Unincorporated Pulaski County, Missouri does not require a county building permit for a home, but the County Clerk & Commission should confirm that answer for a specific parcel12. Countywide zoning remains unconfirmed, so ask the same office before relying on an assumed setback, minimum size or RV rule32. Missouri DHSS is the current onsite wastewater authority for Pulaski County4.
At a glance
- Building permit
- Not required for a home in unincorporated Pulaski County; confirm the parcel with the County Clerk & Commission12
- Zoning
- Countywide status is unconfirmed; ask the County Clerk & Commission about the parcel32
- Septic permits
- Missouri DHSS is the current Pulaski County OWTS authority4
- RV living
- No Pulaski County rule was confirmed; ask the County Clerk & Commission before occupying an RV32
- Tiny homes
- Occupancy, minimum-size and setback rules were not confirmed; ask the County Clerk & Commission32
- Owner-builder
- An owner may build, but no general owner-builder exemption was confirmed5
- State-highway driveway
- A MoDOT right-of-way permit is required for construction or modification6
Who to call
Also useful
Pulaski County Clerk & Commission
General county administration and parcel-specific questions about county building permits, zoning and land use
301 Historic Rt. 66 E., Waynesville, MO 65583
Septic permits
Missouri DHSS Onsite Wastewater Treatment Program
OWTS construction permits and general permitting questions for state-administered counties, including Pulaski County
PO Box 570, Jefferson City, MO 65102-0570
Septic permits
Pulaski County Health Department, Environmental Public Health
Local environmental public-health questions and complaints
104 Ashley May Street, Suite 102, PO Box 473, Waynesville, MO 65583
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 Pulaski County, Missouri?
An ordinary home in unincorporated Pulaski County does not require a county building permit1. Pulaski County does not publish a page expressly stating the permit rule, so call the County Clerk & Commission before construction if a lender, insurer or contractor needs written verification12. Missouri adopts fire and building codes locally rather than through one uniform statewide building code7. Missouri's statutory county building-code authority is limited to counties of the first and second classification, and a qualifying county that had not adopted a code before the statutory cutoff needs voter approval before adopting one under that authority8. A farm-building exemption in state law concerns county fire-protection and fire-prevention ordinances; it is not a blanket exemption from septic, floodplain, zoning or other land-use requirements9.
Who handles Pulaski County building permits and land-use questions?
Pulaski County has no confirmed building-permit office for unincorporated residential construction, so the Pulaski County Clerk & Commission is the practical first contact for parcel-specific building, zoning and land-use questions12. Reach the office at 573-774-4701 or [email protected], or visit 301 Historic Rt. 66 E. in Waynesville2. Ask whether the parcel lies inside an incorporated municipality, because Missouri building and fire codes are adopted locally and a city may have its own requirements7. Ask separately about a certificate of occupancy, county-road access and floodplain development because Pulaski County requirements for those subjects could not be confirmed. A driveway constructed or modified within MoDOT right-of-way requires a state permit6. MoDOT accepts right-of-way applications online, through the area Traffic Specialist or by mail, and the Traffic Specialist must be contacted at least 48 hours before work begins10.
Does Pulaski County, Missouri have zoning?
Pulaski County's countywide zoning status could not be confirmed from an official county or state source3. Do not treat the absence of a confirmed zoning office as proof that an unincorporated parcel has no zoning, setbacks, minimum lot size, minimum dwelling size, height limit or lot-coverage rule3. Ask the County Clerk & Commission to identify any county ordinance affecting the parcel and to confirm whether the address is inside municipal limits2. Missouri law allows a first-class noncharter county or a county of the second, third or fourth class to begin county zoning only after the question goes to county voters and a majority favors it; the resulting authority concerns unincorporated territory11. That statewide framework explains how zoning may be adopted, but it does not establish Pulaski County's present status11. Rules for subdivisions, accessory dwellings, manufactured homes and short-term rentals also remain unconfirmed, so include those uses in the same parcel-specific call.
How do septic permits work in Pulaski County?
Missouri DHSS is the current regulatory authority for onsite wastewater treatment systems in Pulaski County4. A construction permit is required before installing or repairing most OWTS, and residential property under 3 acres requires a permit; possible exemptions must be confirmed before work begins12. Nonresidential onsite systems require a permit regardless of property size12. Contact the DHSS Onsite Wastewater Treatment Program at 573-751-6095 or [email protected] for permitting instructions13. The Pulaski County Health Department remains a local contact for environmental public-health questions and complaints at (573) 774-382014. DHSS or a local agency regulates qualifying domestic systems at or below 3,000 gallons per day, while DNR regulates larger-flow systems, non-individual lagoons, direct discharges and industrial wastewater15. Only about 9% of county soils avoid severe limits for a conventional drain field, so arrange a site and soil evaluation before fixing the house location or septic budget16.
