Hickory County, Missouri has no county building codes, so an ordinary rural home does not go through county building-code review12. Septic is different: covered wastewater construction, installation or renovation requires a Hickory County Health Department permit34. Countywide zoning and rules for RV or tiny-home occupancy could not be confirmed, so ask the County Clerk about land-use limits and the Health Department about wastewater before committing to a parcel5.
At a glance
- Building codes
- Hickory County has not adopted county building codes12
- Building permit
- No general county residential building-permit program is documented1
- Zoning
- Countywide zoning could not be confirmed; ask the County Clerk about the parcel5
- Septic permit
- Required for covered wastewater work below 3,000 gallons per day4
- Septic fee
- The county posts $200, but a state fee suspension took effect in 2026; confirm before paying46
- RV and tiny home
- Occupancy rules could not be confirmed; wastewater requirements still apply57
- Private well
- A landowner may install a personal well or pump without a permit, while contractors need state permits8
- State-highway driveway
- Construction or modification within MoDOT right-of-way requires a permit9
Who to call
Septic permits
Hickory County Health Department
On-site wastewater permits, inspections and installer registration; private drinking-water testing and well inspections
24885 Hwy 254, Hermitage, Missouri 65668
Contact details are copied from each office’s official page and were checked against it on September 28, 2026.
Do you need a building permit in Hickory County, Missouri?
Hickory County has no adopted county building codes and does not require a general residential building permit12. That means an ordinary rural house, cabin, barn or shop does not face a county building-code plan review, but it does not erase septic, highway-access or other agency approvals149. Missouri gives building-code authority only to specified counties, and voter approval is required under that framework when an eligible county had not adopted a code before the statutory cutoff10. Hickory County's official FAQ specifically flags its sewer ordinance as the exception readers should not overlook2. General building inspections and certificates of occupancy could not be confirmed, so ask the County Clerk whether a parcel inside a city or another special jurisdiction faces separate requirements1.
Who handles building and permit questions in Hickory County?
Hickory County does not document a general county building department because it has no adopted county building codes12. The Hickory County Health Department is the practical first stop for rural construction because it handles on-site wastewater permitting and inspections, private drinking-water testing and well inspections11. The office is at 24885 Hwy 254 in Hermitage and can be reached at (417) 745-213811. For a state-route entrance, MoDOT—not the county health office—issues the right-of-way permit for constructing or changing a driveway9. For zoning, subdivision, floodplain or certificate-of-occupancy questions, no applicable county office or adopted rule could be confirmed; ask the County Clerk to identify the authority for the exact parcel5. A property inside an incorporated municipality may have rules that do not apply to unincorporated Hickory County12.
Does Hickory County have zoning?
Countywide zoning in Hickory County could not be confirmed from official county material5. Missouri law allows eligible counties to begin county zoning only after a majority of votes cast favors it, and that county authority concerns unincorporated territory12. The safe parcel-level answer is therefore to ask the County Clerk whether the land is unincorporated and whether any county, municipal or special-jurisdiction rule applies512. Minimum dwelling size, building setbacks, lot coverage, height limits and subdivision standards also could not be confirmed for unincorporated Hickory County5. Missouri separately protects farm buildings from county fire-protection or fire-prevention permit requirements, but that protection does not create a blanket exemption from septic, floodplain, subdivision or other land-use rules13.
How do septic permits work in Hickory County?
The Hickory County Health Department requires a construction permit before covered wastewater facilities below 3,000 gallons per day are constructed, installed or renovated4. The application must include a site evaluation and system sketch, and the department approves an individual system's type and capacity before issuing the permit4. A qualifying single-family lot of at least 3 acres is exempt only when every system point stays at least 10 feet from a property line, effluent does not enter adjoining land, and the system creates neither contamination nor a nuisance7. No acreage exemption applies beside a lake operated by the Corps of Engineers or a public utility7. The county posts a $200 construction-permit fee, while the state says application fees for onsite-system construction, modification and repair were temporarily suspended effective August 28, 2026; confirm the amount currently collected before applying46. Only 3.8% of county soils avoid severe limits for conventional drain fields, so arrange the site evaluation before choosing a house location14.
