Unincorporated Clay County, Arkansas appears not to require a local building permit, but we could not confirm a current county process on an official county page1. The Arkansas Fire Prevention Code applies statewide, and the State Fire Marshal is the building official where there is no local building official2. The Arkansas Department of Health handles septic permits3.
At a glance
- Building permit
- No confirmed building-permit requirement in unincorporated Clay County1
- Zoning
- Countywide rule unconfirmed; municipal zoning varies, and Piggott publishes zoning regulations45
- Septic permit
- Required statewide; Arkansas Department of Health issues it36
- Owner-builder
- Owner-builder exemption is from state contractor licensing, not permits or codes7
- Water well
- Must be built by a licensed Arkansas water well contractor8
- RV / tiny home living on your own land
- Single-parcel use unconfirmed; paid parks with 3+ spaces are regulated910
- Minimum lot size
- No general county minimum confirmed; drip-dispersal subdivision lots require at least 0.5 acre11
Who to call
Septic permits
Arkansas Department of Health - Environmental Health (Onsite Wastewater)
Onsite wastewater (septic) permits for Clay County and statewide; local applications are handled through the Department or its Authorized Agent for the county
4815 W. Markham Street, Slot 46, Little Rock, AR 72205
Also useful
Clay County's chief executive office; the county has no separate building, planning or zoning department, so this is the office to ask about any building, zoning, floodplain or road question for unincorporated land
151 South 2nd Ave, Piggott, AR 72454
Also useful
County records, including recorded deeds and plats for land in Clay County; also keeps a second office in Corning at (870) 857-3480
151 South 2nd Ave, Piggott, AR 72454
Contact details are copied from each office’s official page and were checked against it on October 5, 2026.
Off-grid gear
Going off-grid in Clay 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 Clay County, Arkansas?
We could not confirm a current building-permit or inspection process for unincorporated Clay County on an official county page. The available county information points toward no local building-permit requirement, but buyers should verify the parcel before construction1. Call the Clay County Judge's Office at (870) 598-2667 to ask whether a county permit or inspection applies12. The Arkansas Fire Prevention Code is the statewide fire and building code, and the State Fire Marshal is the building official where there is no local building official2. An owner-builder exemption from state contractor licensing does not waive any permit, inspection, building-code or wastewater requirement7. Arkansas's exemption for work on nonresidential farm buildings is likewise limited to specified electrical licensing and electrical-code-authority requirements13.
Does Clay County have zoning?
We could not confirm a countywide zoning ordinance for unincorporated Clay County on an official county page4. Local rules are not uniform across Clay County: Piggott publishes zoning regulations governing structures, structural distance, parking and loading within the city, while the available material does not establish zoning for unincorporated land5. Buyers inside a municipality should therefore ask that city about zoning before designing a project. Arkansas municipalities must allow at least one accessory dwelling unit by right on a parcel with a single-family dwelling, although fire, zoning, design and other applicable rules still apply; that law does not establish the same right on unincorporated land14. For rural parcels, ask the Clay County Judge's Office at (870) 598-2667 about setbacks, minimum dwelling size and any parcel-specific land-use rule12.
How do septic permits work in Clay County?
Every onsite wastewater system in Clay County needs state approval rather than a county septic permit. The Arkansas Department of Health, or its Authorized Agent where one has been designated, must approve the application before construction3. A Permit for Construction is required before building, altering, repairing or extending a system, and the system cannot be used until inspection and issuance of a Permit for Operation615. Clay County has 0% of soils rated free of severe limits for a conventional drain field, so arrange a parcel-level evaluation before fixing the house site16. Off-grid sanitation is not a permit-free workaround: only Department-authorized, pre-manufactured composting or incinerating toilets may be used, other wastewater still needs approved treatment or disposal, and a licensed septic installer must install an alternate system17. A subdivision lot using drip dispersal must be at least 0.5 acre; that is a septic design standard, not a general Clay County minimum lot size11.
Can you live in an RV or tiny home on your land in Clay County?
We could not confirm whether you can occupy a single RV or tiny home on your own unincorporated Clay County land. Arkansas treats a parcel as a regulated recreational-vehicle park when at least 3 spaces are occupied or intended for occupancy and placement or maintenance services are provided for a fee18. Under that park rule, a tiny house on wheels is treated as a mobile home when plumbed and inspected under the Arkansas Plumbing Code, or as an RV when it is not; Department of Health approval is required before park construction or alteration begins10. Those park rules do not answer whether one RV or one tiny home may be occupied on a private parcel10. Ask the Clay County Judge's Office at (870) 598-2667 before living in either unit or using one during construction12.