Can you live in an RV or tiny home in Pulaski County?
Pulaski County's rules for long-term RV occupancy, temporary camping and tiny-home occupancy could not be confirmed. Countywide zoning also remains unconfirmed, so the lack of a published rule is not permission to occupy an RV or tiny home on an unincorporated parcel3. Before buying or moving onto land, ask the County Clerk & Commission about RV occupancy, temporary camping, minimum dwelling size, setbacks, accessory dwellings and manufactured homes for the specific parcel2. A dwelling's small size or off-grid setup does not remove the wastewater question: most new or repaired onsite systems require a construction permit, and residential parcels under 3 acres require one unless the appropriate authority confirms an exemption12. Missouri does not allow domestic wastewater to be discharged onto the ground or into a road ditch17. For a tiny home inside a city, contact that municipality because Missouri building codes are adopted locally7.
Building a home in Pulaski County: what are the steps?
- Ask the County Clerk & Commission to confirm that the parcel is in unincorporated Pulaski County and to identify any zoning, floodplain, access or subdivision rule tied to it23.
- Obtain a site and soil evaluation early because only about 9% of county soils avoid severe limits for a conventional drain field16.
- Contact Missouri DHSS before septic work; most installations and repairs require a construction permit, including residential systems on parcels under 3 acres unless an exemption is confirmed1213.
- Determine who controls the road. Construction or modification of a driveway in MoDOT right-of-way requires a state permit6.
What should you check before buying land in Pulaski County?
Start with septic feasibility: only about 9% of Pulaski County soils avoid severe limitations for a conventional drain field, so a soil evaluation can change the usable building area and system cost16. About 59.7% of the county is at a slope of 15% or less, and about 72% is wooded, making an on-site review of grade, clearing and access more useful than county averages alone1819. Federal land covers about 28.9% of the county, so verify the surveyed parcel boundary and legal access rather than inferring them from nearby open land20. County floodplain-development rules, private-well requirements, utility-connection rules and county-road driveway permits could not be confirmed; ask the County Clerk & Commission which office controls each issue for the parcel2. Missouri real-estate transfer inspections of existing septic systems are generally no longer performed by local public-health agencies, but a buyer or lender may hire a licensed inspector and local standards can be stricter21. The effective property-tax rate is about 0.6%, with a median annual bill near $1,1592223.
Watch-outs
- Pulaski County does not require a county building permit for an ordinary unincorporated home, but ask the County Clerk & Commission for parcel-specific confirmation because the county does not publish the process12.
- Pulaski County's zoning, RV-occupancy, tiny-home, setback and minimum-size rules remain unconfirmed; do not read an absent online rule as approval3.
- Pulaski County septic authority is Missouri DHSS, and residential property under 3 acres requires an OWTS construction permit unless the appropriate authority confirms an exemption412.
- Do not confuse Pulaski County, Missouri with Pulaski County, Virginia; the Missouri county office is at 301 Historic Rt. 66 E. in Waynesville2.
Sources
- State of Missouri Data Portal - County Building Codes for Missouri (2026 county census)
- Pulaski County Clerk & Commission (pulaskicountymo.org)
- (2026 county census)
- On-Site Wastewater Treatment Systems, quoted and re-checked
- State of Missouri Data Portal - County Building Codes for Missouri (2026 county census)
- Permits | Missouri Department of Transportation (Missouri statewide rule), quoted and re-checked
- RSMo Section 64.170 (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
- RSMo Section 64.003 — Farm buildings and farm structures (Missouri statewide rule), quoted and re-checked
- Permit Process | Missouri Department of Transportation (Missouri statewide rule), quoted and re-checked
- RSMo § 64.090 — Planning and zoning powers of county commission (Missouri statewide rule), quoted and re-checked
- OWTS Construction Permit Process, quoted and re-checked
- Missouri DHSS Onsite Wastewater Treatment Program (health.mo.gov)
- Pulaski County Health Department, Environmental Public Health (pulaskicountyhealth.com)
- On-site Septic Systems and Subdivisions (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
- Share of land at 15% slope or less: Bolthole Index county data
- Wooded share of land: Bolthole Index county data
- Federal land share: Bolthole Index county data
- Onsite Wastewater Treatment System Inspections Versus Evaluations (Missouri statewide rule), quoted and re-checked
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: 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.