Bolthole Index

Andrew County, Missouri

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

Village of Cosby is a village in Andrew County, Missouri. Septic permits inside Village of Cosby come from the county and state together. 4 rules below are quoted from official sources and independently re-checked, most recently on November 5, 2026. Rules for unincorporated land are on the Andrew County page.

Answers from the rulebook for Village of Cosby

Rules another office applies inside Village of Cosby

Village of Cosby 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 sewage disposal systems inside Cosby village limits, subject to the state-law allocation of enforcement authority.

    • A city or county may adopt the state standard by order or ordinance.
    • Where a city or county has not adopted the state standard, DHSS enforces it until adoption.
    “City or county governments may adopt, by order or ordinance, the state standard [...] the department of health and senior services shall enforce the state standard”
  • Septic permitRequired

    Construction, major modification, or major repair of an onsite sewage disposal system inside Cosby village limits.

    • Except as otherwise provided in RSMo § 701.031.
    • The person must notify the city, county, or department; complete the department form; submit the fee set by the administering city, county, or department; and obtain a construction permit.
    “Except as otherwise provided in section 701.031, no person may [...] construct [...] an on-site sewage disposal system without [...] obtaining a construction permit.”
  • Septic inspectionLimited

    Onsite sewage systems constructed, modified, or repaired inside Cosby village limits when notice is given under the referenced state provisions.

    • The inspection aggregate is up to 60 percent for work by registered contractors.
    • The inspection aggregate is at least 75 percent for work by persons not registered under RSMo §§ 701.053 to 701.055.
    • A city, county, or department may accept specified contractor certification without an on-site inspection.

    inspection share for registered-contractor work: <= 60 percent (Aggregate share under RSMo § 701.043(3).) · inspection share for unregistered-person work: >= 75 percent (Aggregate share under RSMo § 701.043(3).)

    “up to sixty percent of on-site sewage disposal systems [...] by contractors registered [...] and at least seventy-five percent [...] by persons not registered”
  • Well permitLimited

    Water-well construction inside Cosby village limits.

    • Drillers and pump installers who charge for their services must have a permit.
    • Landowners drilling their own well or installing their own pump are exempt from permit requirements but must comply with the remaining rules.
    “Well drillers and pump installers who charge for their services must have a permit [...] Landowners who drill their own well [...] are exempt from permit requirements”

Still unanswered

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

  • Building permit — Residential building work inside Cosby village limits.
  • Owner-builder exemption — Owner-built residential structures inside Cosby village limits.
  • Building code adopted — Building-code adoption for construction inside Cosby village limits.
  • Inspections — Building inspections for construction inside Cosby village limits.
  • Certificate of occupancy — Occupancy of structures inside Cosby 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
  • Off-grid sanitation
  • 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 Cosby publishes no rule on the point, not that none exists. Andrew County’s page lists the county offices to call.

← All of Andrew County: county rules, score and offices