Building a home in Clay County: the steps, in order
- Call the Clay County Judge's Office at (870) 598-2667 to ask whether a building permit, inspection, zoning rule or setback applies to the parcel1214.
- Confirm the design against the Arkansas Fire Prevention Code; where there is no local building official, the State Fire Marshal is the building official2.
- Get a septic site evaluation early because 0% of Clay County soils are rated free of severe conventional drain-field limits16.
- Obtain the septic Permit for Construction before installation, then inspection and the Permit for Operation before use19615.
- Use a licensed Arkansas Water Well Contractor for contracted well construction or pump installation8.
- Obtain Arkansas Department of Transportation approval before building a driveway in a state-highway right-of-way20.
- If acting as your own contractor, remember that the state licensing exemption does not waive code, permit, inspection or wastewater rules7.
What to check before you buy land in Clay County
Septic suitability is the clearest constraint: 0% of Clay County soils are rated free of severe limits for a conventional drain field, so make the purchase contingent on a parcel-level evaluation if onsite wastewater is essential16. If land is being divided, ask whether the Arkansas onsite-wastewater subdivision rules apply before assuming that every proposed lot is buildable21. The terrain is generally gentle, with 93.4% of land at 15% slope or less, while 21.1% is wooded2223. Clay County averages 49.8 inches of precipitation a year and experiences severe drought in about 7% of years2425. Before closing, also confirm legal road access, floodplain requirements and any deed restrictions with the Clay County Judge's Office and check the recorded deed and plat with the Clay County Clerk's Office1226. The effective property-tax rate is about 0.5%, and the median annual property-tax bill is about $4592728.
Watch-outs
- We could not confirm from an official Clay County government page whether the county requires a building permit or has adopted zoning; the county's own website, claycountyarkansas.org, lists no building, codes or planning department and publishes no building-code or zoning page of its own121.
- We could not confirm floodplain-development rules, driveway-access rules for county roads, or short-term-rental rules for Clay County; ask the Clay County Judge's Office at (870) 598-2667 about each before you buy or build12.
- State park rules for 3 or more fee-based RV, tiny-home or mobile-home spaces do not answer whether you can occupy one RV or tiny home on your own land; that answer remains unconfirmed for Clay County10.
Sources
- Clay County Code of Ordinances, Chapter 13 (Urban/Rural Development) (2026 county census)
- Summary Agenda - May 18, 2022: 2021 Arkansas Fire Prevention Code, quoted and re-checked
- Rules Pertaining to Onsite Wastewater Systems (2024), quoted and re-checked
- Clay County Code of Ordinances, Chapter 13 (Urban/Rural Development) (2026 county census)
- City of Corning Zoning Code, quoted and re-checked
- Rules Pertaining to Onsite Wastewater Systems (2024), quoted and re-checked
- Arkansas Residential Contractors Committee Rules, quoted and re-checked
- 17 CAR § 11-306. Water well contractor licenses, quoted and re-checked
- 20 CAR § 138-101. Definitions, quoted and re-checked
- 20 CAR § 138-101. Definitions, quoted and re-checked
- 14 CAR § 21-405. Subdivisions, quoted and re-checked
- Clay County Judge's Office (claycountyarkansas.org)
- 17 CAR § 210-602. Construction and exemptions, quoted and re-checked
- Act 313 of the Regular Session: Accessory dwelling units, quoted and re-checked
- Rules Pertaining to Onsite Wastewater Systems (2024), 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
- Rules Pertaining to Onsite Wastewater Systems (2024), quoted and re-checked
- 20 CAR § 138-102. Compliance, quoted and re-checked
- Arkansas Department of Health - Environmental Health (Onsite Wastewater) (healthy.arkansas.gov)
- Regulations: Rules for Access Driveways to State Highways (Arkansas statewide rule), quoted and re-checked
- 14 CAR § 21-405. Subdivisions, quoted and re-checked
- Share of land at 15% slope or less: Bolthole Index county data
- Wooded share of land: Bolthole Index county data
- Annual precipitation: Bolthole Index county data
- Share of years in severe drought: Bolthole Index county data
- Clay County Clerk's Office (claycountyarkansas.org)
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
Written October 5, 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.