Can you live in an RV or tiny home in Hickory County?
Hickory County's rules for living full-time in an RV, tiny home or manufactured home on private rural land could not be confirmed5. The absence of county building codes does not by itself establish permission to occupy any of those units15. Wastewater rules still matter: the county ordinance covers subsurface systems, privies, chemical toilets and single-family lagoons, and covered work needs a permit unless a stated exemption applies7. Wastewater may not simply discharge onto the ground or into a road ditch15. Before buying for RV or tiny-home use, ask the County Clerk about occupancy and land-use rules for the exact parcel, then describe the proposed unit and wastewater method to the Hickory County Health Department511. A municipal parcel may be subject to local rules distinct from unincorporated Hickory County12.
Building a home in Hickory County: the steps, in order
- Confirm whether the parcel is unincorporated and ask the County Clerk about zoning, subdivision, floodplain and occupancy requirements that could not be confirmed countywide5.
- Have the homesite and wastewater area evaluated early because only 3.8% of Hickory County soils avoid severe limitations for a conventional drain field14.
- Apply to the Hickory County Health Department before covered septic construction, installation or renovation begins, and confirm whether the posted $200 fee is currently collected46.
- Decide who will handle the well: a landowner may install a personal well or pump without a permit, while a contractor must hold the applicable state permit8.
- Obtain a MoDOT permit before constructing or modifying a driveway within state right-of-way9.
- Keep each approval with the project even though Hickory County has no general building-code review1.
What should you check before buying land in Hickory County?
Start with wastewater feasibility: only 3.8% of Hickory County soils avoid severe limits for a conventional drain field, making the soil evaluation central to both the site plan and budget14. Check whether the tract borders a Corps of Engineers or public-utility lake because the county's acreage-based septic exemption does not apply there7. Verify legal access and identify whether the driveway meets a county road or state right-of-way, since MoDOT requires a permit only for work in its right-of-way9. Ask the County Clerk whether a recent split required a subdivision plat and whether floodplain administration applies, because neither rule could be confirmed for unincorporated Hickory County516. Typical property tax is about 0.5%, and the median annual bill is about $5811718. Hickory County is 53.1% wooded, while 58.9% of its land is at a slope of 15% or less, so inspect clearing, drainage and driveway grades on the ground1920.
Watch-outs
- The county posts a $200 septic construction-permit fee, but Missouri temporarily suspended onsite-system application fees effective August 28, 2026; confirm the amount currently due with the Health Department46.
- An acreage-based septic exemption never applies to land adjacent to a Corps of Engineers or public-utility lake7.
- RV, tiny-home, manufactured-home, subdivision and county floodplain rules could not be confirmed; ask the County Clerk which authority governs the parcel before buying516.
Sources
- Hickory County, Missouri - FAQ (2026 county census)
- FAQ – Hickory County, Missouri, quoted and re-checked
- Hickory County Wastewater Ordinance (2026 county census)
- Hickory County Wastewater Ordinance, quoted and re-checked
- Hickory County, Missouri - FAQ (2026 county census)
- OWTS Construction Permit Process (Missouri statewide rule), quoted and re-checked
- Hickory County Wastewater Ordinance, quoted and re-checked
- Water Wells - PUB2945, quoted and re-checked
- Permits | Missouri Department of Transportation (Missouri statewide rule), quoted and re-checked
- RSMo § 64.170 — County commissions control construction and issue building permits (Missouri statewide rule), quoted and re-checked
- Hickory County Health Department (hickorycountyhealth.org)
- RSMo § 64.090 — Planning and zoning powers of county commission (Missouri statewide rule), quoted and re-checked
- RSMo Section 64.003 — Farm buildings and farm structures (Missouri statewide rule), quoted and re-checked
- Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
- Frequently Asked Questions (Missouri statewide rule), quoted and re-checked
- Laws and Regulations That Might Affect You if You Mine Sand or Gravel From Missouri Streams (Missouri statewide rule), quoted and re-checked
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
- Wooded share of land: Bolthole Index county data
- Share of land at 15% slope or less: Bolthole Index county data
Written September 28, 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.