Bolthole Index

Gaines County, Texas

Building permits, zoning and land rules in Gaines County, Texas

41Index Score / 100
#199 of 254 in Texas

Unincorporated Gaines County, Texas does not require a general residential building permit, although the county's own materials do not expressly publish that answer1. County zoning does not restrict ordinary open rural land, but county subdivision rules can impose setbacks, lot standards, drainage requirements and plat review23. Septic work normally requires a separate permit and approved plan through the South Plains Public Health District45.

At a glance

Building permit
No general residential permit required in unincorporated Gaines County1
County zoning
No county zoning restrictions on ordinary open rural land2
Septic (OSSF)
Permit and approved plan normally required through South Plains Public Health District45
RV or tiny-home living
Unrestricted by county zoning on open rural land; sanitation and subdivision rules still apply26
Subdivision setbacks
25 feet from rights-of-way; rear setback is 10 feet on lots of 0.5 acre or more and 5 feet on smaller lots3
Subdivision lot size without community sewer
1 acre without community water and sewer; 0.5 acre with community water but no community sewer7
Owner-builder
No blanket permit exemption; state law provides only a conditional notice-penalty exemption8
Private well
No statewide drilling permit merely for a private well; district rules may apply and local coverage is unconfirmed9

Who to call

Septic permits

South Plains Public Health District - Seminole Clinic (Environmental Services)

Environmental services for Gaines County, including inspection of permitted and installed on-site sewage facilities, septic complaints and OSSF enforcement

432-955-1021

704 Hobbs Hwy, Seminole, TX 79360

Roads & driveways

Gaines County Judge's Office (Road Crossing Permits)

Gaines County road-crossing and road-bore applications after the applicant contacts the appropriate Commissioner

(432) 758-4058

[email protected]

Gaines County Courthouse, 101 S Main St, Seminole, TX 79360

Also useful

Gaines County 9-1-1 Rural Addressing

Assigns rural physical addresses when a structure is built or moved onto a location

(432) 758-4023

305 E AVE A, Seminole, Texas 79360

Contact details are copied from each office’s official page and were checked against it on September 28, 2026.

Do you need a building permit in Gaines County, Texas?

Unincorporated Gaines County does not require a general residential building permit, according to the county legal census, although the county's official pages do not expressly say so1. Texas gives counties only limited building authority, and residential standards apply only when an eligible county adopts the required local resolution or order10. We could not confirm that Gaines County adopted such an order, nor could we confirm a county residential inspection or certificate-of-occupancy program; ask the County Judge's Office before construction if the distinction matters to financing or insurance1.

A lack of a general building permit does not remove every approval. New subdivisions and manufactured-home rental communities outside incorporated cities are subject to county construction, road, drainage, sewage and floodplain standards3. Factory-built industrialized housing and buildings also remain subject to the state's separate code and design-package system11.

Who handles Gaines County permits, and how do you reach them?

Gaines County does not list a general residential building department because the county legal census identifies no general building-permit program for unincorporated homes1. The South Plains Public Health District's Seminole Clinic handles environmental services for Gaines County, including inspection of properly permitted OSSFs, septic complaints and enforcement12.

For a road crossing or road bore, contact the appropriate county Commissioner before applying, then use the County Judge's Office contact listed above13. Gaines County requires those applications by the Wednesday before Commissioners Court, limits the work to Monday through Thursday, and charges each county resident or business $100 per crossing and each out-of-county applicant $500 per crossing1415. A road-crossing permit is not confirmed as an ordinary residential driveway permit; ask the Commissioner about access from county-road frontage. For a new or moved structure, the county says a rural-address application must be submitted before an address can be assigned16.

Does Gaines County have zoning?

Unincorporated Gaines County has no county zoning rule setting minimum dwelling size, general minimum lot size, setbacks, lot coverage or building height on ordinary open rural land2. The same county-zoning answer leaves RV, tiny-home, manufactured-home, accessory-dwelling and temporary-camping uses unrestricted on that open rural land2. Incorporated municipalities can have their own rules, so this answer does not cover land inside a city.

Subdivision regulation is the important exception. Gaines County regulates subdivisions and manufactured-home rental communities outside incorporated cities, and the current rules are not retroactive17. Covered lots have a 25-foot setback from right-of-way lines; the rear setback is 10 feet for lots of at least 0.5 acre and 5 feet for smaller lots3. In covered subdivisions, lots without community water and sewage must be at least 1 acre, while lots with community water but without community sewage must be at least 0.5 acre and meet septic setbacks7.

How do septic permits work in Gaines County?

A permit and approved plan are normally required before constructing, altering, repairing, extending or operating an OSSF in Gaines County4. Submit the application and planning materials through the South Plains Public Health District, which provides Gaines County environmental services and inspects permitted systems512. The installer must give the permitting authority at least 5 working days' notice before the system is ready, and the authority conducts the construction inspection18.

The narrow 10-acre exemption requires a site evaluation, one single-family dwelling, every OSSF component at least 100 feet from the property line, on-property effluent disposal, and the other listed health and construction conditions19. Gaines County's soils are comparatively favorable on paper: 83.7% are rated without severe limitations for a conventional drain field, but that countywide figure does not replace the parcel evaluation2019. Covered subdivisions require approved sanitation for every human-habitation structure and generally prohibit holding tanks except for qualifying temporary situations lasting no more than 3 months6.

Can you live in an RV or tiny home on your land in Gaines County?

