Bolthole Index

Webb County, Texas

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

59Index Score / 100
#96 of 254 in Texas

Unincorporated Webb County, Texas requires a Fire Marshal Building Permit for a new building, remodeling, or opening a new business in an existing location1. The county has no zoning ordinance for unincorporated land, but floodplain, subdivision and utility approvals still apply234. Septic permits go through Webb County Planning5.

At a glance

Building permit
Required for a new building, remodeling, or a new business in an existing location in unincorporated Webb County1
Zoning
No county zoning ordinance for unincorporated land2
Septic permit
Required through Webb County Planning, with initial and final construction inspections567
RV / tiny home living
No county zoning rule restricts occupancy on unincorporated land; septic, floodplain and other development rules still apply863
Minimum home size
No minimum set by county zoning on unincorporated land8
Owner-builder
Narrow state trade-license exemptions apply to some work on an owner's own residence or homestead; county permits still apply91
Planning application order
File a Development Determination Application before any other Planning Department application10
Septic soil difficulty
Only 21.2% of county soils lack severe limits for a conventional drain field11

Who to call

Planning & zoning

Webb County Planning and Physical Development Department

Land-development applications, utility connections, floodplain permits, platting, and regulatory review of on-site sewage disposal systems

956-523-4100

1110 Washington St. Suite 302 Laredo, Texas 78040

Online permits →

Contact details are copied from each office’s official page and were checked against it on October 11, 2026.

Off-grid gear

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

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

Webb County requires a Building Permit to construct a new building, remodel, or open a new business in an existing location in an unincorporated area1. Submit the Building Permit Application and two copies of building plans to the Fire Marshal's Office for review, and prominently post the permit on-site when construction or remodeling begins1. The requirement belongs to the county's Fire Code and Certificate of Compliance process; the guidance does not establish adoption of a complete structural building code12. Texas's narrow owner-builder trade-license exemptions do not remove Webb County's building permit requirement91. After completing each Fire Marshal permit, submit a Request for Final Inspection; any fire-alarm or suppression system needs its system inspection first13.

Who issues building permits in Webb County, Texas, and how do you reach them?

The Webb County Fire Marshal's Office handles the Building Permit, Fire Code review, final inspection and Certificate of Compliance process described for unincorporated areas11314. The Webb County Planning and Physical Development Department handles development determinations, floodplain and utility applications, and platting; Webb County Planning also administers septic permits countywide155. Planning is at 1110 Washington St. Suite 302, Laredo, Texas 78040, and its phone number is 956-523-410015. The county publishes its Planning forms and fees online; the Development Determination Application costs $30 for residential or non-residential projects and $100 for commercial, and the floodplain development fee is $50 per residential structure16. We could not confirm a current Fire Marshal contact page, so call Planning and ask for the Fire Marshal's application contact before filing.

Does Webb County, Texas have zoning?

Unincorporated Webb County has no county zoning ordinance2. As a result, county zoning sets no minimum dwelling size, minimum lot size, setback, lot-coverage limit or building-height limit, and it does not restrict RV, tiny-home, manufactured-home or temporary-camping occupancy on unincorporated land8. Inside Laredo city limits, the City of Laredo assigns zoning districts and regulates land use; Webb County Planning remains the countywide septic authority175. Webb County regulates subdivisions outside incorporated city limits and generally requires a plat before land divided into multiple tracts is recorded4. One subdivision exemption may apply when the smallest tract is at least 50 acres and the land is not used for commercial, industrial or other business-oriented purposes18. Floodplain, septic, utility and Fire Marshal requirements can also apply even where county zoning does not36191.

How do septic permits work in Webb County, Texas?

Webb County Planning administers on-site sewage facility applications and inspections through a licensed TCEQ Designated Representative5. Before constructing a new residential, institutional or commercial private sewage facility, retain a currently licensed installer and submit the application, site-specific design, supporting documents and fees to Planning6. Planning issues authorization to construct only after review and approval by the Designated Representative6. The published county fee is $310 for a residential OSSF application and $410 for an institutional or commercial application16. Webb County requires an initial inspection and a final inspection, with Planning contacted at least two business days ahead; final approval leads to the license to operate7. Only 21.2% of Webb County soils lack severe limits for a conventional drain field, so obtain the site evaluation early and budget for a system suited to the parcel11.

