Charlevoix County, Michigan
Bay Township is a township in Charlevoix County, Michigan. Septic permits inside Bay Township come from Bay Township. 18 rules below are quoted from official sources and independently re-checked, most recently on November 9, 2026. Rules for unincorporated land are on the Charlevoix County page.
Excavation, fill, new construction, exterior enlargement, parking-area construction, and moving a building or structure inside Bay Township.
zoning permit validity: 1 year (Construction must start within one year or a new permit must be obtained.)
“Zoning permits are required before any person shall excavate, fill, build, add to the exterior dimension of a building”
Premises inside Bay Township for compliance with the Township zoning ordinance.
“c. Inspecting premises for compliance, and”
Zoning districts inside Bay Township.
“The official zoning map shall be the final authority as to the current zoning status of property in the Township.”
Lots with accessory buildings inside Bay Township.
accessory-building coverage on lots under 2 acres: <= 10 percent of lot area (Aggregate accessory-building area also may not exceed the principal structure footprint.) · structures and impervious-surface coverage on lots 2 acres or more: <= 20 percent of lot area
“the total aggregate area of accessory buildings shall not exceed the total building footprint area of the principal structure.”
Accessory dwelling units in Bay Township Residential and Agricultural districts.
maximum ADU size: <= 800 square feet · ADUs per parcel: <= 1
“ADUs are permitted only as an accessory use to an owner occupied single-family dwelling.”
Single-family condominium and platted subdivisions in Bay Township Agricultural and Residential districts.
“a. Single family condominium and platted subdivisions.”
A lot proposed for construction of a structure inside Bay Township.
“No zoning permit will be issued for construction of a structure on a lot, unless the lot has legal frontage”
Bay Township zoning-permit applications.
“Applications shall be filed in writing with the Zoning Administrator, and shall be signed by the applicant, or by his or her authorized agent.”
Bay Township does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
Dwellings in Bay Township's Agricultural District.
minimum habitable floor area: >= 720 square feet
“Agricultural 1 acre1 150’ 150’ 30’ 65’ 15’ 35’ 720 sf”
“Residential 20,000 sf 100’ 150’ 30’ 35’ 15’ 35’ 860 sf”
Lots in Bay Township's Agricultural District.
minimum lot area: >= 1 acre (Agricultural density and lot-averaging rules also apply.)
“Agricultural 1 acre1 150’ 150’ 30’ 65’ 15’ 35’ 720 sf”
“Residential 20,000 sf 100’ 150’ 30’ 35’ 15’ 35’ 860 sf”
Principal structures in Bay Township's Agricultural District.
front setback: >= 65 feet · side setback: >= 15 feet · rear setback: >= 35 feet
“Agricultural 1 acre1 150’ 150’ 30’ 65’ 15’ 35’ 720 sf”
“Residential 20,000 sf 100’ 150’ 30’ 35’ 15’ 35’ 860 sf”
Buildings in Bay Township's Agricultural District.
maximum height: <= 30 feet
“Agricultural 1 acre1 150’ 150’ 30’ 65’ 15’ 35’ 720 sf”
“Residential 20,000 sf 100’ 150’ 30’ 35’ 15’ 35’ 860 sf”
On-site sewage systems inside Bay Township, which is in Charlevoix County.
“Prior to installing a sewage (septic) system, HDNW works with the property owner to evaluate the site and issue a permit.”
A Bay Township building-permit site without existing access to municipal sewer or water.
“A valid septic and well permit is needed from the Health Department if the site does not already have access to municipal sewer/water.”
We looked and could not find an official answer yet. Silence is not permission; ask Bay Township or Charlevoix County directly.
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 Bay Township publishes no rule on the point, not that none exists. Charlevoix County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Bay Township means bringing your own water and power. The kit we’d start with:
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