Andrew County, 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.
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.
Onsite sewage disposal systems inside Cosby village limits, subject to the state-law allocation of enforcement authority.
“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”
Construction, major modification, or major repair of an onsite sewage disposal system inside Cosby village limits.
“Except as otherwise provided in section 701.031, no person may [...] construct [...] an on-site sewage disposal system without [...] obtaining a construction permit.”
Onsite sewage systems constructed, modified, or repaired inside Cosby village limits when notice is given under the referenced state provisions.
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”
Water-well construction inside Cosby village limits.
“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”
We looked and could not find an official answer yet. Silence is not permission; ask Village of Cosby or Andrew 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 Village of Cosby publishes no rule on the point, not that none exists. Andrew County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Village of Cosby means bringing your own water and power. The kit we’d start with:
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