Unincorporated Freestone County, Texas requires no general building permit and has no countywide zoning12. County rules still apply to septic systems, floodplain development and regulated subdivisions345. Freestone County runs its own on-site sewage facility program as a state-authorized agent6.
At a glance
- Building permit
- Not required in unincorporated Freestone County1
- Zoning
- No countywide zoning; Texas gives counties no general zoning power27
- Septic permit
- Required through the county's own OSSF program; $310 for a single-family application63
- RV, tiny home & manufactured home living
- Unrestricted by county rule, since Freestone County has no zoning authority8
- Septic soil suitability
- About 26% of soils have no severe limitation for a conventional drain field9
- Owner-builder exemption
- Yes, for installing your own industrialized/modular home, via a $75 non-refundable state registration1011
- Subdividing land
- A plat and Commissioners' Court authorization are required outside city limits5
Who to call
Septic permits
Freestone County Services (OSSF Designated Representative)
Freestone County's own on-site sewage facility (septic) permits and inspections, as the county is a TCEQ-authorized agent; also handles 9-1-1 addressing
Freestone County Courthouse, 118 E. Commerce, Rm. 305, Fairfield, TX 75840
Floodplain permits
Freestone County Floodplain Administrator (Emergency Management)
Reviews Freestone County floodplain development permit applications for new construction, substantial improvements, fill placement or alteration of a natural waterway or drainage course
118 E. Commerce St, Rm. 205, Fairfield, TX 75840
Also useful
Chairs the Commissioners' Court, which authorizes subdivision plats; the office to start with for any land-use question, since Freestone County has no building or planning department
Freestone County Courthouse, 118 East Commerce Street, Fairfield, TX 75840
Roads & driveways
Freestone County Commissioners Court (Road Precincts)
County roads are maintained by four numbered precincts, each with its own commissioner; a Special Road Use Agreement for work affecting a county road is filed with the County Judge's office
Freestone County Courthouse, 118 East Commerce Street, Fairfield, TX 75840
Contact details are copied from each office’s official page and were checked against it on September 29, 2026.
Do you need a building permit in Freestone County, Texas?
No general building permit is required to build a home on unincorporated land in Freestone County; Texas law gives counties no authority to require one outside a few narrow exceptions1. Those exceptions reach only counties with more than 250,000 people, or a county next to one, which may adopt a fire code covering commercial, public and larger multifamily buildings, or an optional residential construction standard; no official Freestone County resolution or order adopting either was found12. If you're installing an industrialized or modular home yourself, Texas requires all program inspections to finish with no outstanding violations before the state issues a final on-site inspection report13. A homeowner can register to do that installation work personally, or through independent contractors, for a $75 non-refundable state registration fee, as long as the industrialized builder itself doesn't complete the covered work1011.
Who handles zoning, subdivisions and land use in Freestone County?
Freestone County enforces no countywide zoning; Texas law grants general zoning power only to a short, specific list of counties and areas, and Freestone County is not one of them27. Because the county has no zoning authority, it sets no minimum lot size, no setback, no lot-coverage limit and no building-height limit for unincorporated land8. Dividing land into two or more parts outside any city's limits is different: the plat must be prepared by a licensed engineer or surveyor, filed with the County Clerk, and submitted to the Commissioners' Court through the County Judge at least 14 days before a vote, which the Court must take within 60 days of a complete application5. No construction in an affected subdivision can start until its plat and plans are authorized and filed14. Driveways that cross drainage courses within a covered subdivision need permanent drainage structures whose minimum size and type the Commissioners' Court sets for that subdivision15. The County Judge's office is the starting point for subdivision questions16.
How do septic permits work in Freestone County?
Freestone County runs its own on-site sewage facility (OSSF) program as a TCEQ-authorized agent, so the county itself, not the state directly, reviews and issues your septic permit17. A single-family residential application costs $310, and the county has up to five working days to approve or deny it once submitted with a site evaluation and soil analysis; the Authorization to Construct is only good for one year, after which you'd need to reapply and pay again3. After installation, the installer must schedule a final inspection with the county, and the county only issues a permit to operate once the system passes18. Soil quality is the practical hurdle: only about 25.9% of Freestone County's land carries no severe limitation for a conventional drain field under USDA data, so plenty of sites will need a more involved design and the site evaluation this program requires9. The state's separate 10-acre exception, for a single-family home on 10 acres or more meeting every TCEQ condition, can still apply even under the county's local program3.