Gaines County zoning does not restrict RV or tiny-home occupancy on ordinary open rural land in the unincorporated county2. That zoning answer does not waive wastewater, subdivision, deed-restriction, city or utility requirements. In a covered unincorporated subdivision or manufactured-home rental community, every structure intended for temporary or permanent human habitation must use an approved sewer or OSSF system that meets state and South Plains Public Health District standards6.

Before occupying an RV or tiny home, ask South Plains Public Health District what sanitation design it will approve for that specific parcel12. Also confirm whether the tract is in a platted subdivision governed by the current county rules, because covered developments have setbacks, lot-size requirements and drainage standards even without zoning37. We could not confirm a general residential certificate-of-occupancy rule from Gaines County's published materials; the County Judge's Office is the practical place to confirm that gap113.

Building a home in Gaines County: the steps, in order

  1. Confirm that the parcel is outside a city and determine whether it is in a platted subdivision; covered subdivisions need county plat approval and can trigger setbacks, lot standards and infrastructure review173.
  1. Ask the applicable groundwater conservation district about well rules, because Texas has no statewide permit merely to drill a private well but district permits may apply, and Gaines County district coverage was not confirmed9.
  1. Obtain the septic site evaluation and submit the OSSF permit and plan through South Plains Public Health District before installation1912.
  1. Apply for a rural address when the structure is being built or moved onto the site16.
  1. If access touches a state highway, obtain TxDOT approval; a new or modified state-highway driveway requires Form 1058 and advance notice before work21.
  1. Confirm any county-road crossing with the Commissioner and County Judge's Office, then verify whether financing or insurance requires inspections even though Gaines County has no general residential building permit131.

What should you check before buying land in Gaines County?

Start with water. Gaines County averages 15.4 inches of precipitation a year, and 38.7% of years register severe drought, so verify well feasibility and groundwater-district jurisdiction before closing22239. The county is nearly level and open, with 99.9% of land at a 15% slope or less and 0.1% wooded2425.

Ask for the recorded plat and deed restrictions, and confirm whether current county subdivision rules apply17. For a covered subdivision in mapped floodplain land, the plat must show floodplain areas and structures must place the finished floor at least 1 foot above base flood elevation26. For access, distinguish an ordinary county-road driveway from a county road crossing and from a state-highway driveway, because each question has a different documented process1421. Qualifying agricultural land may receive special appraisal after meeting current-use, local-intensity and prior-use tests, but a later change can trigger rollback tax27.

Watch-outs

  • Gaines County's official materials do not expressly confirm the general residential building-permit, inspection or certificate-of-occupancy answer; ask the County Judge's Office before relying on silence113.
  • The owner-builder provision is only a conditional exemption from a notice-related penalty, not a blanket exemption from underlying inspections or other requirements8.
  • A county road-crossing permit is not confirmed as the permit for an ordinary residential driveway, while a new or modified driveway on state-highway right-of-way requires TxDOT approval1421.
  • Private-well rules depend on groundwater-conservation-district jurisdiction, which we could not confirm for a specific Gaines County parcel9.

Sources

  1. Texas State Law Library - Building Codes guide (2026 county census)
  2. Texas law on county zoning and building authority
  3. Gaines County Subdivision and Manufactured Home Rental Community Regulations, quoted and re-checked
  4. Getting a Permit for an OSSF - Such as a Septic System, quoted and re-checked
  5. Gaines County Subdivision Regulations, quoted and re-checked
  6. Gaines County Subdivision Regulations Feb. 12 2025, quoted and re-checked
  7. Gaines County Subdivision Regulations, quoted and re-checked
  8. Local Government Code Chapter 233: County Regulation of Housing and Other Structures, quoted and re-checked
  9. General Groundwater and Private Water Well FAQ, quoted and re-checked
  10. Local Government Code Chapter 233, County Regulation of Housing and Other Structures (Texas statewide rule), quoted and re-checked
  11. Industrialized Housing and Buildings – Adoption of New Code Editions (Texas statewide rule), quoted and re-checked
  12. South Plains Public Health District - Seminole Clinic (Environmental Services) (southplainshealth.org)
  13. Gaines County Judge's Office (Road Crossing Permits) (co.gaines.tx.us)
  14. Gaines County Commissioners Court, quoted and re-checked
  15. Gaines County Commissioners Court, quoted and re-checked
  16. Gaines County 9-1-1 Rural Addressing (co.gaines.tx.us)
  17. Gaines County Subdivision Regulations, quoted and re-checked
  18. On-Site Sewage Facility Rules Compilation, quoted and re-checked
  19. Getting a Permit for an OSSF - Such as a Septic System, quoted and re-checked
  20. Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
  21. Use of Right of Way by Others Manual: Access Driveways, quoted and re-checked
  22. Annual precipitation: Bolthole Index county data
  23. Share of years in severe drought: Bolthole Index county data
  24. Share of land at 15% slope or less: Bolthole Index county data
  25. Wooded share of land: Bolthole Index county data
  26. Gaines County Subdivision and Manufactured Home Rental Community Regulations, quoted and re-checked
  27. Agricultural, Timberland and Wildlife Management Use Special Appraisal, quoted and re-checked

Written September 28, 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.

