Bolthole Index

St. Louis County, Missouri

Zoning, building permits and septic rules in Huntleigh, Missouri

Huntleigh is a city in St. Louis County, Missouri. Huntleigh adopts its own zoning, so inside its limits Huntleigh’s rules apply, not the county’s. 15 rules below are quoted from official sources and independently re-checked, most recently on November 5, 2026. Rules for unincorporated land are on the St. Louis County page.

Answers from the rulebook for Huntleigh

Huntleigh’s own rules

  • Building permitRequired

    New buildings and structural alterations inside Huntleigh city limits.

    • A tentative certificate of occupancy is the City's building permit.
    • The application must be made to the City Clerk before excavation or construction begins.
    • The City construction page describes a $500 check with its application process.

    application payment stated on City construction page: 500 USD (The official code PDF separately states certificate fees.)

    “This is the city's building permit. The process to follow is:”
  • Building code adoptedAdopted (with conditions)

    Construction inside Huntleigh city limits.

    • The adopted codes are the St. Louis County Building, Residential, Existing Building, Mechanical, Electrical, and Plumbing Codes as amended by the County through the stated last amendatory ordinances.
    “Codes(s) respectively are hereby adopted as the Building, Residential, Existing Building, Mechanical, Electrical and Plumbing Codes of the City of Huntleigh, Saint Louis County, Missouri, as if fully set out herein.”
  • InspectionsRequired

    Construction inside Huntleigh city limits.

    • Huntleigh directs applicants to submit appropriate copies of St. Louis County inspections with a final certificate application.
    • The City page states St. Louis County performs other inspections.
    “The City of Huntleigh has adopted St. Louis County's Building Codes and they do all other inspections.”
  • Certificate of occupancyRequired

    Occupation or use of vacant land and buildings inside Huntleigh city limits.

    • Truck gardening or agricultural uses are excepted for vacant land.
    • A tentative certificate can specifically permit occupancy during alteration or construction of an existing building.
    “no building and/or accessory building hereafter erected or structurally altered shall be occupied or used until a certificate of occupancy shall have been issued by the City Clerk.”
  • Local zoningPresent (with conditions)

    Land inside Huntleigh city limits.

    • The City is divided into A Single-Family Dwelling and B Residence districts.
    “the City of Huntleigh is hereby divided into two (2) districts which shall be known as: "A" Single-Family Dwelling District "B" Residence District”
  • Living in an RVProhibited

    Recreational vehicles occupied as a home, residence, sleeping quarters, or living quarters anywhere inside Huntleigh city limits.

    • The cited prohibition addresses occupancy/use as living quarters.
    “No mobile home, house trailer or recreational vehicle shall be kept or used in the City of Huntleigh which is occupied as a home or dwelling or which is used as a place of residence or as sleeping quarters or living quarters.”
  • Agricultural exemptionConditional

    Use of vacant land for truck gardening or agricultural uses inside Huntleigh city limits.

    • The exception is limited to occupation or use of vacant land before a certificate of occupancy issues.
    “No vacant land shall be occupied or used, except for truck gardening or agricultural uses”
  • Building in a floodplainRequired

    Construction or development in a designated area of special flood hazard inside Huntleigh city limits.

    • A separate permit is required for each development.
    • The rule applies before construction or development begins within an area of special flood hazard.
    “A development permit shall be obtained before construction or development begins within any area of special flood hazard established in Article III, Section 415.040.”
  • Permit processPublished (with conditions)

    Tentative certificate/building-permit applications for construction inside Huntleigh city limits.

    • If applicable, subdivision trustees must approve plans before submission.
    • The City page requests six certified plans and plats, a $500 check, and flood-map information.
    • The code requires the application before excavation or construction.

    certified plan and plat copies requested by City page: 6 copies (Must reflect specified building-line distances and applicable street easements.)

    “Submit, with the application, six copies of complete "certified" plans and plats which reflect the distances to the front, side and back building lines from the proposed structure.”

Rules another office applies inside Huntleigh

Huntleigh does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.

  • Minimum dwelling sizeSpecified

    Main residence buildings in the A Single-Family Dwelling District inside Huntleigh city limits.

    • The 2,500-square-foot dwelling space must be finished during initial construction.
    • For one-and-one-half, two-, and two-and-one-half-story types, the first story must contain 2,000 square feet of the required dwelling space; one-story types require 2,500 square feet on the first story.
    • Listed non-dwelling spaces are excluded.

    minimum dwelling space: >= 2500 square feet (Finished during initial construction.)

    “Each main residence building to be constructed on said lots shall contain a dwelling space of not less than two thousand five hundred (2,500) square feet finished during initial construction.”
    One more reviewed finding on this topic
    • Specified — Main residence buildings in the B Residence District inside Huntleigh city limits.
      “Each main residence building to be constructed on said lots shall contain a dwelling space of not less than two thousand five hundred (2,500) square feet finished during initial construction.”
  • Minimum lot sizeSpecified

    Single-family dwellings in the B Residence District inside Huntleigh city limits.

    • The provision does not preclude domestic servants and/or servants and their families employed by private clubs and living on the premises.
    • A lot with less area that was of record when the Chapter passed may be occupied by a single-family dwelling and usual accessory buildings.

    minimum lot area per family: >= 2 acres (Recorded undersized-lot and servant provisions.)

    “Every single-family dwelling hereafter erected or structurally altered shall provide a lot area of not less than two (2) acres per family”
    One more reviewed finding on this topic
    • Specified — Single-family dwellings in the A Single-Family Dwelling District inside Huntleigh city limits.
      “Every single-family dwelling hereafter erected or structurally altered shall provide a lot area of not less than three (3) acres per family”
  • Building heightSpecified

    Buildings in the A Single-Family Dwelling District inside Huntleigh city limits.

    maximum height: <= 45 feet (Maximum three stories.)

    “No building hereafter erected or structurally altered shall exceed three (3) stories with a maximum height of forty-five (45) feet.”
    One more reviewed finding on this topic
    • Specified — Buildings in the B Residence District inside Huntleigh city limits.
      “No building hereafter erected or structurally altered shall exceed three (3) stories or forty-five (45) feet.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Huntleigh or St. Louis County directly.

  • Owner-builder exemption — Owner-built residential construction inside Huntleigh city limits.
  • Lot coverage — Lot coverage inside Huntleigh city limits.
  • Camping on your land — Temporary camping on private land inside Huntleigh city limits.
  • Tiny homes — Tiny-home occupancy inside Huntleigh city limits.
  • Manufactured homes — Manufactured-home occupancy inside Huntleigh city limits.
8 more unanswered
  • Accessory dwellings
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Well permit
  • Mandatory utility hookup
  • Driveway access
  • Short-term rentals

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 Huntleigh publishes no rule on the point, not that none exists. St. Louis County’s page lists the county offices to call.

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