Bolthole Index

Genesee County, Michigan

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

Grand Blanc Township is a charter township in Genesee County, Michigan. Septic permits inside Grand Blanc Township come from Genesee County (Genesee County Health Department — Environmental Health Division (Septic Office) · (810) 257-3603). 10 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.

Answers from the rulebook for Grand Blanc Township

Grand Blanc Township’s own rules

  • Building code adoptedAdopted (with conditions)

    Plan review, permitting, and inspections inside Grand Blanc Charter Township.

    • The township page lists the 2021 Michigan Building Code, 2015 Michigan Residential Code, 2023 National Electric Code with Michigan Amendments, 2021 International Fire Code, 2021 Michigan Plumbing Code, 2021 International Property Maintenance Code, NFPA 70-2014, 2021 International Existing Building Code, 2017 ICC/ANSI A-117.1, and 2021 Michigan Mechanical Code.
    “Grand Blanc Township uses the following Codes for plan review, permitting, and inspection purposes:”
  • InspectionsRequired

    Work subject to township plan review, permitting, and inspection inside Grand Blanc Charter Township.

    • Inspection services are provided Monday through Thursday.
    “conducting inspections of permitted work.”
  • Certificate of occupancyRequired

    New-construction and remodel projects requiring a full certificate of occupancy inside Grand Blanc Charter Township.

    • Department of Public Works final approval is required first.
    “Final approval from the DPW is required before a Full Certificate of Occupancy can be obtained through the Grand Blanc Township Building Department.”
  • Mandatory utility hookupWater (with conditions)

    Newly built homes inside Grand Blanc Charter Township where public water is available.

    • Existing homes on an existing well are not required to connect even where municipal water is available.
    • Newly built homes with public water available must connect and may not drill a well.
    “Newly built homes that have public water available to them must connect to the public water supply and may not drill a well.”
  • Permit feesPublished (with conditions)

    Building, electrical, mechanical, and plumbing permits inside Grand Blanc Charter Township.

    • The township publishes separate building, electrical, mechanical, and plumbing fee charts.
    “Building Permit Fee Chart (PDF) [...] Plumbing Permit Fee Chart (PDF)”
  • Permit processPublished (with conditions)

    Commercial and non-commercial permit applications inside Grand Blanc Charter Township.

    • Commercial permits must first complete Planning, Zoning, Engineering process requirements.
    • Non-commercial permits not requiring PZE may be applied for online.
    • Contractors must have current township registration to apply online.
    “All commercial permits must start with a PZE (Planning, Zoning, Engineering) process.”

Rules another office applies inside Grand Blanc Township

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

  • Who permits septicCounty (with conditions)

    On-site sewage disposal systems inside Grand Blanc Charter Township.

    • Grand Blanc Township does not control on-site sewage disposal systems; permitting and oversight are assigned to the Genesee County Health Department.
    “Septic field permitting and oversight is the responsibility of the Genesee County Health Department (GCHD).”
  • Septic permitRequired

    Septic fields inside Grand Blanc Charter Township.

    • Septic-field permitting is administered by the Genesee County Health Department rather than the township.
    “The township does not control any on-site sewage disposal systems. Septic field permitting and oversight is the responsibility of the Genesee County Health Department (GCHD).”
  • Well permitRequired

    Private wells inside Grand Blanc Charter Township.

    • The township states that wells are permitted by the Genesee County Health Department.
    • A newly built home with public water available must connect to public water and may not drill a well.
    “Application for a Water Well Permit [...] In order for us to start working on your permit, you will need to submit the following:”
  • Driveway accessRequired

    Driveway access serving land inside Grand Blanc Charter Township.

    • Address requests and driveway permits must be submitted through the Genesee County Road Commission permit system.
    “Address requests and driveway permits must be applied for through GCRC's permit system.”

Still unanswered

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

  • Building permit — Building construction inside Grand Blanc Charter Township.
  • Owner-builder exemption — Owner-built residential construction inside Grand Blanc Charter Township.
  • Local zoning — Land inside Grand Blanc Charter Township, Michigan.
  • Zoning districts — Zoning districts inside Grand Blanc Charter Township.
  • Minimum dwelling size — Principal dwellings inside Grand Blanc Charter Township.
15 more unanswered
  • 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
  • Agricultural exemption
  • Subdividing land
  • Building in a floodplain
  • 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 Grand Blanc 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 Grand Blanc Township means bringing your own water and power. The kit we’d start with:

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