Unincorporated Bowie County, Texas does not require a county building permit, and the county has no zoning ordinance12. Inside Texarkana, the city runs building permits and zoning; Bowie County's Health Inspections Department remains the contact for septic permits134.
At a glance
- Building permit
- Not required by the county in unincorporated areas; cities issue their own1
- Zoning
- No county zoning in unincorporated areas; Texarkana has city zoning25
- Septic permits
- Bowie County Health Inspections Department (TCEQ authorized agent)6748
- Septic permit fee
- $325 residential / $425 commercial9
- RV living
- Unrestricted in unincorporated Bowie County10
- Tiny home
- Unrestricted in unincorporated Bowie County10
- Minimum home size
- None set in unincorporated Bowie County10
- Owner-builder exemption
- State trade-license exemptions are conditional; no blanket exemption11
Who to call
Also useful
General county administration; the point of contact since Bowie County has no building or planning department for unincorporated land
710 James Bowie Drive, New Boston, TX 75570
Septic permits
Bowie County Health Inspections Department – Septic Systems (OSSF)
OSSF (septic) permit applications and fees for Bowie County, acting as the state's authorized agent
710 James Bowie Drive, New Boston, TX 75570
Contact details are copied from each office’s official page and were checked against it on October 9, 2026.
Off-grid gear
Going off-grid in Bowie 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.
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Do you need a building permit in Bowie County, Texas?
No. Unincorporated Bowie County does not require a county building permit for a home1. Texas county building authority is limited, and Bowie County's documented Fire Marshal work covers fire-safety inspections and plan reviews for specified business, commercial and institutional uses rather than a general residential building-permit program1213. Inside a municipality, ask that city's building department about its building permit; Bowie County's Health Inspections Department still handles the septic permit14.
Who issues building permits in Bowie County?
Bowie County has no general building department for homes in its unincorporated area1. A city building department issues any city building permit; confirm the parcel's city-limit status before applying1. The Bowie County Fire Marshal conducts fire-safety inspections for businesses, commercial facilities, schools and foster homes and reviews plans for specified nonresidential and institutional uses13. Bowie County's Health Inspections Department handles the separate septic permit, including for property where a city handles the building permit47. For unconfirmed residential inspection or certificate-of-occupancy questions outside a city, call the Bowie County Courthouse at 903-628-670014.
Does Bowie County have zoning?
Bowie County has no county zoning ordinance for unincorporated land2. The county therefore sets no zoning-based minimum lot size, setbacks, building-height limit, minimum home size or restriction on RV, tiny-home, manufactured-home or accessory-dwelling occupancy there10. That answer changes at a city limit: Texarkana, Texas has its own zoning districts, so its zoning approval and land-use rules apply inside the city5. Bowie County still handles septic applications even where municipal zoning applies4. Deed restrictions, subdivision rules and septic standards are separate from zoning.
How do septic permits work in Bowie County?
Bowie County's Health Inspections Department administers on-site sewage applications and is the county septic-system contact47. A septic permit and approved plan are generally required to construct, install, alter, extend, repair or operate an OSSF; the county lists a $325 residential application fee and a $425 commercial fee as of October 13, 20208. A single-family home on at least 10 acres qualifies for the Texas exemption only when every condition is met, including a licensed site evaluation or professional-engineer evaluation, a 100-foot property-line setback for every OSSF part, on-property effluent disposal, no nuisance or groundwater pollution and no other dwelling on the tract8. Only about 11% of mapped soils avoid severe limits for a conventional drain field, so investigate septic feasibility before fixing the house site15.
Can you live in an RV or tiny home on your land in Bowie County?
In unincorporated Bowie County, county zoning does not restrict RV or tiny-home occupancy and sets no minimum dwelling size10. That is a zoning answer, not permission to skip septic rules: off-grid wastewater generally needs an OSSF permit and approved plan, and the Texas exemption for a single-family home on at least 10 acres applies only when every site-evaluation, setback, pollution and single-dwelling condition is met16. Inside Texarkana, city zoning applies while Bowie County remains the septic contact34. We could not confirm countywide rules for utility connections, floodplain development or private deed restrictions, so resolve those before moving an RV or tiny home onto the parcel.
Building a home in Bowie County: the steps, in order
- Confirm whether the tract is unincorporated or inside a city; Texarkana has city zoning, while unincorporated Bowie County has no county building permit or zoning ordinance123.
- If the parcel is in a city, ask its building department about the building permit and zoning approval; keep the septic application with Bowie County Health Inspections47.
- Have the site evaluated and apply for the septic permit before fixing the house location815.
- If the project divides land outside municipal limits, determine whether a subdivision plat is required; qualifying agricultural, farm, ranch, wildlife-management or timber land may fit a limited plat exemption1718.
- For a new or changed driveway onto a state highway, submit TxDOT Form 1058 and wait for the executed driveway permit before construction19.
- Ask the courthouse about unconfirmed floodplain, well and county-road access requirements14.
What to check before you buy land in Bowie County
Check septic feasibility early: only about 11% of Bowie County's soils avoid severe limits for a conventional drain field15. Confirm city-limit and zoning status because Texarkana has municipal zoning while the county does not zone unincorporated land32. If acreage is being split outside municipal limits, check the state subdivision-plat rule and do not assume agricultural use automatically exempts the division1718. Identify the road owner: a new or modified driveway onto a state highway needs a TxDOT driveway permit, while we could not confirm a Bowie County permit rule for county-road access20. Typical property tax is about 1.3% of value, with a median annual bill near $2,0912122.
Watch-outs
- Bowie County documents limited fire-safety inspections and plan reviews for specified nonresidential and institutional uses, but we could not confirm a general residential inspection or certificate-of-occupancy requirement; call the Bowie County Courthouse before you build1314.
- A new or modified driveway onto a Texas state highway requires TxDOT Form 1058; the permit must be fully executed and TxDOT must receive 24-hour notice before construction begins in the right-of-way19.
- The $325/$425 on-site sewage fees are dated October 13, 2020 on the county's page; confirm the current fee with the Health Inspections Department before you apply79.
Sources
- Bowie County, Texas (2026 county census)
- Bowie County, Texas (2026 county census)
- Planning & Zoning FAQs, quoted and re-checked
- Health Inspections Department, quoted and re-checked
- Planning & Zoning, quoted and re-checked
- Health Inspections Department (2026 county census)
- Bowie County Health Inspections Department – Septic Systems (OSSF) (bowiecounty.org)
- Getting a Permit for an OSSF - Such as a Septic System, quoted and re-checked
- bowiecounty.org, quoted and re-checked
- Texas law on county zoning and building authority
- Exemptions to Electrician Licensing (2026 county census)
- Local Government Code Chapter 233, County Regulation of Housing and Other Structures (Texas statewide rule), quoted and re-checked
- Bowie County Fire Marshal Duties, quoted and re-checked
- Bowie County Courthouse (bowiecounty.org)
- 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
- Getting a Permit for an OSSF - Such as a Septic System, quoted and re-checked
- Texas Local Government Code Chapter 232, County Regulation of Subdivisions, quoted and re-checked
- Texas Local Government Code Section 232.0015, Exceptions to Plat Requirement, quoted and re-checked
- General Access Driveway Policy, quoted and re-checked
- Section 6: Access Driveways, quoted and re-checked
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
Written October 9, 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.