace township
  • Zoning districts — Zoning districts in St. Ignace township
  • Minimum dwelling size — Minimum dwelling size in the main single-family residential district of St. Ignace township
  • Minimum lot size — Minimum lot size in the main single-family residential district of St. Ignace township
17 more unanswered
  • Setbacks
  • Lot coverage
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • Agricultural exemption
  • Driveway access
  • Short-term rentals

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 St. Ignace 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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