Jeff Davis County, TX Building Permits, Zoning & Septic Rules

Unincorporated Jeff Davis County, Texas does not require a building permit for a home, and Texas law gives the county no general zoning authority, so there is no county minimum lot size, setback, or restriction on living in an RV, tiny home or manufactured home on your own land¹². Septic is the exception: Jeff Davis County itself is the state's authorized agent for on-site sewage facility (OSSF) permits in the unincorporated county, so that permit comes from the county, not directly from the state³.

At a glance

Building permit: Not required in unincorporated Jeff Davis County¹
Zoning: None; Texas gives the county no general zoning authority here⁴
Minimum lot size / setbacks: None set by the county²
RV / tiny home / manufactured home: Unrestricted by the county (no zoning to set the rule)²
Septic (OSSF) permit: Required; Jeff Davis County itself is the TCEQ-authorized permitting agent³
Owner-builder exemption: Not defined; there's no county building permit to be exempt from⁵
Property tax: About 0.5% effective rate; typical bill around $1,283/yr⁶⁷

Who to call

Also useful

Jeff Davis County Judge's Office

General county administration; the county's website does not publish a separate environmental health or OSSF department, so this is the office to start with for septic (OSSF) permit questions in unincorporated Jeff Davis County

432-426-3968

100 Court Avenue, Fort Davis, TX 79734

Also useful

Jeff Davis County Clerk

Records deeds, plats and other official public records for Jeff Davis County property

432-426-3251

111 North Front Street, Fort Davis, TX 79734

Property records

Jeff Davis County Tax Assessor-Collector

Property tax assessment and collection for Jeff Davis County

432-426-3962

105 Court Avenue, P.O. Box 1061, Fort Davis, TX 79734

Contact details are copied from each office’s official page and were checked against it on September 24, 2026.

Do you need a building permit in Jeff Davis County, Texas?

No. Texas counties cannot require a building permit for an ordinary single-family home in an unincorporated area, and Jeff Davis County has no building department to issue one anyway¹. This has one narrow statewide exception that doesn't apply here: a county over 250,000 people, or adjacent to one, can adopt a fire code for commercial buildings, public buildings and multifamily buildings of four or more units in its unincorporated area, which is far larger than Jeff Davis County⁸. Texas also lets a county adopt residential construction standards for new single-family or duplex homes if it is within 50 miles of an international border or has a population over 100, but doing so takes a specific county resolution or order, and no official Jeff Davis County record of adopting one was found, so treat this as unconfirmed rather than in effect⁸. Because there's no county building permit, there's also no published county owner-builder exemption; that concept only comes up where a permit exists to be exempt from⁵.

Who handles county business in Jeff Davis County, and how do you reach them?

There is no building, planning or zoning department in unincorporated Jeff Davis County¹⁴. The Jeff Davis County Judge's Office at the county courthouse in Fort Davis handles general county administration, and it's the office to start with for anything the website doesn't list a specific department for, including septic (OSSF) permit questions⁹. The Jeff Davis County Clerk records deeds, plats and other official public records¹⁰. The Jeff Davis County Tax Assessor-Collector handles property tax assessment and collection¹¹.

Does Jeff Davis County have zoning?

No. Texas gives counties zoning power only for a short list of specific places, such as parts of Padre Island in Cameron or Willacy County and a handful of named lakes and border areas, and Jeff Davis County is not on that list, so it has no general zoning authority over unincorporated land¹². Because there is no county zoning ordinance, Jeff Davis County sets no minimum home size, no minimum lot size, no setbacks, and no lot-coverage or building-height limit, and it does not restrict accessory dwellings, RVs, tiny homes, manufactured homes or temporary camping on your own unincorporated land². That's specific to unincorporated county land: if a parcel is inside Fort Davis or Valentine city limits, the city's own rules would apply instead, and no official source we found states what those municipal rules are⁴.

How do septic permits work in Jeff Davis County?