Found land here? Start a Property Hunt →

County locator

Gaines County in Texas

41
County map
Gaines County highlighted among the Texas counties · colored by Index score

How Gaines County scores

Seclusion78100% ev.
Self-Sufficiency1396% ev.
Admin Boringness8490% ev.
Durability37100% ev.
Property Autonomy71100% ev.
Carry Cost79100% ev.

Evidence strength: 97%. This reports direct-source completeness and fallback use; it is separate from the score and is not a confidence interval. How it works →

$238kTypical home
1.5%Property tax
$1,436Land / acre
15.4"Annual rain
38.7% of yrsSevere drought
37.8 / yr (+27.5)Mid-century 100°F days
34.9 daysMid-century dry spell
1.4" (+5.1%)Mid-century 1-day rain
1.21×Wildfire change factor
100%Forward climate coverage
$2,290Home insurance / yr
-1.8% / yrInsurance growth
0%Nonrenewal rate
county median (2+ published ZIPs)Insurance basis
3,392People within 30 min
775,228People within 2 hr
12,113Radius comparison (15 mi)
15People / sq mi
0%Federal land
99.9%Land at 15% slope or less
83.7%Septic soil without severe limits
799,374 acWorkable land screen
0.1%Wooded land
1.6 tonsBiomass / forest ac
62°FAvg temp

Scout Gaines County

Camp here before you commitBook a few nights nearby on Hipcamp →Already own land here?Earn money hosting campers — get $100 when you become a Hipcamp host →

Some links are affiliate or referral links — we may earn a commission, at no cost to you.

Property hunt

Find land. Bring the promising ones back.

Search live inventory elsewhere, then cost and vet each candidate here. No copied listings, account, or paid data feed.

View your full hunt →
ZillowLand & lotsRealtor.comLand listingsLandSearchRural & vacant land

Each button opens a current land search for Gaines County. Listing sites control their own results and filters.

Analyze a property
Add setup-cost allowances

Use rough quotes or placeholders. Blank fields count as $0.

Working estimate

—land + entered setup costs
Asking $ / acre
—
Setup allowance
—
All-in $ / acre
—

A planning estimate, not a valuation or contractor quote. The USDA benchmark includes farm land and buildings; it is context, not a parcel comp.

Before an offer

Parcel due diligence

0/8 checked

Saved properties and checklist progress stay on this device. Bolthole Index does not receive them.

Answers from the rulebook for Gaines County

What the ordinances and state agencies actually say — one answer per question, each quoted from the official source and independently re-checked.

Gaines County rules

  • Building code adoptedPartial

    Subdivision and manufactured home rental community development outside the boundaries of incorporated cities in Gaines County.

    • The regulations were approved by the Gaines County Commissioners' Court on February 12, 2025.
    • The regulations apply to subdivisions and manufactured home rental communities outside incorporated-city boundaries, not to all construction countywide.
    • The regulations state that previous versions are repealed and that the regulations are not retroactive.
    • For lots of 0.5 acres or more, building setback lines must be at least 25 feet from right-of-way lines and 10 feet from the back property line.
    • For lots of less than 0.5 acres, building setback lines must be at least 25 feet from right-of-way lines and 5 feet from the back property line.
    • The regulations also establish subdivision standards concerning roads, drainage, private sewage facilities, and floodplain development.

    building setback from right-of-way: >= 25 feet · rear building setback for lots 0.5 acres or more: >= 10 feet · rear building setback for lots less than 0.5 acres: >= 5 feet · minimum lot area without community water and sewage systems: >= 1 acre · minimum lot area with community water but no community sewage system: >= 0.5 acre (The septic tank system must meet the stated minimum setback requirements.)

    “establishing construction standards for all subdivisions situated outside the boundaries of any incorporated city in Gaines County, Texas.”
  • Zoning districts · by state lawNo county rule

    Unincorporated Gaines County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Gaines County has no zoning ordinance. The county legal census found no county zoning ordinance, citing statutes.capitol.texas.gov.

    • Septic, floodplain, subdivision and health rules still apply; cities and towns set their own rules inside their limits.
    • Chapter 231 does not grant a general statewide county zoning power; authority is provided through geographically or subject-matter limited subchapters.
    • For Padre Island, the authority applies in Cameron or Willacy County outside a municipality and within two miles of a publicly owned park or recreational development, or within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.
    “This subchapter applies to the areas of Padre Island located in Cameron or Willacy County and located: (1) outside a municipality but within two miles of a publicly owned park or recreational development; or (2) within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.”
  • Minimum dwelling size · by state lawNo county rule

    Unincorporated Gaines County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Gaines County has no zoning ordinance. The county legal census found no county zoning ordinance, citing statutes.capitol.texas.gov.

    • Septic, floodplain, subdivision and health rules still apply; cities and towns set their own rules inside their limits.
    • Chapter 231 does not grant a general statewide county zoning power; authority is provided through geographically or subject-matter limited subchapters.
    • For Padre Island, the authority applies in Cameron or Willacy County outside a municipality and within two miles of a publicly owned park or recreational development, or within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.
    “This subchapter applies to the areas of Padre Island located in Cameron or Willacy County and located: (1) outside a municipality but within two miles of a publicly owned park or recreational development; or (2) within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.”
  • Minimum lot size · by state lawNo county rule

    Unincorporated Gaines County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Gaines County has no zoning ordinance. The county legal census found no county zoning ordinance, citing statutes.capitol.texas.gov.

