Buying Land in Howard County, Missouri

No county zoning: what applies outside Fayette, Glasgow, New Franklin, and Armstrong

Missouri counties are not zoned by default -- county planning and zoning authority under RSMo Chapter 64 is adopted county by county, and Howard County's unincorporated areas have not adopted it. That means there's no Howard County zoning department, no countywide zoning map, and generally no conditional-use permit process standing between a landowner and most uses of unincorporated land. The county's incorporated cities -- Fayette (the county seat), Glasgow, New Franklin, and Armstrong -- each maintain their own municipal codes, so building and use questions change sharply once a parcel is inside city limits.

Whether the county has separately adopted a building code independent of zoning is less settled in the public record than the no-zoning finding itself: one third-party regulatory summary states that Howard County has adopted the International Building and Residential Code (which would mean a building permit and inspection process applies even without zoning), while a Missouri state dataset tracking county-by-county building-code adoption indicates no building code is on file for Howard County. Because these two sources conflict and direct access to the state dataset was blocked during this research pass, don't assume either answer -- call the County Commission (1 Courthouse Square, Fayette, MO 65248; 660-248-2193) directly to confirm current building-permit requirements before starting a project on unincorporated land here.

As in any non-zoned Missouri county, the absence of zoning cuts both ways: there's no formal process standing between a neighboring parcel's use and a future change to that use, so any assurance about a neighboring use staying the same has to come from a private agreement or deed restriction rather than county zoning. We also could not confirm from public sources whether Howard County has separately adopted Chapter 64 subdivision regulations governing plat review for new subdivisions -- confirm that directly with the Commission as well.

Wells and septic: the county health department's own inspection program

Onsite wastewater treatment (septic) and private well work in Howard County runs through the Howard County Public Health Department (600 W. Morrison St., Fayette, MO 65248; 660-248-3100), which operates a Well & Septic Program on top of the underlying state OWTS framework administered under Chapter 701 RSMo and Missouri Department of Health and Senior Services rules. The department's environmental health staff conduct their own inspections of well and onsite sewage-disposal installations and test water from private drinking wells -- a more actively managed local program than a bare pass-through of the state minimum in some other rural Missouri counties.

That hands-on approach shows up in practical ways: as of late March 2026, the department had formally closed out wet-season percolation testing for the year based on declining water-table readings from its own monitoring wells, illustrating that perc-test timing and results here can be seasonally sensitive rather than a year-round constant. If you're planning a build that depends on a specific septic design, ask the department directly where the current water table stands and whether wet-season testing restrictions are in effect before you commit to a site plan. Private wells are otherwise governed by the same statewide Missouri Department of Natural Resources well-construction rules that apply everywhere in the state.

The Missouri River border: recurring flood-stage closures, not a unique levee story

Howard County's southern and eastern edge runs along the Missouri River, historically the point where the Boonslick Trail crossed toward the Boonville area (the original town of Franklin, an early county seat and Santa Fe Trail starting point, sat in the Howard County river bottom until the river itself washed much of the original townsite away in the 1820s -- a reminder that this stretch of river has always reshaped the land around it). In the present day, the Route 40 bridge connecting Howard County to Boonville in Cooper County has closed repeatedly during Missouri River flood-stage events reported by the National Weather Service and MoDOT in recent years, along with low-lying rural roads such as Easley River Road at higher flood stages.

This is a genuine, recurring practical consideration for river-bottom land and for access generally -- but it's a shared regional Missouri River flood pattern affecting Howard, Cooper, Boone, and other river counties together, rather than a Howard-County-specific levee-district story with its own accreditation history and federal study the way some other Missouri River counties have. If you're evaluating river-adjacent bottomland here, confirm the specific parcel's FEMA flood-zone designation through the Map Service Center and ask the county floodplain administrator about any levee protection in that stretch, but don't expect a unique county-level flood program beyond the standard NFIP framework.