Septic systems here go through the county, not a distant state office: TCEQ's own authorized-agent directory names Jeff Davis County itself as the authorized agent for OSSF permits covering the unincorporated county, with TCEQ's Region 06 office in El Paso as the backup authority³. A permit and approved plan are required before you construct, alter, extend or repair almost any OSSF, including a standard septic system¹³. There's a real exception worth knowing: a single-family home on a tract of 10 acres or more can skip OSSF permitting entirely if a licensed site evaluator or professional engineer confirms the system won't cause a nuisance or pollute groundwater, every part of the system sits at least 100 feet from the property line, effluent stays on the property, and the home is the only dwelling on the tract¹³. Only about 11.7% of Jeff Davis County's soils have no severe limitation for a conventional septic drain field, so most sites should expect added site work or an alternative system even where the 10-acre exemption applies¹⁴¹³. Emergency repairs don't need a permit first, but must be reported in writing within 72 hours after the repair begins¹³.

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

Yes, on unincorporated county land: with no zoning ordinance, Jeff Davis County does not restrict RV occupancy, tiny-home occupancy or manufactured-home occupancy on private land². That's a real answer, not a research gap, because Texas law simply doesn't give a county like Jeff Davis the zoning power to create such a rule outside the narrow, named exceptions elsewhere in the state¹². Whatever you place on the land still needs lawful sewage disposal: if it's not tied to a permitted system already on the property, you'll need an OSSF permit from Jeff Davis County as the state's authorized agent, or qualify for the 10-acre exemption³¹³. This answer is for unincorporated county land only; inside Fort Davis or Valentine city limits, ask the city directly, since no official source we found addresses municipal rules there⁴.

Building a home in Jeff Davis County: the steps, in order

Confirm your parcel is in unincorporated Jeff Davis County rather than inside Fort Davis or Valentine city limits, since city rules would apply instead of the county answers on this page⁴.
Because there is no county building permit, you don't need building-department sign-off before construction¹.
Start your septic planning early: apply for an OSSF permit through Jeff Davis County as the authorized agent, or confirm you qualify for the 10-acre exemption, before you finalize your site plan³¹³.
If your driveway will connect to a state highway, submit Form 1058 to the local TxDOT district office before building the entrance; construction can't start in the right-of-way until the permit is issued¹⁵.
Contact the Jeff Davis County Clerk if you're subdividing or need to record a new legal description for the property¹⁰.
Check with the Jeff Davis County Tax Assessor-Collector about how the parcel is currently assessed and what your property tax bill is likely to be once you build¹¹.

What to check before you buy land in Jeff Davis County

Get the septic picture early: only about 11.7% of Jeff Davis County's soils carry no severe limitation for a conventional drain field, so ask about a site evaluation before assuming a standard system will work on a specific parcel¹⁴. Water is the county's defining constraint: annual precipitation averages only about 14.2 inches, and roughly 31.2% of years bring severe drought, so confirm well yield and water rights before you commit¹⁶¹⁷. This is a remote, high-desert county: about 0.8 people per square mile, roughly 1,856 residents countywide, and about 134 miles to the nearest metro area¹⁸¹⁹²⁰. If the parcel fronts a state highway, budget for a TxDOT driveway permit (Form 1058) rather than assuming no permit is needed¹⁵. Property taxes run moderate for rural Texas: an effective rate around 0.5% of value, with a typical annual bill near $1,283⁶⁷. Typical home value here runs around $206,664, well above many rural Texas counties, so don't assume land or improved-property prices will be as low as the county's rural character suggests²¹.

Watch-outs

No official Jeff Davis County record confirms whether the county has adopted any building-code resolution, inspection requirement or certificate-of-occupancy rule under the narrow Texas statutes that would allow one; treat those as unconfirmed rather than absent, and ask the County Judge's Office directly for anything unusual (multifamily, commercial, or a project near the international border)⁸.
Jeff Davis County's website does not publish a dedicated environmental health or OSSF department; start septic questions with the County Judge's Office rather than assuming a specific office exists⁹.
This page covers unincorporated Jeff Davis County only. Fort Davis and Valentine may have their own municipal building and zoning rules that override the county answers here, and no official source we found states what those rules are⁴.

Sources

Written September 24, 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.

How Jeff Davis County scores

Seclusion92100% ev.

Self-Sufficiency2298% ev.

Admin Boringness8790% ev.

Durability35100% ev.

Property Autonomy71100% ev.

Carry Cost8096% ev.

