Bolthole Index

St. Louis County, Missouri

Zoning, building permits and septic rules in Village of Champ, Missouri

Village of Champ is a village in St. Louis County, Missouri. Septic permits inside Village of Champ come from the county and state together. 3 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 Village of Champ

Rules another office applies inside Village of Champ

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

  • Who permits septicMixed (with conditions)

    Onsite wastewater treatment systems inside Champ village where an onsite system is proposed.

    • The official state process says authority depends on the applicable DHSS or local-authority arrangement; the responsible local authority for Champ specifically was not identified.
    • Authority may be DHSS, a local authority by contract, or a local authority via ordinance.
    “DHSS OWTS permitting falls under one of three authority types: DHSS Onsite Program, Local Authority (contract), or Local Authority via Ordinance. The application process varies by permitting authority.”
  • Septic permitRequired

    Installation or repair of most onsite wastewater treatment systems inside Champ village.

    • Some single-family residential lots may be exempt from permitting.
    • The applicable permitting authority must be determined before work.
    • Work should not begin until a permit is issued or an exemption is confirmed by the appropriate permitting authority.
    “A construction permit is required before installing or repairing most onsite wastewater treatment systems (OWTS). Some single family residential lots may be exempt from permitting.”
  • Off-grid sanitationLimited

    Use of an onsite wastewater treatment system instead of central sewer service inside Champ village.

    • A construction permit is required for most installations or repairs.
    • Some single-family residential lots may be exempt.
    • The responsible permitting authority must be determined for the work location.
    “A construction permit is required before installing or repairing most onsite wastewater treatment systems (OWTS). Some single family residential lots may be exempt from permitting.”

Still unanswered

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

  • Building permit — New residential construction inside Champ village limits.
  • Owner-builder exemption — Owner-built residences inside Champ village limits.
  • Building code adopted — Buildings inside Champ village limits.
  • Inspections — Construction inside Champ village limits.
  • Certificate of occupancy — Residential and nonresidential occupancy inside Champ village limits.
21 more unanswered
  • Local zoning
  • Zoning districts
  • Minimum dwelling size
  • Minimum lot size
  • Setbacks
  • Lot coverage
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Septic inspection
  • Mandatory utility hookup
  • Agricultural exemption
  • Subdividing land
  • Driveway access
  • Building in a floodplain
  • Short-term rentals
  • Permit fees
  • Permit process

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 Village of Champ 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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