Zoning, building permits and septic rules in Leighton Township, Michigan

Leighton Township’s own rules

• Building code adoptedAdopted

  Dwellings and additions inside Leighton township limits

  • The excerpt refers to pertinent building and fire codes adopted by the township but does not name the code edition; the code title and edition were not verified.
  • Michigan state construction code enforcement and the building permit administrator (PCI) were not separately verified here.

  “all dwellings shall meet or exceed all applicable roof snow load and strength requirements shall otherwise comply with all pertinent building and fire codes adopted by the township.”

• Local zoningPresent

  Land inside Leighton township limits: the township administers its own zoning ordinance (Ordinance #2010-01-01, as shown in the third-party copy amended through 2019-12-04, plus later amendments listed on the township site).

  • The zoning ordinance copy was read from a third-party host (energyzoning.org), not the township site; the township's current consolidated text was not opened and should be checked for amendments.
  • Township planning page lists zoning ordinances, master plans and zoning maps, and a 2025 RV/travel trailer ordinance, which is separate from the zoning ordinance.

  “professional code inspectors of michigan (pci) located in dorr is leighton townships zoning and building administrators.”

• Zoning districtsPublished

  Zoning districts of Leighton township

  • Chapter 5 is the AG Agricultural district and chapter 7 is the R-2 low density residential district; a rural corridor overlay (chapter 13a) is also listed.
  • The township zoning map (2012 and 2019) is listed on the planning page but was not opened.

  “this zoning district is intended for large rural residential estates and farming.”

• Minimum lot sizeDistrict specific (with conditions)

  Lots in the AG Agricultural district (chapter 5) inside Leighton township limits: 2 acres for lots on existing public streets; 40,000 sq ft for dwelling lots on new minor/local feeder or private streets

  • The 40,000 sq ft figure is in the new-street block (b) of section 5.05; the subsection label in the text read is garbled, so verify on the township's own copy.
  • Lots with frontage on a cul-de-sac or certain curves may have reduced frontage under section 3.19.

  minimum lot area, lots on existing public streets: >= 2 acres (excludes street right-of-way) · minimum lot area for dwellings, new minor/local or private streets: >= 40000 sq ft

  “the minimum lot area for dwellings shall be not less than forty thousand (40,000) square feet.”

  One more reviewed finding on this topic

  • District specific (with conditions) — Lots in the R-1 Agricultural and Rural Estate district (chapter 6) inside Leighton township limits

    “(d) lot area and lot width - the minimum lot area and width for all uses shall be two (2) acres (87,120 square feet), excluding street right-of-way and one hundred fifty (150) feet, respectively;”

• SetbacksDistrict specific (with conditions)

  Principal buildings in the AG Agricultural district (chapter 5) on lots created on existing public streets inside Leighton township limits

  • Lots on new minor/local feeder or private streets have different setbacks (the side setback is 7 ft and rear 25 ft in that block, per the text read) and were not fully verified.
  • Accessory buildings are governed by sections 3.10 and 3.11.

  front yard setback: >= 50 ft · total side yard setback (residential): >= 30 ft (no single side yard less than 10 ft) · rear yard setback: >= 50 ft

  “(2) side yard - for residential buildings and structures, there shall be total side yards of not less than thirty (30) feet; provided, however, that no side yard shall be less than ten (10) feet.”

  One more reviewed finding on this topic

  • District specific (with conditions) — Principal buildings in the R-1 Agricultural and Rural Estate district (chapter 6) inside Leighton township limits

    “(b) side yard - for residential buildings and structures, there shall be total side yards of not less than fifty (50) feet; provided, however, that no side yard shall be less than twenty (20) feet.”

• Building heightSpecified

  Principal and accessory residential buildings in the R-1 Agricultural and Rural Estate district (chapter 6) inside Leighton township limits

  • Other buildings and structures are limited to their usual and customary heights, subject to section 3.03(b) height exceptions.
  • Ag district height rule (chapter 5) was not read.

  maximum residential building height: <= 35 ft (other structures: usual and customary height; section 3.03(b) exceptions)

  “section 6.04 height regulations. no principal or accessory residential building or structure shall exceed thirty-five (35) feet in height.”

• Living in an RVLimited

  An RV or camper used for habitation on private land inside Leighton township limits

  • Campers may not be used as a permanent dwelling or for habitation except as the camping ordinance allows.
  • Campers may be stored on a lot with a dwelling when not in use, and must be removed from the lot from November 2 through April 30 unless stored in a fully enclosed lawful building.
  • On a lot without a dwelling, camping is limited to 14 days per calendar year.
  • Campers must meet zoning setbacks and be at least 50 feet from the ordinary high water mark of a lake, stream or river and 20 feet from a dwelling on an adjoining property.

  camping days, lot with dwelling under 1 acre: 14 days per calendar year (camping permit may extend the period) · camping days, lot with dwelling 1 acre or larger: 30 days per calendar year (camping permit may extend the period)