Evidence strength: 98%. This reports direct-source completeness and fallback use; it is separate from the score and is not a confidence interval. How it works →

$207kTypical home

0.5%Property tax

$1,101Land / acre

14.2"Annual rain

31.2% of yrsSevere drought

15.9 / yr (+12.8)Mid-century 100°F days

37.9 daysMid-century dry spell

1.06" (+6.2%)Mid-century 1-day rain

1.21×Wildfire change factor

100%Forward climate coverage

$1,915Home insurance / yr

-1.9% / yrInsurance growth

0%Nonrenewal rate

single ZIP shrunk to state medianInsurance basis

6,862People within 2 hr

221Radius comparison (15 mi)

0.8People / sq mi

0.1%Federal land

54.7%Land at 15% slope or less

11.7%Septic soil without severe limits

150,374 acWorkable land screen

19%Wooded land

4.3 tonsBiomass / forest ac

61.8°FAvg temp

Answers from the rulebook for Jeff Davis County

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

Jeff Davis County rules

Zoning districts · by state lawNo county rule
Unincorporated Jeff Davis County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Jeff Davis County has no zoning ordinance. The county legal census found no county zoning ordinance, citing bexar.org.
- 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.”
Local Government Code Chapter 231, County Zoning Authority ↗Re-checked Sep 21, 2026
Minimum dwelling size · by state lawNo county rule
Unincorporated Jeff Davis County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Jeff Davis County has no zoning ordinance. The county legal census found no county zoning ordinance, citing bexar.org.
- 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.”
Local Government Code Chapter 231, County Zoning Authority ↗Re-checked Sep 21, 2026
Minimum lot size · by state lawNo county rule
Unincorporated Jeff Davis County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Jeff Davis County has no zoning ordinance. The county legal census found no county zoning ordinance, citing bexar.org.
- 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.”
Local Government Code Chapter 231, County Zoning Authority ↗Re-checked Sep 21, 2026
Setbacks · by state lawNo county rule
Unincorporated Jeff Davis County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Jeff Davis County has no zoning ordinance. The county legal census found no county zoning ordinance, citing bexar.org.
- 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.”
Local Government Code Chapter 231, County Zoning Authority ↗Re-checked Sep 21, 2026
Lot coverage · by state lawNo county rule
Unincorporated Jeff Davis County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Jeff Davis County has no zoning ordinance. The county legal census found no county zoning ordinance, citing bexar.org.
- 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.”
Local Government Code Chapter 231, County Zoning Authority ↗Re-checked Sep 21, 2026
Building height · by state lawNo county rule
Unincorporated Jeff Davis County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Jeff Davis County has no zoning ordinance. The county legal census found no county zoning ordinance, citing bexar.org.
- 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.”
Local Government Code Chapter 231, County Zoning Authority ↗Re-checked Sep 21, 2026
Living in an RV · by state lawNo county rule
Unincorporated Jeff Davis County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Jeff Davis County has no zoning ordinance. The county legal census found no county zoning ordinance, citing bexar.org.
- 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.”
Local Government Code Chapter 231, County Zoning Authority ↗Re-checked Sep 21, 2026
Camping on your land · by state lawNo county rule
Unincorporated Jeff Davis County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Jeff Davis County has no zoning ordinance. The county legal census found no county zoning ordinance, citing bexar.org.
- 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.”
Local Government Code Chapter 231, County Zoning Authority ↗Re-checked Sep 21, 2026
Tiny homes · by state lawNo county rule
Unincorporated Jeff Davis County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Jeff Davis County has no zoning ordinance. The county legal census found no county zoning ordinance, citing bexar.org.
- 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.”
Local Government Code Chapter 231, County Zoning Authority ↗Re-checked Sep 21, 2026
Manufactured homes · by state lawNo county rule
Unincorporated Jeff Davis County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Jeff Davis County has no zoning ordinance. The county legal census found no county zoning ordinance, citing bexar.org.
- 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.”
Local Government Code Chapter 231, County Zoning Authority ↗Re-checked Sep 21, 2026
Accessory dwellings · by state lawNo county rule
Unincorporated Jeff Davis County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Jeff Davis County has no zoning ordinance. The county legal census found no county zoning ordinance, citing bexar.org.
- 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.”
Local Government Code Chapter 231, County Zoning Authority ↗Re-checked Sep 21, 2026
Building permitNot required
Texas counties cannot mandate single-family residential building permits in unincorporated areas (permits are voluntary only); rural Jeff Davis County has no building department.
Texas county authority FAQ (Texas Local Government Code Ch. 233) ↗Scouted from the county site, not yet independently re-checked
County-wide zoningAbsent
Texas counties have no zoning authority in unincorporated areas, so there are no county zoning regulations outside Fort Davis city limits.
Texas county authority FAQ (no unincorporated zoning) ↗Scouted from the county site, not yet independently re-checked