Can you live in an RV or tiny home on your land in Freestone County?
Because Freestone County has no zoning authority, county rules do not restrict RV, tiny-home or manufactured-home occupancy on private land in unincorporated Freestone County, and the county sets no minimum dwelling size8. Temporary camping on private land is likewise unrestricted by county rule8. Freestone County's septic requirements still apply when a unit uses an on-site sewage facility3. Incorporated towns may have their own rules, so ask the relevant city before relying on the unincorporated-county answer2.
Building a home in Freestone County: the steps, in order
- Confirm the parcel is outside any city's limits; unincorporated land needs no general building permit, while city requirements may differ1.
- Before you buy, ask Freestone County Services about septic feasibility; only about 25.9% of the county's soils carry no severe limitation for a conventional system919.
- Apply for the county OSSF permit and pass the final inspection before using the system; a single-family application costs $310 and the Authorization to Construct is valid for one year318.
- Ask the Floodplain Administrator whether the project needs the county's $25 development permit; the review covers construction, substantial improvements, fill and changes to waterways or drainage courses420.
- For access to a state highway, submit TxDOT Form 1058 and wait for the executed permit before work begins21. A driveway crossing a drainage course in a regulated subdivision also needs the permanent drainage structure set by the Commissioners' Court for that subdivision15.
- If you're creating a new lot, get the plat authorized by the Commissioners' Court and filed with the County Clerk before construction begins in the affected subdivision5.
What to check before you buy land in Freestone County
Soils and septic: only about 25.9% of the county's soils carry no severe limitation for a conventional drain field, so get the required site evaluation and soil analysis before committing to a system design93. Flooding: ask the Floodplain Administrator whether the property is in an identified flood hazard area and what plans or other permits the project requires420. Access: a driveway onto a state highway needs a TxDOT permit, while the county's published driveway drainage rule is limited to drainage-course crossings in subdivisions covered by its regulations2215. Land and climate: Freestone County farmland averages about $4,299 an acre, annual rain is roughly 43 inches, severe drought occurred in about 18% of recent years, and about 37% of the land is wooded23242526. The effective property tax rate is about 1%, the median property tax bill is roughly $1,705 a year, and the nearest city of 100,000 or more is about 62 miles from the county's center272829.
Watch-outs
Sources
- Freestone County On-Site Sewage Facilities Program (2026 county census)
- Freestone County, Texas Official Website (2026 county census)
- Freestone County On-Site Sewage Facilities Program, quoted and re-checked
- Freestone County Texas Floodplain Permit Application, quoted and re-checked
- Order: Regulations for Subdivision Plats, Street Construction and Drainage, quoted and re-checked
- Freestone County On-Site Sewage Facilities Program (2026 county census)
- Local Government Code Chapter 231, County Zoning Authority (Texas statewide rule), quoted and re-checked
- Texas law on county zoning and building authority
- Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
- IHB — Residential Installation Permit Application Instructions (2026 county census)
- IHB — Residential Installation Permit Application Instructions, quoted and re-checked
- Local Government Code Chapter 233, County Regulation of Housing and Other Structures (Texas statewide rule), quoted and re-checked
- IHB — Residential Installation Permit Application Instructions, quoted and re-checked
- Order: Regulations for Subdivision Plats, Street Construction and Drainage, quoted and re-checked
- Order: Regulations for Subdivision Plats, Street Construction and Drainage, quoted and re-checked
- Freestone County Judge (co.freestone.tx.us)
- Freestone County On-Site Sewage Facilities Program, quoted and re-checked
- Freestone County On-Site Sewage Facilities Program, quoted and re-checked
- Freestone County Services (OSSF Designated Representative) (co.freestone.tx.us)
- Freestone County Floodplain Administrator (Emergency Management) (co.freestone.tx.us)
- 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
- Farmland value per acre (USDA census): Bolthole Index county data
- Annual precipitation: Bolthole Index county data
- Share of years in severe drought: Bolthole Index county data
- Wooded share of land: Bolthole Index county data
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
- Distance to the nearest metro area: Bolthole Index county data
Written September 29, 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.