Unincorporated Texas County, Missouri appears not to require a county residential building permit; confirm with the County Clerk before construction12. County zoning appears absent; Licking and Houston issue city building permits, while Licking, Houston and Cabool set city zoning345678. Start septic questions with Texas County Health Department, which administers the local ordinance; most systems need a construction permit unless an exemption applies910.
At a glance
- Building permit
- Appears not required on unincorporated land; confirm with the County Clerk12
- County zoning
- Appears absent; confirm parcel restrictions with the County Clerk3
- City building permits and zoning
- Licking and Houston issue building permits; Licking, Houston and Cabool set zoning45678
- Septic permits
- Texas County Health Department administers the local ordinance; most systems need a construction permit910
- Septic exemption
- Conditional for qualifying single-family lots; confirm eligibility before work11
- RV and tiny-home living
- Not confirmed; ask the County Clerk and the relevant city if incorporated312
- Private wells
- Contractors need a state permit; a narrow landowner exemption applies13
- Septic soil difficulty
- Only 9.1% of county soils are rated “not limited” for conventional drain fields; evaluate the site14
Who to call
Septic permits
Texas County Health Department
On-site sewage disposal questions and permit-to-construct applications
950 N. Hwy 63, Houston, MO 65483
Also useful
County records and first-contact questions about permits, planning and parcel jurisdiction
210 N Grand Ave, Suite 311, Houston, MO 65483
Contact details are copied from each office’s official page and were checked against it on October 12, 2026.
Off-grid gear
Going off-grid in Texas County means bringing your own water and power. The kit we’d start with:
- Water Crystal Quest Filter any source — well, rain, or creek — to drinking-clean.
- Power Bluetti Solar generators and home battery backup for living off the grid.
- Septic Soil percolation test kit Run your own perc test before paying an engineer — the first thing a septic office asks about.
- Water Well water test kit Bacteria, nitrates, hardness — know what the well on a parcel is really pumping.
These are affiliate links — we may earn a commission, at no cost to you. As an Amazon Associate, Bolthole Index earns from qualifying purchases.
Do you need a building permit in Texas County, Missouri?
Unincorporated Texas County, Missouri appears not to require a residential building permit, but we could not confirm the county's building-permit, inspection or occupancy requirements; ask the County Clerk before construction12. Missouri has no uniform statewide building code; qualifying counties may adopt codes locally15. Inside Licking, covered building work requires a city-issued building permit; Houston also requires a building permit before covered construction or alterations begin46. City building approval does not settle septic approval: start with Texas County Health Department, which may refer incorporated-area systems to DHSS9. Missouri's farm-structure protections are conditional: county fire ordinances cannot require permits for farm buildings, while separate agricultural land-use protection excludes mapped flood-hazard areas1617.
Who handles Texas County building-permit questions?
For unincorporated Texas County building-permit questions, start with the Texas County Clerk at 210 N Grand Ave, Suite 311, Houston, MO 65483, 417-967-21122. Give the Clerk the parcel number or road address and ask whether the property is unincorporated and whether building, subdivision or floodplain review applies. The Texas County Health Department separately administers the county onsite-wastewater ordinance and handles septic questions at 950 N. Hwy 63, Houston, MO 65483, 417-967-4131918. Some wastewater systems instead fall to state regulators based on flow, discharge method or system type19. A driveway in Missouri Department of Transportation right-of-way requires a MoDOT access permit20.
Does Texas County have zoning?
Unincorporated Texas County appears to have no county zoning, but we could not confirm an adopted zoning order or an explicit county no-zoning statement3. Ask the County Clerk about setbacks, minimum lot size, minimum dwelling size, building height and subdivision approval for the parcel2. Licking, Houston and Cabool administer their own zoning inside city limits578. City zoning does not replace septic review: Texas County Health Department administers the local wastewater ordinance, with some incorporated-area systems referred to DHSS9. Agricultural status does not erase floodplain review: state protection for farm buildings under county land-use provisions excludes mapped flood-hazard areas21. Missouri exempts stormwater from standard farming practices and irrigation return flows from state water-pollution permitting, but harmful discharges remain restricted and concentrated animal feeding operation rules still apply22.
How do septic permits work in Texas County?
Texas County Health Department administers the local onsite-wastewater ordinance, which may add requirements beyond state minimums; confirm the address-specific authority and obtain a construction permit or confirmed exemption before installation or repair910. A single-family residence on at least 3 acres may qualify for exemption, but a Notice of Violation requires a permit for renovation or changes regardless of acreage until a proper system is installed11. Additional residences need 10 acres per residence and at least 360 feet between every point of the sewage systems to qualify11.
A soils morphology report starts the design process, and only 9.1% of Texas County soils are rated “not limited” for a conventional drain field1114. If conventional laterals will not work, an engineer must design an alternative for an advanced installer; a lagoon may be allowed if setbacks are met and does not require an engineer11. Systems must be installed by a Missouri-registered installer11. State law sets aggregate inspection percentages rather than requiring inspection of every individual system; ask Texas County Health Department about inspection scheduling for the proposed work2318.
State septic application fees have been temporarily suspended since August 28, 2026; ask the Health Department about current local charges and requirements rather than budgeting the former $90 state fee2418.
Can you live in an RV or tiny home in Texas County?