Texas rules that apply here

Building code adoptedPartial
Industrialized housing and buildings, modules, and modular components governed by the Texas Industrialized Housing and Buildings program.
- The mandatory state code adoption applies to industrialized housing and buildings, modules, and modular components, not all construction statewide.
- The effective date is July 1, 2024.
- The International Existing Building Code applies to alterations of portable industrialized buildings.
- Manufacturers already certified for Texas must have design-package documents reviewed and approved to the new editions with an approval date on or after July 1, 2024, unless the manufacturer elected to transition before the effective date under Department rule 70.70(a)(5)(B).
- Construction begun on or after July 1, 2024 must comply with the new code editions and approved design packages.
- Construction begun before July 1, 2024, or before a manufacturer's effective transition date, must meet the stated completion, inspection, and labeling deadline to remain eligible for a Texas decal.
effective date: 2024-07-01 · International Building Code: 2021 Edition (including appendices C, F, and K) · International Residential Code: 2021 Edition (including appendices AG, AH, AK, AP, AQ, and AT) · International Fuel Gas Code: 2021 Edition · International Mechanical Code: 2021 Edition · International Plumbing Code: 2021 Edition · International Energy Conservation Code: 2015 Edition · National Electrical Code: 2020 Edition · International Existing Building Code: 2021 Edition (for alterations of portable industrialized buildings)
“July 1, 2024, all industrialized housing and buildings, modules, and modular components shall comply with the following codes, as amended in §70.101 of the IHB Rules:”
Industrialized Housing and Buildings – Adoption of New Code Editions ↗Re-checked Sep 12, 2026
Who permits septicMixed
On-site sewage facilities, including septic systems, throughout Texas
- In most areas, local governments act as TCEQ-authorized agents and administer the OSSF program.
- The TCEQ regional office is the permitting authority where a local jurisdiction has not been authorized.
- Local permitting programs may be more stringent than state minimums.
“TCEQ is not often the OSSF permitting authority. [...] The TCEQ regional office will be the permitting authority in locations where a local jurisdiction has not been authorized.”
Getting a Permit for an OSSF - Such as a Septic System ↗Re-checked Sep 12, 2026
Septic permitRequired
Construction, installation, alteration, extension, or repair of an OSSF in Texas
- A permit and approved plan are required to construct, alter, repair, extend, and operate an OSSF.
- A 10-acre exemption may apply only if all listed conditions are met: site evaluation by a TCEQ-licensed site evaluator or professional engineer; single-family dwelling on at least 10 acres; no nuisance or groundwater pollution; all OSSF parts at least 100 feet from the property line; effluent disposed of on the property; and the single-family 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 also be exempt if the stated conditions are met.
minimum tract size for 10-acre exemption: >= 10 acres (single-family dwelling and all other TCEQ conditions must be met) · minimum OSSF distance from property line for 10-acre exemption: >= 100 feet (all parts of the OSSF) · emergency repair reporting deadline: <= 72 hours (after repairs have begun; written report to permitting authority)
“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”:”
Getting a Permit for an OSSF - Such as a Septic System ↗Re-checked Sep 12, 2026
One more reviewed finding on this topic
- Required — Construction, installation, alteration, extension, or repair of an OSSF, including septic systems, in Texas and therefore Jeff Davis County, subject to the stated exemptions.
  “Almost all OSSFs must have a permit prior to any construction, installation, repair, extension, or other alteration.”
  Getting a Permit for an OSSF - Such as a Septic System ↗Re-checked Sep 11, 2026
Septic inspectionLimited
OSSF installation and, where applicable, maintenance inspections in Texas
- Authorized agents or their designated representatives inspect system installation.
- Some permitting authorities impose more stringent requirements.
- Maintenance-provider inspection and reporting requirements apply to systems and circumstances governed by 30 TAC §285.91(4).
- Electronic monitoring may reduce reporting to every six months where the stated monitoring conditions apply.
reduced maintenance reporting interval with qualifying electronic monitoring: 6 months (only where the system uses the specified electronic monitoring, automatic notification, and disinfection monitoring)
“Many times, the AA has a "designated representative" (DR) to assist them with their responsibilities, which include reviewing plans for constructing, altering, extending or repairing each OSSF; issuing permits; and inspecting system installation. [...] If the system uses an electronic monitor, automatic radio or telephone to notify the maintenance provider of system or component failure and to monitor the amount of disinfection in the system, reporting may be reduced to every six months.”
Basics for Septic Systems ↗Re-checked Sep 12, 2026