    • Septic, floodplain, subdivision and health rules still apply; cities and towns set their own rules inside their limits.
    • Chapter 231 does not grant a general statewide county zoning power; authority is provided through geographically or subject-matter limited subchapters.
    • For Padre Island, the authority applies in Cameron or Willacy County outside a municipality and within two miles of a publicly owned park or recreational development, or within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.
    “This subchapter applies to the areas of Padre Island located in Cameron or Willacy County and located: (1) outside a municipality but within two miles of a publicly owned park or recreational development; or (2) within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.”
  • Setbacks · by state lawNo county rule

    Unincorporated Gaines County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Gaines County has no zoning ordinance. The county legal census found no county zoning ordinance, citing statutes.capitol.texas.gov.

    • Septic, floodplain, subdivision and health rules still apply; cities and towns set their own rules inside their limits.
    • Chapter 231 does not grant a general statewide county zoning power; authority is provided through geographically or subject-matter limited subchapters.
    • For Padre Island, the authority applies in Cameron or Willacy County outside a municipality and within two miles of a publicly owned park or recreational development, or within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.
    “This subchapter applies to the areas of Padre Island located in Cameron or Willacy County and located: (1) outside a municipality but within two miles of a publicly owned park or recreational development; or (2) within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.”
  • Lot coverage · by state lawNo county rule

    Unincorporated Gaines County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Gaines County has no zoning ordinance. The county legal census found no county zoning ordinance, citing statutes.capitol.texas.gov.

    • Septic, floodplain, subdivision and health rules still apply; cities and towns set their own rules inside their limits.
    • Chapter 231 does not grant a general statewide county zoning power; authority is provided through geographically or subject-matter limited subchapters.
    • For Padre Island, the authority applies in Cameron or Willacy County outside a municipality and within two miles of a publicly owned park or recreational development, or within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.
    “This subchapter applies to the areas of Padre Island located in Cameron or Willacy County and located: (1) outside a municipality but within two miles of a publicly owned park or recreational development; or (2) within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.”
  • Building height · by state lawNo county rule

    Unincorporated Gaines County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Gaines County has no zoning ordinance. The county legal census found no county zoning ordinance, citing statutes.capitol.texas.gov.

    • Septic, floodplain, subdivision and health rules still apply; cities and towns set their own rules inside their limits.
    • Chapter 231 does not grant a general statewide county zoning power; authority is provided through geographically or subject-matter limited subchapters.
    • For Padre Island, the authority applies in Cameron or Willacy County outside a municipality and within two miles of a publicly owned park or recreational development, or within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.
    “This subchapter applies to the areas of Padre Island located in Cameron or Willacy County and located: (1) outside a municipality but within two miles of a publicly owned park or recreational development; or (2) within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.”
  • Living in an RV · by state lawNo county rule

    Unincorporated Gaines County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Gaines County has no zoning ordinance. The county legal census found no county zoning ordinance, citing statutes.capitol.texas.gov.

    • Septic, floodplain, subdivision and health rules still apply; cities and towns set their own rules inside their limits.
    • Chapter 231 does not grant a general statewide county zoning power; authority is provided through geographically or subject-matter limited subchapters.
    • For Padre Island, the authority applies in Cameron or Willacy County outside a municipality and within two miles of a publicly owned park or recreational development, or within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.
    “This subchapter applies to the areas of Padre Island located in Cameron or Willacy County and located: (1) outside a municipality but within two miles of a publicly owned park or recreational development; or (2) within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.”
  • Camping on your land · by state lawNo county rule

    Unincorporated Gaines County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Gaines County has no zoning ordinance. The county legal census found no county zoning ordinance, citing statutes.capitol.texas.gov.

    • Septic, floodplain, subdivision and health rules still apply; cities and towns set their own rules inside their limits.
    • Chapter 231 does not grant a general statewide county zoning power; authority is provided through geographically or subject-matter limited subchapters.
    • For Padre Island, the authority applies in Cameron or Willacy County outside a municipality and within two miles of a publicly owned park or recreational development, or within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.
    “This subchapter applies to the areas of Padre Island located in Cameron or Willacy County and located: (1) outside a municipality but within two miles of a publicly owned park or recreational development; or (2) within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.”
  • Tiny homes · by state lawNo county rule

    Unincorporated Gaines County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Gaines County has no zoning ordinance. The county legal census found no county zoning ordinance, citing statutes.capitol.texas.gov.

    • Septic, floodplain, subdivision and health rules still apply; cities and towns set their own rules inside their limits.
    • Chapter 231 does not grant a general statewide county zoning power; authority is provided through geographically or subject-matter limited subchapters.
    • For Padre Island, the authority applies in Cameron or Willacy County outside a municipality and within two miles of a publicly owned park or recreational development, or within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.
    “This subchapter applies to the areas of Padre Island located in Cameron or Willacy County and located: (1) outside a municipality but within two miles of a publicly owned park or recreational development; or (2) within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.”
  • Manufactured homes · by state lawNo county rule

    Unincorporated Gaines County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Gaines County has no zoning ordinance. The county legal census found no county zoning ordinance, citing statutes.capitol.texas.gov.

    • Septic, floodplain, subdivision and health rules still apply; cities and towns set their own rules inside their limits.
    • Chapter 231 does not grant a general statewide county zoning power; authority is provided through geographically or subject-matter limited subchapters.
    • For Padre Island, the authority applies in Cameron or Willacy County outside a municipality and within two miles of a publicly owned park or recreational development, or within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.
    “This subchapter applies to the areas of Padre Island located in Cameron or Willacy County and located: (1) outside a municipality but within two miles of a publicly owned park or recreational development; or (2) within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.”
  • Accessory dwellings · by state lawNo county rule

    Unincorporated Gaines County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Gaines County has no zoning ordinance. The county legal census found no county zoning ordinance, citing statutes.capitol.texas.gov.