We could not confirm a Texas County rule allowing or prohibiting long-term RV occupancy, temporary camping or tiny-home occupancy on private land. Texas County is classified as having no county zoning, but no county page expressly confirms that conclusion3. Ask the Texas County Clerk whether a county order, subdivision condition, floodplain rule or the parcel's jurisdiction affects the proposed use2. Inside Houston, the city's zoning ordinance applies within city jurisdiction12. Regardless of dwelling type, untreated domestic sewage cannot be discharged as an off-grid alternative, and occupied buildings need compliant sanitary disposal25. Minimum dwelling size, manufactured-home placement and accessory residences also remain unconfirmed. A proposed campground or mobile-home park planning to use onsite wastewater requires Missouri Department of Natural Resources approval in addition to any individual-system review26.
Building a home in Texas County: the steps in order
- Ask the Texas County Clerk to confirm parcel jurisdiction and whether building, subdivision or county planning review applies2.
- Check the flood map before fixing a building site; all development in a Missouri floodplain requires a community floodplain development permit, and floodway work also requires an engineering No-Rise Certificate27.
- Start septic design with a soils morphology report because only 9.1% of county soils are rated “not limited” for a conventional drain field1411.
- Confirm the septic construction-permit or exemption path and current local fee with the Texas County Health Department before work112418.
- Obtain a MoDOT access permit for a driveway in state right-of-way20.
- Use a permitted well contractor or confirm that the narrow landowner exemption applies13.
What should you check before buying land in Texas County?
Make septic feasibility a purchase contingency: only 9.1% of Texas County soils are rated “not limited” for a conventional drain field, so a site evaluation matters even on permit-exempt acreage14. Ask the Health Department whether an existing system has records and consider a licensed private inspection; local public-health agencies generally do not inspect existing systems for real-estate transfers2818. Check flood maps before choosing a house, barn or driveway site because all floodplain development needs a community-issued permit, and the agricultural structure protection is conditional outside mapped flood-hazard areas2721. Determine whether the driveway enters MoDOT right-of-way, where an access permit is required20. Terrain and clearing affect cost: 72.3% of the county has a slope of 15% or less, and 58.4% is wooded2930. For budgeting, the effective property-tax rate is about 0.5% and the median annual property-tax bill is about $6523132.
Watch-outs
- We could not confirm Texas County's building-permit, inspection or occupancy requirements; ask the County Clerk before construction12.
- Licking, Houston and Cabool have their own zoning; the unincorporated county answer does not establish what a city parcel allows578.
- A septic acreage exemption does not overcome poor soil or a Notice of Violation3314.
- Development in a mapped floodplain needs a community floodplain development permit even when the project is agricultural2721.
Sources
- State of Missouri - County Building Codes for Missouri (data.mo.gov) (2026 county census)
- Texas County Clerk (texascountymissouri.gov)
- Texas County Board Directory (2026 county census)
- Licking: Chapter 14, Section 14-1 — Building permit requirements (Texas County), quoted and re-checked
- Licking: Appendix A, Section 3 — Zoning map (Texas County), quoted and re-checked
- Houston: Code of Ordinances, Sec. 25-23.10. Enforcement (Texas County), quoted and re-checked
- Houston: Code of Ordinances, Sec. 25-12.10. Definitions (Texas County), quoted and re-checked
- Cabool: Chapter 400 Zoning Code - City of Cabool, MO (Texas County), quoted and re-checked
- OWTS Construction Permit Process, quoted and re-checked
- OWTS Construction Permit Process, quoted and re-checked
- OWTS Construction Permit Process, quoted and re-checked
- City of Houston Planning and Zoning Ordinance, quoted and re-checked
- RSMo § 256.607 — Well installation contractor, permit, quoted and re-checked
- Share of soils USDA rates "not limited" for a conventional septic drain field (SSURGO). A strict rating: the median county is about 6% and a tenth of counties are 0%, so a low figure means most lots need a site evaluation or an engineered system, not that septic is impossible. Cite it only with that caveat: Bolthole Index county data
- RSMo Section 64.170 (Missouri statewide rule), quoted and re-checked
- RSMo Section 64.003 — Farm buildings and farm structures (Missouri statewide rule), quoted and re-checked
- RSMo Section 64.620 — Building restrictions — limitations on regulations, quoted and re-checked
- Texas County Health Department (texascountyhealth.org)
- On-site Septic Systems and Subdivisions, quoted and re-checked
- Permits | Missouri Department of Transportation (Missouri statewide rule), quoted and re-checked
- RSMo Section 64.620 — Building restrictions — limitations on regulations, quoted and re-checked
- RSMo Section 644.059 — Agricultural storm water discharge exemption, quoted and re-checked
- revisor.mo.gov, quoted and re-checked
- OWTS Construction Permit Process — Temporary Permit Fee Suspension, quoted and re-checked
- RSMo § 701.031 — Disposal of sewage, who, how, exception, quoted and re-checked
- OWTS Construction Permit Process (Missouri statewide rule), quoted and re-checked
- Floodplain Forms, quoted and re-checked
- Onsite Wastewater Treatment System Inspections Versus Evaluations (Missouri statewide rule), quoted and re-checked
- Share of land at 15% slope or less: Bolthole Index county data
- Wooded share of land: Bolthole Index county data
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
- Texas County Health Department—Sewage Disposal, quoted and re-checked
Written October 12, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.