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

Lyon Township’s own rules

• Local zoningPresent

  Land inside Lyon Township, Roscommon County, Michigan

  • Ordinance adopted January 18, 2006; updated through April 20, 2023 per the cover page

  “this ordinance shall be known and may be cited as the lyon township zoning ordinance.”

• Zoning districtsPublished

  Zoning districts inside Lyon Township: R-R, R-1, R-3, R-4, C-1, M-1 (plus overlay and Camp Curnalia R-2 districts)

  • Table A lists R-R rural residential, R-1 single-family residential, R-3 multiple-family, R-4 manufactured home park, C-1 commercial, M-1 light industrial

  “r-r rural residential district 4 acres 220 3 40 30 30 30 768 75% r-1 single-family residential district 20,000 sq. ft. 100 2-1/2 35 25 10 25 768 50%”

• Minimum dwelling sizeSpecified

  R-1 Single-Family Residential district inside Lyon Township

  • Floor area excludes basements, utility rooms, breezeways, porches and attached garages per Table A footnote 2

  minimum ground floor area per dwelling unit: >= 768 sq ft

  “r-r rural residential district 4 acres 220 3 40 30 30 30 768 75% r-1 single-family residential district 20,000 sq. ft. 100 2-1/2 35 25 10 25 768 50%”

  One more reviewed finding on this topic

  • Specified — R-R Rural Residential district inside Lyon Township

    “r-r rural residential district 4 acres 220 3 40 30 30 30 768 75% r-1 single-family residential district 20,000 sq. ft. 100 2-1/2 35 25 10 25 768 50%”

• Minimum lot sizeSpecified

  R-1 Single-Family Residential district inside Lyon Township

  • Minimum width 100 ft
  • Maximum lot depth-to-width ratio 1:4 for new lots

  minimum site size: >= 20000 sq ft

  “r-r rural residential district 4 acres 220 3 40 30 30 30 768 75% r-1 single-family residential district 20,000 sq. ft. 100 2-1/2 35 25 10 25 768 50%”

  One more reviewed finding on this topic

  • Specified — R-R Rural Residential district inside Lyon Township

    “r-r rural residential district 4 acres 220 3 40 30 30 30 768 75% r-1 single-family residential district 20,000 sq. ft. 100 2-1/2 35 25 10 25 768 50%”

• SetbacksSpecified

  R-R Rural Residential district inside Lyon Township

  • Table columns read front, rear, side each; 30 ft in each column per Table A
  • Flatwork under 10 inches off ground is exempt from setbacks
  • Shoreline protection overlay: no building within 50 ft of Higgins Lake shoreline

  front/rear/side setbacks: >= 30 ft

  “r-r rural residential district 4 acres 220 3 40 30 30 30 768 75% r-1 single-family residential district 20,000 sq. ft. 100 2-1/2 35 25 10 25 768 50%”

• Lot coverageDistrict specific (with conditions)

  R-R and R-1 districts inside Lyon Township (expressed as minimum open space of site)

  • R-R minimum open space 75%; R-1 minimum open space 50% (implies maximum coverage of 25% and 50%); no separate coverage column

  minimum open space R-R: >= 75 percent · minimum open space R-1: >= 50 percent

  “r-r rural residential district 4 acres 220 3 40 30 30 30 768 75% r-1 single-family residential district 20,000 sq. ft. 100 2-1/2 35 25 10 25 768 50%”

• Building heightSpecified

  R-1 Single-Family Residential district inside Lyon Township

  • Accessory buildings to residential buildings may not exceed 20 ft (25 ft for detached garage)

  maximum building height: <= 35 ft (2-1/2 stories)

  “r-r rural residential district 4 acres 220 3 40 30 30 30 768 75% r-1 single-family residential district 20,000 sq. ft. 100 2-1/2 35 25 10 25 768 50%”

  One more reviewed finding on this topic

  • Specified — R-R Rural Residential district inside Lyon Township

    “r-r rural residential district 4 acres 220 3 40 30 30 30 768 75% r-1 single-family residential district 20,000 sq. ft. 100 2-1/2 35 25 10 25 768 50%”

Still unanswered

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

• Building permit — Building permits inside Lyon Township
• Owner-builder exemption — Owner-builder exemption inside Lyon Township
• Building code adopted — Building code inside Lyon Township
• Inspections — Building inspections inside Lyon Township
• Certificate of occupancy — Certificates of occupancy inside Lyon Township

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.