    • Septic, floodplain, subdivision and health rules still apply; cities and towns set their own rules inside their limits.
    • Chapter 231 does not grant a general statewide county zoning power; authority is provided through geographically or subject-matter limited subchapters.
    • For Padre Island, the authority applies in Cameron or Willacy County outside a municipality and within two miles of a publicly owned park or recreational development, or within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.
    “This subchapter applies to the areas of Padre Island located in Cameron or Willacy County and located: (1) outside a municipality but within two miles of a publicly owned park or recreational development; or (2) within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.”
  • Who permits septicLocal (with conditions)

    OSSF administration for proposed subdivisions in unincorporated Gaines County.

    • The South Plains Public Health District is identified in the county regulations as the authorized agent for Gaines County.
    • The cited provision concerns a proposal to develop a new subdivision in an unincorporated area.
    “South Plains Public Health District provides public and environmental health services for Gaines County, Texas. [...] Inspection of properly permitted and installed On-Site Sewage Facilities.”
  • Septic inspectionRequired

    On-site sewer systems constructed in subdivisions in unincorporated Gaines County.

    • The inspection occurs after construction.
    • The inspection is performed by the Designated Representative of the South Plains Public Health Department.
    • The inspection is to assure compliance with Texas standards and the county order.
    “ALL MUST BE INSTALLED CORRECTLY AND INSPECTED BEFORE THEY ARE COVERED.”
  • Off-grid sanitationLimited

    Off-grid sanitation and wastewater disposal for human-habitation structures in unincorporated Gaines County subdivisions and manufactured home rental communities

    • Every structure designed for human habitation in the covered developments must have an approved sewer system or OSSF system complying with minimum state standards and South Plains Public Health District standards.
    • For structures up to 1,500 square feet with two bedrooms or fewer, the approved sewer or OSSF system must be designed for at least 180 gallons per day.
    • A manufactured home in a manufactured home rental community or trailer park may use an approved sewer or OSSF system designed for at least 50 gallons per day.
    • Each structure must have at least an approved 750-gallon septic tank preceding a shared drain field or treatment unit.
    • Shared sewer or OSSF systems must be designed by a Texas Engineer or Texas REHS/RS.
    • Holding tanks are not allowed for approved sewer or OSSF purposes except when immediately necessary for a temporary waste-holding situation or event lasting no longer than three months, with weekly pump-out receipts provided to the proper County or SPPHD official.

    small-structure design flow: >= 180 gallons per day (structures up to 1,500 square feet with two bedrooms or fewer) · manufactured-home MHRC/trailer-park design flow: >= 50 gallons per day (manufactured home located in an MHRC or trailer park) · minimum septic tank capacity: >= 750 gallons (each structure preceding a shared drain field or treatment unit) · temporary holding-tank duration: <= 3 months (weekly pump-out receipts required)

    “all structures designed for human habitation, including structures intended for residential use or occupancy by humans (and including temporary or permanent use), must have an approved sewer system or OSSF system in compliance with minimum state standards and SPPHD standards;”
  • Mandatory utility hookupConditional

    Water and sewer service configurations for subdivisions governed by Gaines County subdivision regulations.

    • Without community water and sewage systems, the lot must be at least 1 acre.
    • With community water but no community sewage system, the lot must be at least 0.5 acre and the septic tank system must meet stated minimum setback distances.
    • With both community water and sewage systems, the lot may be less than 0.5 acre.
    • The cited rule does not establish a universal connection requirement for every parcel.

    minimum lot area without community water and sewage systems: >= 1 acre · minimum lot area with community water but no community sewage system: >= 0.5 acre (provided a septic tank system meets the minimum setback distance requirements stated)

    “When the lot has no community water and sewage systems, the area shall be one ( 1) acre or more.”
  • Subdividing landRegulated (with conditions)

    Subdivision of land outside the limits of a municipality in Gaines County, including divisions into two or more parts that lay out a subdivision, additions, lots, streets, alleys, squares, parks, or other parts intended for public use or use by lot purchasers or owners.

    • A plat must be prepared before filing with the County Clerk and must be approved by the Gaines County Commissioners Court.
    • In a city's extraterritorial jurisdiction, authorization from both the city and county is required; conflicting requirements are governed by the more stringent provision.
    • Plats must be approved and filed before installation of a septic system on any lot within a subdivision.
    • The county regulations are not retroactive and repealed previous versions upon approval.
    • The county's published checklist requires OSSF compatibility information, utility letters, a TXDOT approval letter for lots directly accessing state highways, a tax certificate, and payment by cashier's check or money order.
    • The published checklist states a base fee of $750 plus $25 per lot.
    • The county regulations state that a completed plat application generally receives a decision within 30 days, extendable by written agreement for up to 30 additional days; if final action is not timely taken, the fee or deposit is refunded and the plat is granted by operation of law.

    division threshold for general plat requirement: >= 2 parts (Subject to the exceptions in Texas Local Government Code §232.0015 and the Gaines County regulations.) · base plat fee: 750 USD (Plus $25 per lot according to the published checklist.) · per-lot plat fee: per 25 USD (The published checklist also states payment must be by cashier's check or money order.)

