Unincorporated Hunt County, Texas does not require a general building permit outside the Lake Tawakoni planning area; within that area, a Lake Tawakoni Planning Commission building permit is required.12 County zoning is absent beyond 5,000 feet from Lake Tawakoni, while lake-area zoning applies within 5,000 feet of Sabine River Authority property.34 Septic permits come from the Hunt County Health Department except where a city regulates septic under its own order.5
At a glance
- Building permit
- No general county permit outside the Lake Tawakoni zone; a permit is required within that zone12
- Zoning
- None beyond 5,000 feet from Lake Tawakoni; lake-area zoning applies within that distance34
- Septic permits
- Hunt County is the authorized authority; contact the Health Department's Environmental Officers56
- RV / manufactured home
- Rules are confirmed for rental communities; a single private RV or tiny-home setup is not answered by that rule78
- Minimum home size
- No zoning-based minimum beyond 5,000 feet from Lake Tawakoni; district rules apply nearer the lake910
- Owner-builder
- Industrialized-home buyers may use a state installation permit instead of builder registration11
- Culvert / driveway permit
- A county culvert permit is required for every new driveway under county jurisdiction12
- Septic soil difficulty
- Only 0.5% of county soils are free of severe limits for a conventional drain field13
Who to call
Codes & inspections
Culvert permits (referred to the Commissioners' Office), floodplain Development Permits, subdivision plats, and Lake Tawakoni zoning applications for unincorporated Hunt County
2507 Lee Street, First Floor - Room 107, Greenville, TX 75401
Septic permits
Hunt County Health Department - Environmental Officers
On-site sewage facility (septic) permits and inspections for Hunt County, as the TCEQ-authorized agent
2701 Johnson St., Greenville, TX 75401
Contact details are copied from each office’s official page and were checked against it on October 11, 2026.
Off-grid gear
Going off-grid in Hunt 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 Hunt County, Texas?
Outside the Lake Tawakoni planning area, Hunt County does not administer a general building-permit program1. Hunt County’s general guidance says the county does not issue Certificates of Occupancy or require building inspections; the Lake Tawakoni commercial process has a separate final-approval requirement1415. Within the Lake Tawakoni planning area, the ordinance adopts building, mechanical, plumbing, pool and electrical codes and requires a building permit before erection, alteration or conversion16. Permitted commercial construction there requires a final inspection and final approval before occupancy17. A floodplain Development Permit, county subdivision plat approval, a new-driveway culvert permit and a septic permit are separate approvals that may still apply even when no general county building permit does1819125.
Who issues building permits in Hunt County?
For unincorporated Hunt County, start with Hunt County Development about Lake Tawakoni zoning, floodplain Development Permits and subdivision plats; county culvert permits are available from the Commissioners’ Office202119. Hunt County Development is at 2507 Lee Street, First Floor - Room 107, Greenville, TX 75401, (903) 408-4204, development@huntcounty.net20. The Lake Tawakoni Planning Commission issues building permits in its planning area16. Royse City, which reaches into Hunt County but lies mainly in Rockwall County, issues its own building permits; its Building Inspection Department also receives septic applications2223. Elsewhere under the county septic order, contact the Hunt County Health Department’s Environmental Officers at 2701 Johnson St., Greenville, TX 75401, (903) 408-4140, health@huntcounty.net; cities with their own septic orders are excepted56.
Does Hunt County have zoning?
Unincorporated Hunt County has no county zoning more than 5,000 feet from Lake Tawakoni; the Lake Tawakoni Zoning Ordinance applies within 5,000 feet of Sabine River Authority property, administered through the Lake Tawakoni Planning Commission and Commissioners Court34. County subdivision regulations and engineering standards still apply throughout unincorporated Hunt County3. Ask Hunt County Development to confirm the lake-area district for a parcel; we could not confirm a complete district map2420. In E-2, the minimum lot is 85,000 square feet, the minimum dwelling floor area is 1,000 square feet, and accessory dwellings are for family members only25. Outside the lake area, the county sets no zoning-based minimum dwelling size, lot size, setbacks, lot coverage or building-height limit926272829. Commerce sets its own city zoning, as does Royse City, a city that reaches into Hunt County3031. County septic authority remains separate, subject to city septic orders; Royse City receives its own septic applications523.
How do septic permits work in Hunt County?
Hunt County issues septic permits except where an incorporated city or township regulates systems under its own order; contracted cities and towns may remain under the county order5. The property owner or installer must apply before construction and provide the required planning materials, site evaluation, Texas-licensed survey, fee and recorded affidavit before authorization to construct32. The published county fee sheet lists a residential septic permit at $335 and a commercial septic permit at $50033. A commercial installer must hold the proper current license, while an owner may install only with approval and a permit from the designated authority32. Within a city jurisdiction, the applicant needs a city letter stating that public or private sewer service cannot be provided34. Hunt County requires a septic permit regardless of lot size, and generally prohibits holding tanks unless allowed by permit35. The installer must give the county's designated representative at least 5 days' notice before a completed system is ready for inspection, and failed inspections bring a reinspection fee.36 Only 0.5% of Hunt County soils lack severe limits for a conventional drain field, so arrange the site evaluation early13.
Can you live in an RV or tiny home on your land in Hunt County?
In unincorporated Hunt County more than 5,000 feet from Lake Tawakoni, the county has no zoning, so no county zoning district limits RV or manufactured-home occupancy there37. We could not confirm a county rule on living in a single RV or tiny home on an ordinary parcel, so ask Hunt County Development about your parcel20. That answer does not erase septic, floodplain, subdivision, or utility requirements51838. Hunt County separately regulates an unincorporated rental community or RV park designed for at least 3 recreational vehicles or temporary rental structures, with stays under 180 days without lease renewal39. Each developed parcel in a temporary rental community needs a development permit and scaled infrastructure plan, with Commissioners Court approval before construction; modifications require a new development permit, and remodeling or expansion ends the exemption from more stringent standards for existing parks4041. In that setting, a tiny house or cottage must be under 400 square feet, occupy one RV space and use a mobile undercarriage8. In the Lake Tawakoni E-2 district, a temporary dwelling used during main-home construction must be removed within 6 months25.
