Unincorporated Titus County, Texas does not require a building permit or prior county approval for a single-family home, and the county has no zoning ordinance for unincorporated land123. Titus County's Environmental Inspection Service handles septic permits and the Commissioners' Court approves rural subdivision plats45. Talco and Winfield enforce their own zoning and building codes inside city limits6.
At a glance
- Building permit
- Not required for a single-family home in unincorporated Titus County1
- Zoning
- No county zoning on ordinary unincorporated land; Talco and Winfield have municipal zoning789
- Septic (OSSF) permit
- Required through the county's Environmental Inspection Service unless every condition of an exemption is met104
- RV, tiny home, manufactured home
- No county zoning restriction on unincorporated land; septic and subdivision rules still apply7115
- Subdividing land
- Requires Commissioners' Court plat approval ($121 filing fee); OSSF-served lots need at least 1 acre usable1213
- Driveway onto a state highway
- Requires a TxDOT permit (Form 1058) before construction1415
- New subdivision roads
- Minimum 30-ft graded roadbed in a 60-ft right-of-way, with 12-inch minimum culverts16
Who to call
Septic permits
Titus County Environmental Inspection Service
On-site sewage facility (OSSF/septic) permitting, inspection and enforcement for Titus County
304 S. Van Buren, Mt. Pleasant, TX 75455
Also useful
The county's central contact; the County Judge chairs the Commissioners' Court that approves subdivision plats
100 West First Street, Suite 200, Mt. Pleasant, TX 75455
Also useful
Filing approved subdivision plats, tax certificates and recording; part of the platting process
100 West First Street, Suite 204, Mt. Pleasant, TX 75455
Contact details are copied from each office’s official page and were checked against it on October 10, 2026.
Off-grid gear
Going off-grid in Titus 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 Titus County, Texas?
Titus County does not require prior county approval or a building permit for a single-family home on unincorporated land12. The county's Environmental Inspection Service handles OSSF permits and facility inspections rather than general building permits41718. Texas requires staged residential-code inspections only in a county that adopts the state framework, and we could not confirm that Titus County has done so; ask the County Judge's Office before construction1920. State rules still apply to industrialized housing and buildings, and an owner installing an industrialized unit for personal use may need an installation permit2122. City limits change the answer: Talco and Winfield enforce building codes, while Miller's Cove has no building codes in place232425.
Who handles septic and subdivision approval in Titus County, and how do you reach them?
Titus County has no general county building-permit office for a single-family home on unincorporated land1. Septic permits go through the Titus County Environmental Inspection Service, the county's designated OSSF authority418. A subdivision or development plat outside municipal limits goes to the Commissioners' Court, and the published process requires an application, original plats, a paper copy, tax certificates and supporting materials26. The County Judge's Office is the practical contact for Commissioners' Court questions, while the County Clerk's Office records an approved plat2027. The subdivision checklist lists a $121 filing fee, but another county fee page gives a different amount, so confirm the current charge with the clerk1227. A new or changed driveway connecting to a state highway requires a separate TxDOT permit14.
Does Titus County have zoning?
Ordinary unincorporated land in Titus County has no county zoning that sets minimum dwelling size, setbacks, lot coverage, building height or permitted uses73. Titus County's own plan lists no code of ordinances or comprehensive plan, and subdivision, septic, floodplain and deed-restriction rules are separate from zoning3. Local rules vary by municipality: Talco has a zoning ordinance, and Winfield has zoning ordinances2889. The available county plan does not provide those cities' districts, setbacks or approval procedures, so obtain the applicable city rules before planning an RV, tiny home or other use89. Talco and Winfield also enforce building codes2324. Miller's Cove has no building codes in place and no current code of ordinances or comprehensive plan, but that does not answer every utility or land-use question there256. On unincorporated land, a new single-family subdivision using individual OSSFs generally needs at least 1 acre of usable land per lot13.
How do septic permits and subdivision approval work in Titus County?
A permit and approved plan are required to construct, install, alter, extend, repair or operate an OSSF, including a septic system or holding tank, unless a stated exemption applies1011. Titus County's Environmental Inspection Service administers the local OSSF program, performs facility inspections and responds to complaints; ask the office what inspections to schedule and what local fee applies41718. The published TCEQ fee schedule is for areas without a local authorized agent, so it does not establish Titus County's charge294. A tract of at least 10 acres may qualify for an exemption only when every condition is met, including a licensed site evaluation, one single-family dwelling, on-property effluent disposal, no nuisance or groundwater pollution, and every part of the system at least 100 feet from a property line10. OSSF-served developments must submit planning materials including a 100-year floodplain map and comprehensive drainage plan before individual OSSF permitting begins; the authority must decide in writing within 45 days30.
Can you live in an RV or tiny home on your land in Titus County?
Titus County does not use county zoning to restrict RV occupancy, tiny-home occupancy, manufactured homes, accessory dwellings or temporary camping on ordinary unincorporated land7. Sanitation is separate: using a septic system or holding tank requires an approved OSSF permit unless every condition of an exemption is satisfied1110. Creating a new lot can also trigger subdivision approval, and an OSSF-served single-family subdivision generally needs at least 1 acre of usable property per lot513. Inside Talco or Winfield, do not rely on the unincorporated-county answer because both cities have zoning and enforced building codes892324. We could not confirm city-specific RV or tiny-home standards, so ask the relevant city before buying or moving a unit there.
