Cass County, Missouri
Lake Annette is a city in Cass County, Missouri. Lake Annette adopts its own zoning, so inside its limits Lake Annette’s rules apply, not the county’s. Septic permits inside Lake Annette come from Lake Annette. 9 rules below are quoted from official sources and independently re-checked, most recently on November 5, 2026. Rules for unincorporated land are on the Cass County page.
Land inside Lake Annette city limits.
“AN ORDINANCE ESTABLISHING ZONING AND BUILDING ORDINANCES CONCERNING THE CONSTRUCTION OF BUILDINGS USED FOR HABITATION OR FOR CONSTRUCTION OF BUILDINGS USED FOR STORAGE PURPOSES OR FOR RECREATIONAL PURPOSES.”
Zoning districts inside Lake Annette city limits.
zoning district: R-1, One-Family dwelling district
“There are hereby created the following districts and zones: District R-1, One-Family dwelling district.”
Holding tanks for existing buildings inside Lake Annette city limits where insufficient land area exists for a septic tank and lateral field.
“No person shall install a holding tank without the approval of the Board of Aldermen, and without first obtaining a permit for installation of a holding tank from the Board of Aldermen.”
Installation of a sewage holding tank for an existing building inside Lake Annette city limits where insufficient land area exists for a septic tank and lateral field.
“No person shall install a holding tank without the approval of the Board of Aldermen, and without first obtaining a permit for installation of a holding tank from the Board of Aldermen.”
A sewage holding tank installed inside Lake Annette city limits.
“After installation, such tank shall not be buried without first being inspected by the Building Inspector.”
A sewage holding tank for an existing building inside Lake Annette city limits where there is insufficient land area for a septic tank and lateral field.
minimum holding-tank capacity: >= 1000 gallons (The ordinance recommends 1,200 gallons; a building containing one to three bedrooms must have a 1,200-gallon minimum, four bedrooms 1,600 gallons, and five or more bedrooms 2,000 gallons.)
“Minimum size shall be One Thousand (1000) gallon capacity, with the reccomendation that the tank size be One Thousand, Two Hundred (1200) gallon capacity.”
Lake Annette does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
One-family dwellings in Lake Annette R-1 One-Family Dwelling District.
minimum lot area: >= 15000 square feet (For a one-family dwelling in R-1.) · minimum lot width: >= 100 feet (For R-1; subject to the preexisting-parcel provision.)
“In District R-1, no building shall be erected or altered on a lot which makes provision for less than fifteen thousand (15,000) square feet of lot area for a one-family dwelling.”
Buildings in Lake Annette R-1 One-Family Dwelling District.
front yard depth: >= 25 percent of lot depth (Need not be more than 30 feet.) · side yard width: >= 10 percent of lot width (Not less than 4 feet and need not be more than 8 feet; exception for accessory buildings.) · rear yard depth: >= 25 percent of lot depth (Need not be more than 30 feet.)
“The front yards in this district shall have a minimum depth of twenty-five (25) per cent of the depth of the lot, but the depth of such front yard need not be more than thirty (30) feet.”
Buildings and structures in Lake Annette R-1 One-Family Dwelling District.
maximum building height: <= 35 feet (Also limited to two and one-half stories.)
“Buildings and structures shall not exceed two and one-half (2-1/2) stories, and shall not exceed thirty-five (35) feet in height.”
We looked and could not find an official answer yet. Silence is not permission; ask Lake Annette or Cass 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 Lake Annette publishes no rule on the point, not that none exists. Cass County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Lake Annette means bringing your own water and power. The kit we’d start with:
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