    “Regulating the filing for record of subdivision plats and other requirements pertinent thereto and establishing construction standards for all subdivisions situated outside the boundaries of any incorporated city in Gaines County, Texas.”
  • Driveway accessLimited

    Driveways within subdivisions and manufactured home rental communities in unincorporated Gaines County where the driveway intersects a drainage course or ditch.

    • The rule applies to subdivisions and manufactured home rental communities located in the unincorporated area of Gaines County.
    • A permanent culvert, pipe, drainage box, bridge, or other drainage structure must be installed at crossings of drainage courses, including drainage ditches intersecting with driveways.
    • The final dimension and type of the drainage structure are determined by the floodplain for the plat or plan and must be presented for County review with the plat application.
    • This provision does not establish a general standalone county residential driveway-access permit for all properties.
    “Permanent drainage structures [...] shall be installed at all crossings of drainage courses, including drainage ditches intersecting with driveways, roads, and streets.”
  • Building in a floodplainLimited

    Development in a designated floodplain within a proposed subdivision or manufactured home rental community in the unincorporated area of Gaines County, Texas.

    • The regulations apply to subdivisions and manufactured home rental communities located in the unincorporated area of Gaines County, Texas.
    • The plat or plan must clearly describe and depict all floodplain, flood zone, and floodway locations.
    • Any structure constructed in the floodplain must have a finished floor elevation at least one foot above the base flood elevation.
    • The floodplain requirements are part of the County's subdivision and MHRC drainage standards and are presented for County review with the plat application.
    • The regulations were approved February 12, 2025; previous versions were repealed and the regulations are not retroactive.
    • For proposed subdivisions in a city's extraterritorial jurisdiction, authorization from both the city and the County is required before filing, and the more stringent provisions govern if requirements conflict.
    • The regulations include exceptions to plat requirements under Texas Local Government Code Section 232.0015, including certain agricultural, familial-transfer, larger-lot, veterans-program, state-owned, co-owner-transfer, and political-subdivision flood-plain transactions; the cited floodplain-development requirements themselves are stated for proposed subdivisions or MHRCs containing designated floodplain land.

    minimum finished floor elevation above base flood elevation: >= 1 foot

    “These drainage standards (including sewer and OSSF standards) shall apply for subdivisions and manufactured home rental communities located in the unincorporated area of Gaines County, Texas: [...] (8) Floodplain Requirements - Should the development area of the proposed subdivision or MHRC contain land designated as a floodplain: (a) the plat or plan must clearly describe and depict all floodplain, flood zone, and flood way locations; and (b) any structure to be constructed in the floodplain must have a finished floor elevation established that is a minimum of one foot above the base flood elevation.”
  • Permit feesPublished (with conditions)

    Gaines County road-crossing and road-bore permits.

    • Applications are due the Wednesday before Commissioners Court.
    • Gaines County residents and businesses pay $100.00 per road crossing.
    • Out-of-county residents and businesses pay $500.00 per road crossing.
    • Work is permitted Monday through Thursday only.
    • No road-crossing work is permitted on Friday, Saturday, Sunday, or County holidays.
    • A copy of the Order Approving Petition for Use of Portion of Public Road must be on-site when work is conducted.

    fee for county residents and businesses: 100 USD per road crossing · fee for out-of-county residents and businesses: 500 USD per road crossing

    “Gaines County residents & businesses - $100.00 per road crossing”
  • Permit processPublished (with conditions)

    Gaines County road-crossing and road-bore permit applications.

    • Applicants must contact their Commissioner before submitting an application.
    • For more information, the County Judge's office lists [email protected] and (432) 758-4058.
    • Applications are due the Wednesday before Commissioners Court.
    • Work is permitted Monday through Thursday only.
    • No road-crossing work is permitted on Friday, Saturday, Sunday, or County holidays.
    • A copy of the Order Approving Petition for Use of Portion of Public Road must be on-site when work is conducted.
    • The current Gaines County Road Crossing Application was approved in the April 9, 2025 Commissioners Court.
    “Applications are due the Wednesday before Court”
  • Building permitNot required

    Texas counties generally have no authority to require building permits or enforce a building code in unincorporated areas; no Gaines County residential building permit program was found.

    Texas State Law Library - Building Codes guide ↗Scouted from the county site, not yet independently re-checked

  • County-wide zoningAbsent

    Texas law prohibits county zoning in unincorporated areas (counties have no general zoning authority); Gaines County unincorporated land is unzoned.

    Texas Local Government Code Ch. 211 (municipal zoning authority) ↗Scouted from the county site, not yet independently re-checked

Texas rules that apply here

  • Owner-builder exemptionConditional

    An individual who builds new residential construction covered by Local Government Code Chapter 233, Subchapter F or acts as the individual's own contractor and intends to use the residence as the individual's primary residence

    • The exemption applies only to failure to provide proper notice under Sections 233.154(b) and (c); it does not expressly exempt the individual from the underlying inspection requirements.
    • The new residential construction must be built by the individual or the individual must act as the individual's own contractor.
    • The individual must intend to use the residence as the individual's primary residence.
    • The underlying subchapter applies only in a county that has adopted a resolution or order requiring its application and satisfies the statutory population or international-border condition.
    • Section 233.154(b) and (c) notice requirements and Section 233.155 enforcement provisions remain cross-referenced.
    “An individual who fails to provide proper notice in accordance with Sections 233.154(b) and (c) is not subject to a penalty under this subsection if: (1) the new residential construction is built by the individual or the individual acts as the individual's own contractor; and (2) the individual intends to use the residence as the individual's primary residence.”
  • Septic permitRequired