Building on land in Titus County: the steps, in order
- Confirm whether the parcel is unincorporated or inside a city; Talco and Winfield have municipal zoning and enforced building codes62324.
- If you are dividing land outside municipal limits, take the plat through the Titus County Commissioners' Court process before selling or developing lots26.
- For an OSSF-served development, prepare the required floodplain map, drainage plan and other planning materials before individual septic permitting begins30.
- Apply through the Environmental Inspection Service for the OSSF permit and ask which inspections to schedule and what local fee applies; confirm before relying on any exemption41018.
- Confirm access: a driveway onto a state highway requires Form 1058 and a fully executed TxDOT permit before right-of-way work begins15.
- File the approved plat through the County Clerk's Office when subdivision rules apply; the checklist says $121, but confirm the current fee because county sources conflict1227.
What to check before you buy land in Titus County, Texas
Only 5.3% of Titus County soils have no severe limits for a conventional septic drain field, so obtain a site evaluation before pricing the wastewater system31. About 40.1% of the county is wooded and 92.6% of its land has a slope of 15% or less, but parcel-level soils, drainage and clearing costs still matter3233. The nearest city of 100,000 or more is about 65 miles from the county center, and county population density is about 77.2 people per square mile3435. Before closing, verify whether the tract is inside city limits, whether a division of land was properly platted, whether the planned OSSF fits, and whether access is from a state highway51014. We could not confirm a countywide private-well permit rule, so ask the County Judge's Office which authority applies to the parcel20.
Watch-outs
- Titus County's 1-acre OSSF minimum lot size applies to qualifying new single-family subdivisions; older small tracts can follow a different approval path when the stated conditions are met13.
- We could not confirm whether Titus County adopted Texas's optional residential-code inspection program; ask the County Judge's Office before construction3620.
- Certificates of occupancy, owner-builder exemptions, short-term rentals and private-well permits remain unconfirmed for unincorporated Titus County; ask the County Judge's Office which authority applies20.
- Talco and Winfield have city zoning and enforced building codes, so the unincorporated Titus County answer does not apply inside those cities62324.
- Only 5.3% of Titus County's soils have no severe limits for a conventional septic drain field; get a site evaluation before you assume a standard system will work on a specific parcel31.
Sources
- Texas Local Government Code Chapter 233 (statutes.capitol.texas.gov) (2026 county census)
- Texas Local Government Code Chapter 233, quoted and re-checked
- TITUS COUNTY HAZARD MITIGATION ACTION PLAN UPDATE 2024, quoted and re-checked
- Environmental | Titus County, Texas, quoted and re-checked
- Titus County Platting and Subdivision, quoted and re-checked
- Titus County Hazard Mitigation Action Plan Update 2024, quoted and re-checked
- Texas law on county zoning and building authority
- Titus County Hazard Mitigation Action Plan Update 2024, quoted and re-checked
- Titus County Hazard Mitigation Action Plan Update 2024, quoted and re-checked
- Getting a Permit for an OSSF - Such as a Septic System, quoted and re-checked
- Getting a Permit for an OSSF - Such as a Septic System, quoted and re-checked
- Titus County Development Subdivision Check-Off List, quoted and re-checked
- Titus County Development Subdivision Check Off List, quoted and re-checked
- Section 4: Driveway Permits, Design, and Materials (Texas statewide rule), quoted and re-checked
- Section 4: Driveway Permits, Design, and Materials (Texas statewide rule), quoted and re-checked
- Titus County Development Subdivision Check-Off List, quoted and re-checked
- Environmental | Titus County, Texas, quoted and re-checked
- Titus County Environmental Inspection Service (co.titus.tx.us)
- Texas Local Government Code Chapter 233, quoted and re-checked
- Titus County Judge's Office (co.titus.tx.us)
- Industrialized Housing and Buildings – Adoption of New Code Editions (Texas statewide rule), quoted and re-checked
- tdlr.texas.gov (Texas statewide rule), quoted and re-checked
- Titus County Hazard Mitigation Action Plan Update 2024, quoted and re-checked
- Titus County Hazard Mitigation Action Plan Update 2024, quoted and re-checked
- Titus County Hazard Mitigation Action Plan Update 2024, quoted and re-checked
- Titus County Development Subdivision Check-Off List, quoted and re-checked
- Titus County Clerk's Office (co.titus.tx.us)
- Titus County Hazard Mitigation Action Plan Update 2024, quoted and re-checked
- On-Site Sewage Facility Rules Compilation, quoted and re-checked
- Titus County Development Subdivision Check-Off List, 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
- Wooded share of land: Bolthole Index county data
- Share of land at 15% slope or less: Bolthole Index county data
- Straight-line distance from the county center to the nearest city of 100,000+ people: Bolthole Index county data
- Population density: Bolthole Index county data
- Local Government Code Chapter 233, County Regulation of Housing and Other Structures (Texas statewide rule), quoted and re-checked
Written October 10, 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.