One more reviewed finding on this topic
- Limited — OSSFs using secondary treatment or drip irrigation in Texas and therefore Jeff Davis County.
  “A system using secondary treatment or drip irrigation must be inspected by a valid maintenance company once every four months, [...]”
  Advice for an Owner of an On-Site Sewage Facility (Septic System) ↗Re-checked Sep 11, 2026
Off-grid sanitationLimited
Off-grid wastewater sanitation using an OSSF in Jeff Davis County.
- An OSSF generally requires a permit and approved plan.
- A single-family dwelling on a tract of at least 10 acres may qualify for the 10-acre permitting exemption only if all listed site evaluation, nuisance, groundwater, setback, on-property effluent-disposal, and single-dwelling conditions are met.
- Local permitting requirements may be more stringent than state minimums.
10-acre exemption tract size: >= 10 acres (all TCEQ conditions must be met) · property-line setback: >= 100 feet (all parts of the OSSF)
“An OSSF may be exempt from permitting if it complies with all other requirements, [...]”
Getting a Permit for an OSSF - Such as a Septic System ↗Re-checked Sep 11, 2026
Driveway accessRequired
New or modified access driveways connecting property in Jeff Davis County to a highway on the Texas state highway system.
- The applicant should contact the local District TxDOT office.
- The property owner or authorized representative must submit Form 1058 with the proposed work description, applicant information, and driveway location.
- No driveway construction may begin in the right of way until a fully executed permit has been received and 24-hour notice has been given to TxDOT.
- The driveway must comply with the permit and applicable regulations and is subject to TxDOT inspection.
- A local public agency may administer permitting only if authority has been transferred with TxDOT approval; TxDOT drainage approval remains required before local approval.
- Driveway design must comply with applicable geometric, environmental, ADA, and Texas Accessibility Standards requirements.
residential driveway maximum width: <= 24 feet (Measured at right angles to the driveway centerline, except as increased by permissible radii.) · minimum driveway radius at highway pavement: >= 15 feet · minimum notice before right-of-way construction: 24 hours (Notice to TxDOT after receipt of a fully executed permit.)
“To obtain a permit to construct a driveway or to revise any existing driveway, the applicant should contact the local District TxDOT office.”
Access Management Manual — Section 4: Driveway Permits, Design, and Materials ↗Re-checked Sep 11, 2026
One more reviewed finding on this topic
- Required — New or modified access driveways connecting property to a Texas state highway right of way.
  “A driveway must be constructed in accordance with a fully executed driveway permit”
  Section 4: Driveway Permits, Design, and Materials ↗Re-checked Sep 12, 2026
Permit processPublished (with conditions)
Constructing a new driveway or revising an existing driveway on the right of way of a Texas state highway.
- The applicant should contact the local District TxDOT office.
- The applicant must submit Form 1058, Permit to Construct Access Driveway Facilities on Highway Right of Way.
- The application must be for the bona fide purpose of securing or changing access to the owner's property, not parking or servicing vehicles on state highway rights of way.
- No construction may begin on the right of way until a fully executed driveway permit is received and the applicant gives TxDOT 24-hour notification.
- The driveway must comply with the executed permit and applicable regulations; TxDOT inspection must find construction satisfactory.
- Where a local public agency has permitting authority, drainage impacts on the state highway system still require TxDOT approval before local approval.
- Driveway geometrics, utilities, environmental requirements, wetlands considerations, ADAAG, TAS, and other applicable state and federal laws must be considered.
required form: Form 1058, Permit to Construct Access Driveway Facilities on Highway Right of Way · advance notification: 24 hours (Notification to TxDOT is required before construction on the right of way.) · private residential driveway maximum width: <= 24 feet (Except as increased by permissible radii.) · minimum driveway radius to highway pavement: >= 15 feet
“The applicant shall complete and submit to TxDOT a Form 1058”
Section 4: Driveway Permits, Design, and Materials ↗Re-checked Sep 12, 2026
One more reviewed finding on this topic
- Published (with conditions) — On-site sewage facility permits, including septic systems and holding tanks, in Jeff Davis County where the state or a state-authorized permitting authority administers the OSSF program.
  “A permit and approved plan are required to construct, alter, repair, extend, and operate an OSSF.”
  Getting a Permit for an OSSF - Such as a Septic System ↗Re-checked Sep 11, 2026
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.”
Local Government Code Chapter 231, County Zoning Authority ↗Re-checked Sep 21, 2026
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.”
Local Government Code Chapter 233, County Regulation of Housing and Other Structures ↗Re-checked Sep 21, 2026