  “campers may be parked or stored outdoors on a lot or parcel with a dwelling thereon when not in use on private property within the township, provided that all of the following requirements are met:”

• Camping on your landLimited

  Camping with a camper or tent on private land inside Leighton township limits

  • Tents and campers are limited in number on a lot from May 1 through November 1 (two tents or two campers, or up to two of each).
  • Camping on a lot with a dwelling is limited to 14 days per year on lots under one acre and 30 days per year on lots of one acre or more.
  • Camping beyond the annual limit requires a camping permit from the zoning administrator, and a permit can add up to 30 more days (up to 60 per year, or up to 44 on a vacant or non-dwelling lot under the ordinance).
  • Camping at a lawful campground is outside this ordinance. A tent or other temporary structure may not be used for dwelling purposes under zoning section 3.08.

  camping days, lot without dwelling: 14 days per calendar year

  “camping on a lot or parcel without a dwelling thereon shall be limited to 14 days per calendar year.”

• Manufactured homesLimited

  Mobile or manufactured homes outside mobile home parks on land inside Leighton township limits

  • Mobile homes must meet the dwelling standards in section 3.25: permanent foundation, setup per manufacturer's instructions, anchoring, and perimeter skirting.
  • A mobile home that does not meet section 3.25 is allowed only by special land use permit in cases of hardship, under chapter 20.
  • Dwellings must connect to public water and sewer or to facilities approved by the Allegan County Health Department.

  “a special land use permit for a mobile home not meeting the standards of sec. 3.25 may be issued in cases of hardship in accordance with the procedures and general standards contained in chapter 20.”

• Off-grid sanitationLimited

  A dwelling with its own water supply and sewage disposal on a lot inside Leighton township limits that is not served by both public water and sewer

  • No building permit may be issued unless the private water supply and sewage disposal comply with Allegan County health rules.
  • Campers may not be connected to a water well or a sanitary sewer system and camper sewage must be disposed of off-site (RV ordinance).

  “no permit shall be issued for the constructions of a building or structure which is to have drinking water and/or sanitary facilities located therein and which is to be located on a lot which is not served by both public water and sewer facilities if its water supply and/or sewage disposal facilities, as the case may be, does not comply with the rules and regulations governing waste and sewage disposal of allegan county.”

• Mandatory utility hookupConditional

  A new dwelling on a lot inside Leighton township limits

  • The township may require connection to public sewer and public water as it requires.
  • If public service is not required, the dwelling may use private sewer and water facilities approved by the Allegan County Health Department.
  • The distance-to-main threshold was not found in the text read.

  “all dwellings shall be connected to a public sewer system and public water supply system as required by the township or to such private sewer and water facilities as approved by the allegan county health department.”

• Subdividing landRegulated (with conditions)

  Land divisions and building lots inside Leighton township limits

  • Land divisions are limited by the Land Division Act (section 108 cross-reference in the township ordinance).
  • Parcels approved for onsite sewage and water must be approved by the Allegan County Health Department before a subdivision or site condominium is recorded.

  “which results in more building sites from a parent parcel than otherwise permitted under section 108 of the land division act is prohibited.”

• Driveway accessLimited

  Driveways serving lots inside Leighton township limits

  • A driveway serving three or more lots created for non-farm building or business development is a private street under chapter 18, section 18.01.
  • A joint driveway serving two lots is subject to chapter 18 if one lot lacks required frontage on a public street.

  “unless otherwise provided, driveways are subject to the provisions of chapter 18, section 18.01.”

• Permit processPartial

  Zoning and building permit applications inside Leighton township limits, handled through PCI

  • The township publishes application forms only; the step-by-step review process and timelines were not found in the pages read.
  • Applications are made to PCI in Dorr (zoning and building administrator), not the township office.

  “professional code inspections of michigan (pci) located in dorr is leighton townships zoning and building administrators.”

Rules another office applies inside Leighton Township

Leighton 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)

  Onsite sewage disposal for a dwelling on land inside Leighton township limits; the Allegan County rules and health department approval apply there

  • Applies where the lot is not served by both public water and public sewer.
  • Approval of private sewer and water facilities is by the Allegan County Health Department.

  “section 3.21 health department approval. no permit shall be issued for the constructions of a building or structure which is to have drinking water and/or sanitary facilities located therein and which is to be located on a lot which is not served by both public water and sewer facilities if its water supply and/or sewage disposal facilities, as the case may be, does not comply with the rules and regulations governing waste and sewage disposal of allegan county.”

Still unanswered

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

• Owner-builder exemption — Owner-builder construction of a home inside Leighton township limits
• Inspections — Building inspections for new dwellings inside Leighton township limits
• Certificate of occupancy — Certificates of occupancy for new dwellings inside Leighton township limits
• Lot coverage — Building coverage on lots inside Leighton township limits
• Tiny homes — Tiny home occupancy on land inside Leighton township limits

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.