Zoning, building permits and septic rules in Fennville, Michigan

Fennville’s own rules

• Building code adoptedAdopted

  New construction and alterations on land inside Fennville city limits: Michigan Building Code, Michigan Electrical Code, Michigan Plumbing Code and Michigan Mechanical Code adopted by reference under Chapter 160 Article II

  • Adopted under the Single State Construction Code (Act 230 of 1972) as amended, and includes future amendments and revisions adopted by reference when they take effect.
  • The property maintenance code is excluded from the general adoption clause and handled by § 160-5 subsection c: inspectors apply the code in effect when the building was built or last altered, unless a condition makes the building unsafe.
  • Enforcement agency is the city building department through its building official, per § 160-6 (designated under the Michigan Residential Code and Michigan Building Code).

  “the michigan building code [including the property maintenance code except as set forth in subsection c below], the michigan electrical code, the michigan plumbing code, and the michigan mechanical code are hereby adopted as amended to the date of the enactment of this article”

• Local zoningPresent

  Land inside Fennville city limits: the City of Fennville's own Chapter 450 Zoning ordinance

  • Chapter 450 (Zoning) is part of the code adopted by Ord. 2025-08 on 8-18-2025, which consolidates chapters 1 through 450.
  • Chapter 450 zoning districts article list includes R-1 Residential (Art. 7), R-2 (Art. 8), RM Multiple Family (Art. 9), RMH Manufactured Housing Community (Art. 10), CBD (Art. 11), B-1 Downtown Edge (Art. 12) and E Enterprise (Art. 13).
  • Zoning-district dimensional and use text was not read; see the unknown dimensional claims.

  “article 4 zoning districts § 450-401 districts established.”

• Zoning districtsPublished

  Zoning districts inside Fennville city limits under Chapter 450

  • The table of contents lists Article 4 (districts established, § 450-401), Article 7 R-1 Residential, Article 8 R-2 Residential, Article 9 RM Multiple Family, Article 10 RMH Manufactured Housing Community, Article 11 CBD, Article 12 B-1 Downtown Edge and Article 13 E Enterprise.
  • District boundaries are shown on the zoning map (§ 450-402 incorporates the map by reference).

  “article 4 zoning districts § 450-401 districts established. § 450-402 district boundaries and inclusion of zoning map by reference.”

• Living in an RVLimited

  Living in a travel trailer, motor home, automobile chassis or tent as a dwelling on land inside Fennville city limits in single-family, two-family or multiple-family residential areas

  • Under the Chapter 450 definition of dwelling unit, those vehicles and tents are not a dwelling in residential areas, so they cannot be used as a residence there.
  • Motor home, camper and recreational vehicle trailer rules in § 450-505 and the permitted-use table in § 450-601 were not read and may add conditions.
  • Commercial and other non-residential zoning districts were not checked.

  “in no case shall a travel trailer, motor home, automobile chassis, tent or other portable building be considered a dwelling in single-family, two-family or multiple-family residential areas.”

• Building in a floodplainRequired

  Construction inside the regulated flood-prone hazard areas of Fennville city (areas on the FEMA flood insurance study for Allegan County dated June 21, 2023)

  • Appendix G (Flood-Resistant Construction) of the Michigan Building Code is enforced by the city building official under § 160-2.
  • Flood hazard areas are those on the FEMA Flood Insurance Study for Allegan County, all jurisdictions, dated June 21, 2023, and the FIRM panels on index panel 26005cind0a effective June 21, 2023 (§ 160-3).
  • Where Chapter 160 conflicts with another ordinance, the most restrictive standard applies (§ 160-4).

  “appendix g, flood-resistant construction, of the michigan building code shall be enforced by the enforcing agency within the jurisdiction of the community adopting this ordinance.”

Still unanswered

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

• Building permit — New residential construction inside Fennville city limits
• Owner-builder exemption — Owner-builder construction of a home inside Fennville city limits
• Inspections — Building inspections for new residential construction inside Fennville city limits
• Certificate of occupancy — Certificate of occupancy for new homes inside Fennville city limits
• Minimum dwelling size — Single-family dwellings inside Fennville city 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.

Off-grid gear

Going off-grid in Fennville means bringing your own water and power. The kit we’d start with:

• Water Crystal Quest Filter any source — well, rain, or creek — to drinking-clean.
• Power Bluetti Solar generators and home battery backup for living off the grid.
• Septic Soil percolation test kit Run your own perc test before paying an engineer — the first thing a septic office asks about.
• Water Well water test kit Bacteria, nitrates, hardness — know what the well on a parcel is really pumping.

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