Still unanswered

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

Owner-builder exemption — Whether an owner-builder exemption from Jeff Davis County building permits, inspections, or related construction requirements is available in unincorporated Jeff Davis County.
Inspections — Whether Jeff Davis County currently requires or administers building inspections for construction in unincorporated Jeff Davis County.
Certificate of occupancy — Whether Jeff Davis County currently requires a certificate of occupancy or certificate of compliance for any building type.
Local zoning — Zoning administered by municipalities or other local authorities within Jeff Davis County, including Fort Davis and Valentine, and any unincorporated-area controls.
Mandatory utility hookup — Whether public water, public sewer, or both are required or available for development in Jeff Davis County.

3 more unanswered

Subdividing land
Short-term rentals
Permit fees

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 Jeff Davis County, Texas

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

Jeff Davis County scores 55/100 on the Bolthole Index, a solid county profile. Its strengths: deep seclusion — about 221 people within 15 miles and low administrative friction for a quiet rural property. Watch-outs: weak self-sufficiency basics: only 14.2″ of rain a year, in severe drought 31.2% of years and elevated mid-century heat, water, rain, or wildfire exposure.

Do you need a building permit in Jeff Davis County, Texas?

Jeff Davis 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 Jeff Davis County (TCEQ authorized agent for on-site sewage). 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 Jeff Davis County?

Living in an RV on your own land in Jeff Davis County is allowed: Unincorporated Jeff Davis County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Jeff Davis County has no zoning ordinance. The county legal census found no county zoning ordinance, citing bexar.org. 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 Jeff Davis County, Texas?

Land in Jeff Davis County runs about $1,101 per acre, based on the latest county data.

What is the water situation in Jeff Davis County?

Jeff Davis County gets about 14.2" of rain a year, with severe drought in roughly 31.2% of years.

How remote is Jeff Davis County?

A typical private-land location has about 221 people within 15 miles and 82,688 within 100 miles. These radius catchments are the published fallback where road routing is unavailable.

Building permits, zoning and land rules in Jeff Davis County, Texas

At a glance

Who to call

Do you need a building permit in Jeff Davis County, Texas?

Who handles county business in Jeff Davis County, and how do you reach them?

Does Jeff Davis County have zoning?

How do septic permits work in Jeff Davis County?

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

Building a home in Jeff Davis County: the steps, in order

What to check before you buy land in Jeff Davis County

Watch-outs

Sources

Jeff Davis County in Texas

How Jeff Davis County scores

Find land. Bring the promising ones back.

Parcel due diligence

Answers from the rulebook for Jeff Davis County

Jeff Davis County rules

Texas rules that apply here

Still unanswered

Living off-grid in Jeff Davis County, Texas

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

Do you need a building permit in Jeff Davis County, Texas?

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

How much does land cost in Jeff Davis County, Texas?

What is the water situation in Jeff Davis County?

How remote is Jeff Davis County?

How Jeff Davis compares in Texas