    Construction, installation, alteration, extension, repair, and operation of OSSFs in Gaines County, subject to statutory and rule exceptions

    • A permit and approved plan are required before constructing, altering, repairing, extending, or operating an OSSF.
    • An OSSF may qualify for the 10-acre exemption only if it complies with applicable planning, construction, and installation standards; receives a site evaluation by a TCEQ-licensed site evaluator or professional engineer; serves a single-family dwelling on a tract of at least 10 acres; is not causing a nuisance or polluting groundwater; all parts are at least 100 feet from the property line; effluent is disposed of on the property; and the dwelling is the only dwelling on the tract.
    • Emergency repairs listed by TCEQ do not require a permit but must be reported in writing to the permitting authority within 72 hours after repairs begin.
    • Grandfathered systems may be exempt if the stated pre-authorization or pre-September 1, 1989 conditions are met and the system has not been altered, is not creating a nuisance, and is not in need of repair.
    • The TCEQ regional office is the permitting authority where no local jurisdiction has been authorized.

    10-acre exemption minimum tract size: >= 10 acres (single-family dwelling and all other stated conditions must be met) · OSSF setback under 10-acre exemption: >= 100 feet from property line (all parts of the OSSF) · emergency-repair reporting deadline: <= 72 hours (after repairs have begun) · permit application decision deadline: <= 30 days (after receipt by permitting authority)

    “A permit and approved plan are required to construct, alter, repair, extend, and operate an OSSF.”
    One more reviewed finding on this topic
    • Required — Construction, installation, alteration, extension, or repair of an OSSF in Texas
      “A permit is required to construct, install, alter, extend, or repair an OSSF. [...] An OSSF may be exempt from permitting if it complies with all other requirements, including planning, construction, and installation standards of 30 TAC 285 AND meets the “10 acre rule”:”
  • Well permitLimited

    Private water wells in Gaines County, subject to any applicable groundwater conservation district rules

    • Texas has no statewide regulation requiring a permit merely because a property owner drills a water well.
    • A groundwater conservation district may regulate groundwater production and require permits for non-exempt wells within its jurisdiction.
    • Under Texas Water Code §36.113, a district generally must require a permit for drilling, equipping, operating, or completing a well except as provided by §36.117.
    • The statutory exemption includes a well used solely for domestic use or livestock or poultry on a tract larger than 10 acres, if incapable of producing more than 25,000 gallons per day.
    • The statutory exemption does not apply when the groundwater is used to supply a subdivision for which plat approval is required.
    • The specific current groundwater conservation district coverage and Gaines County-specific permit rules were not confirmed from an opened official district page.

    domestic/livestock exemption tract size: > 10 acres (well must be incapable of producing more than 25,000 gallons per day) · domestic/livestock exemption production capacity: <= 25000 gallons per day (well used solely for domestic use or livestock/poultry)

    “Except as provided by Section 36.117, a district shall require a permit for the drilling, equipping, operating, or completing of wells or for substantially altering the size of wells or well pumps.”
  • Agricultural exemptionAvailable (with conditions)

    Texas agricultural-use special appraisal for qualifying farm and ranch land, including qualifying land in Gaines County.

    • The land must be currently devoted principally to agricultural use.
    • Agricultural use must meet the degree of intensity generally accepted in the area.
    • The land must have been devoted to agricultural or timber production for at least five of the past seven years.
    • An application is required using Form 50-129 for 1-d-1 open-space agricultural use appraisal or Form 50-165 for 1-d agricultural appraisal.
    • A change to non-agricultural use may trigger rollback tax for each of the previous three years in which the land received the lower appraisal.

    prior agricultural or timber production: per 5 of the past 7 years (Land within an incorporated city or town has additional statutory criteria.) · rollback period: 3 previous years (The Comptroller page lists statutory exceptions that may apply, including right-of-way sales, condemnation, certain public-purpose transfers, timberland, cemeteries, religious organizations, certain charitable organizations, schools, and oil and gas operations.)

    “Property owners may qualify for agricultural appraisal if land meets the following criteria: The land must be currently devoted principally to agricultural use.”
  • county zoning authorityLimited

    Texas counties adopting zoning regulations for specified unincorporated or otherwise specially defined areas.

    • Chapter 231 does not grant a general statewide county zoning power; authority is provided through geographically or subject-matter limited subchapters.
    • For Padre Island, the authority applies in Cameron or Willacy County outside a municipality and within two miles of a publicly owned park or recreational development, or within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.
    • Other Chapter 231 subchapters address special areas including the Amistad Recreation Area in Val Verde County, military zones, certain lakes, the El Paso Mission Trail Historical Area, Lake Somerville, and Falcon Lake in Zapata County.
    • The cited statute was enacted effective September 1, 1987; the Falcon Lake subchapter was added effective June 15, 2007, and amended effective September 1, 2009.

    Padre Island distance from publicly owned park or recreational development: <= 2 miles (Area must be outside a municipality and in Cameron or Willacy County.) · Padre Island distance from beach, wharf, or bathhouse: <= 2 miles (The beach, wharf, or bathhouse must be used by at least 500 persons annually.)