What are the steps to build a home in Hunt County?
- Locate the parcel. Lake Tawakoni zoning approval and a building permit apply within 5,000 feet of Sabine River Authority property; inside a city, ask the city about its own building permit and zoning rules42215.
- Check floodplain status; covered development requires a county Development Permit18.
- Order the septic site evaluation early because only 0.5% of county soils lack severe conventional-drain-field limits, then apply to the Hunt County Health Department unless another jurisdiction governs septic1356.
- Obtain a county culvert permit for a new driveway under county jurisdiction, stake the culvert location (the county inspects the marked spot within 14 working days and sets the size, with a length of 30 to 60 feet); a state-highway connection instead follows the TxDOT driveway-permit process124344.
What should you check before buying land in Hunt County?
Before buying unincorporated Hunt County land, check the Lake Tawakoni zoning boundary, floodplain and road frontage: property containing floodplain needs a Development Permit before a 911 address or septic permit, and every new driveway under county jurisdiction needs a culvert permit422112. Hunt County’s published preliminary plat fee is $600 plus $30 per lot, and the final plat fee is $600 plus $60 per lot; engineering review costs extra45. A short-term rental community’s development submittal is $600 plus $60 per unit, with construction/civil plan review listed at $1,500 for developments up to 100 lots; larger developments must call for the fee, and rental-community fees may change without notice45. A Lake Tawakoni agricultural subdivision exception requires a written request, no new access roads, no building improvements or land-use changes, and no circumvention of subdivision regulations46. Private-well permitting and registration remain unconfirmed; ask the Health Department which authority covers the parcel6. Typical effective property tax is about 1.3%, with a median annual bill near $2,7364748.
Watch-outs
- The industrialized-housing installation exception is not a blanket owner-builder exemption for ordinary construction; Hunt County's separate owner-builder exception and building-code adoption outside Lake Tawakoni remain unconfirmed, so ask Hunt County Development about the exact parcel and project1120.
- Private-well permitting and registration requirements remain unconfirmed; ask Hunt County Environmental Services which groundwater district or state office covers the parcel before drilling6.
Sources
- Hunt County Development (2026 county census)
- Hunt County Permitting & Zoning, quoted and re-checked
- Hunt County Permitting & Zoning, quoted and re-checked
- Hunt County Permitting & Zoning, quoted and re-checked
- TCEQ Approved Order: Hunt County On-Site Sewage Facilities, quoted and re-checked
- Hunt County Health Department - Environmental Officers (huntcounty.net)
- Hunt County, Texas Development Requirements for Short Term Rental Communities, quoted and re-checked
- Hunt County, Texas Development Requirements for Short Term Rental Communities, quoted and re-checked
- Hunt County Permitting & Zoning, quoted and re-checked
- Permits & Zoning, quoted and re-checked
- Installation Permit Information Packet, quoted and re-checked
- Hunt County Permitting & Zoning, 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
- Hunt County Permitting & Zoning, quoted and re-checked
- Hunt County Permitting & Zoning, quoted and re-checked
- Lake Tawakoni Planning Commission Zoning Ordinance, quoted and re-checked
- Lake Tawakoni Commercial Permit Application, quoted and re-checked
- Hunt County Floodplain Damage Prevention Order, quoted and re-checked
- Commissioners' Court, quoted and re-checked
- Hunt County Development (huntcounty.net)
- Hunt County Permitting & Zoning, quoted and re-checked
- Royse City: Building Inspections (Hunt County), quoted and re-checked
- Royse City: Application for On-Site Sewage Facility (Hunt County), quoted and re-checked
- Hunt County Permitting & Zoning, quoted and re-checked
- Lake Tawakoni Planning Commission Zoning Ordinance, quoted and re-checked
- Hunt County Permitting & Zoning, quoted and re-checked
- Hunt County Permitting & Zoning, quoted and re-checked
- Hunt County Permitting & Zoning, quoted and re-checked
- Hunt County Permitting & Zoning, quoted and re-checked
- Commerce: Commerce Code of Ordinances, Appendix A, Sec. 10 (Hunt County), quoted and re-checked
- Royse City: official source (Hunt County), quoted and re-checked
- TCEQ Approved Order 620107 — Hunt County On-Site Sewage Facility Order, quoted and re-checked
- County Development, quoted and re-checked
- TCEQ Approved Order: Hunt County On-Site Sewage Facilities, quoted and re-checked
- TCEQ Approved Order: Hunt County On-Site Sewage Facilities, quoted and re-checked
- TCEQ Approved Order 620107 — Hunt County On-Site Sewage Facility Order, quoted and re-checked
- Permits & Zoning, quoted and re-checked
- Hunt County Permitting & Zoning, quoted and re-checked
- Hunt County Development Requirements for Short Term Rental Communities, quoted and re-checked
- Development Requirements for Short Term Rental Communities, quoted and re-checked
- Hunt County Development Requirements for Short Term Rental Communities, quoted and re-checked
- Hunt County Permitting & Zoning, quoted and re-checked
- Hunt County Permitting & Zoning, quoted and re-checked
- Section 4: Driveway Permits, Design, and Materials (Texas statewide rule), quoted and re-checked
- Hunt County Plat Fees, quoted and re-checked
- Lake Tawakoni Planning Commission Zoning Ordinance, quoted and re-checked
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
Written October 11, 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.