    “This subchapter applies to the areas of Padre Island located in Cameron or Willacy County and located: (1) outside a municipality but within two miles of a publicly owned park or recreational development; or (2) within two miles of a beach, wharf, or bathhouse used by at least 500 persons annually.”
  • county building authorityLimited

    Texas counties adopting and enforcing fire-code building permits for specified buildings in unincorporated areas and applying residential building-code standards in certain counties.

    • Under Section 233.061, the county must have a population over 250,000 or be adjacent to a county with a population over 250,000.
    • Under Section 233.062, the fire code applies only to commercial establishments, public buildings, and multifamily residential dwellings consisting of four or more units constructed in an unincorporated area.
    • The fire code does not apply to an industrial facility having a fire brigade that conforms to Occupational Health and Safety Administration requirements.
    • A covered applicant must submit a plan and a commissioners-court-set application fee; the county must issue or deny the permit within 30 days, and failure to act within 30 days approves the construction for purposes of the subchapter.
    • The fire code must conform to the International Fire Code or Uniform Fire Code as those codes existed on May 1, 2005, or establish protective measures exceeding those standards; later editions may be adopted.
    • Residential standards under Section 233.152 apply only if the county adopts a resolution or order and the county is within 50 miles of an international border or has a population over 100.
    • Those residential standards apply only to new single-family-house or duplex construction beginning after September 1, 2009; manufactured or modular structures governed by Occupations Code Chapters 1201 or 1202 are excluded from the definition of new residential construction.
    • A municipality's building code controls in its extraterritorial jurisdiction, and Section 233.152 does not authorize county prior approval of new residential construction or county zoning regulations.
    • Fire-code inspection and permit fees may be charged under a fee schedule based on building type, limited to amounts necessary to administer and enforce the subchapter; inspection fees must be reasonable and reflect approximate inspection costs.

    county population threshold for fire-code authority: > 250000 persons (A county adjacent to a county over 250,000 also qualifies.) · multifamily residential dwelling threshold: >= 4 units (The fire code applies only to covered buildings constructed in an unincorporated area.) · residential-code border distance: <= 50 miles (Alternative qualification is county population over 100.) · application decision period: 30 days (If the commissioners court does not issue or deny the permit within 30 days after receiving the application and fee, construction is approved for purposes of the subchapter.) · residential standards effective construction date: > 2009-09-01 (Applies only to new residential construction that begins after September 1, 2009.)

    “The commissioners court of a county with a population of over 250,000 or a county adjacent to a county with a population of over 250,000 may adopt a fire code and rules necessary to administer and enforce the fire code. [...] The fire code applies only to the following buildings constructed in an unincorporated area of the county: (1) a commercial establishment; (2) a public building; and (3) a multifamily residential dwelling consisting of four or more units.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission — ask the county directly.

  • Inspections — Residential building inspections in Gaines County, including unincorporated areas
  • Certificate of occupancy — Residential certificates of occupancy in Gaines County, including unincorporated areas
  • Local zoning — Zoning rules across Gaines County, including incorporated municipalities and unincorporated areas; the county regulations reviewed govern subdivision and manufactured-home-rental-community development but do not establish the zoning status of each municipality.
  • Short-term rentals — Short-term rental use of residential property in Gaines County.

Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.

Living off-grid in Gaines County, Texas

Is Gaines County a good place to live off-grid or homestead?

Gaines County scores 41/100 on the Bolthole Index, a marginal county profile. Its strengths: low administrative friction for a quiet rural property and manageable long-term carry cost. Watch-outs: thin water margin (15.4″/yr rainfall) and elevated mid-century heat, water, rain, or wildfire exposure.

Do you need a building permit in Gaines County, Texas?

Gaines County does not require a county building permit for a home in unincorporated areas, and it has no county-wide zoning. Onsite septic is permitted by Gaines County (TCEQ OSSF Authorized Agent) / TCEQ Region 2 (Midland) if no local agent. Owner-builders may act as their own contractor to build their home. These answers are quoted from official sources and independently re-checked. Rules change and cities within the county differ — always confirm with the county before you buy or build.

Can you live in an RV or tiny home on your land in Gaines County?

Living in an RV on your own land in Gaines County is allowed: Unincorporated Gaines County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Gaines County has no zoning ordinance. The county legal census found no county zoning ordinance, citing statutes.capitol.texas.gov. Septic, floodplain, subdivision and health rules still apply; cities and towns set their own rules inside their limits. Chapter 231 does not grant a general statewide county zoning power; authority is provided through geographically or subject-matter limited subchapters. A tiny home is allowed. Confirm with the county before relying on it.

How much does land cost in Gaines County, Texas?

Land in Gaines County runs about $1,436 per acre, based on the latest county data.

What is the water situation in Gaines County?

Gaines County gets about 15.4" of rain a year, with severe drought in roughly 38.7% of years.

How remote is Gaines County?

A representative private-land location has about 3,392 people within a 30-minute drive and 775,228 within two hours. The road-network catchments count population across county lines and clusters of smaller cities; straight-line radius values remain available as a comparison.

Off-grid gear

Going off-grid in Gaines County means bringing your own water and power. The kit we’d start with:

These are affiliate links — we may earn a commission, at no cost to you. As an Amazon Associate, Bolthole Index earns from qualifying purchases.

How Gaines compares in Texas

Compare side-by-side →See all 254 Texas counties ranked →