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

For an RV or tiny home on unincorporated Webb County land, wastewater, floodplain and utility approvals still matter even without county zoning220319. A private septic system serving an RV or tiny home must go through Webb County's OSSF process before construction and operation20. Development in or affecting a regulated flood hazard area requires a Floodplain Development Permit, while development outside such an area receives an exemption determination from the Floodplain Administrator3. Utility-connection requests are subject to county review and on-site inspection, and submission does not guarantee approval19. The Fire Marshal's published wording covers a new building but does not classify every tiny-home type, so confirm the permit treatment before placement or construction1.

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

  1. File the Development Determination Application with Webb County Planning before any other Planning application10.
  1. Obtain the county's floodplain determination before development begins; if the project affects a regulated flood hazard area, secure the Floodplain Development Permit3.
  1. Submit the Building Permit Application and two plan copies to the Fire Marshal's Office before starting a new building or remodel in unincorporated Webb County1.
  1. Arrange the septic site evaluation and file the OSSF design, documents and fee with Planning before septic construction6. Schedule the initial and final septic inspections at least two business days ahead, and do not cover components before final inspection7.
  1. Complete the county's utility-connection process if requesting public water, sewer or electric service19.
  1. If access will connect to a state highway, submit TxDOT Form 1058 and receive the executed driveway permit before right-of-way work21.
  1. After work covered by a Fire Marshal permit is complete, submit the Request for Final Inspection and have approved as-built drawings and fire-protection documentation available on-site13. Webb County's document is a Certificate of Compliance tied to Fire Code compliance and a specific occupancy, not a general Certificate of Occupancy14.

What should you check before buying land in Webb County?

Confirm flood status first because all covered development in unincorporated Webb County needs a floodplain determination before work starts, and development affecting a regulated hazard area needs a permit3. Check whether a proposed division needs plat approval; the county regulates divisions into multiple tracts outside city limits, subject to stated exceptions418. Budget for wastewater carefully because only 21.2% of county soils lack severe limits for a conventional drain field11. Water planning also matters: Webb County averages about 21 inches of precipitation a year, and severe drought occurs in 26.3% of years2223. A new or modified driveway connecting to a state highway requires TxDOT Form 1058 and an executed permit before right-of-way construction21. Finally, verify utility availability and do not treat submission as approval, because Webb County conditions utility authorization on its review and inspections19.

Watch-outs

  • Webb County requires a Building Permit for a new building or remodeling in an unincorporated area, but the guidance does not classify every residential project; ask the Fire Marshal before starting work1.
  • Texas owner-builder exemptions cover certain state trade licenses, not every construction activity, so doing the work yourself does not remove Webb County's permit or inspection requirements9113.
  • Webb County businesses must obtain the Fire Marshal's Certificate of Compliance before opening; allow up to 5 days for scheduling and conducting the final inspection after submitting the required documentation1413.
  • A Development Determination Application comes before every other Webb County Planning application10.

Sources

  1. How to obtain a Certificate of Compliance, quoted and re-checked
  2. Webb County Planning Department (2026 county census)
  3. Webb County Flood Damage Prevention Order, quoted and re-checked
  4. Webb County Subdivision Regulations, quoted and re-checked
  5. On-Site Sewage Facility (OSSF) Application, quoted and re-checked
  6. On-Site Sewage Facility (OSSF) Application, quoted and re-checked
  7. On-Site Sewage Facility (OSSF) Application, quoted and re-checked
  8. Texas law on county zoning and building authority
  9. Exemptions to Electrician Licensing (Texas statewide rule), quoted and re-checked
  10. Development & Utility Application & Required Support Data, quoted and re-checked
  11. Share of soils USDA rates "not limited" for a conventional septic drain field (SSURGO). A strict rating: the median county is about 6% and a tenth of counties are 0%, so a low figure means most lots need a site evaluation or an engineered system, not that septic is impossible. Cite it only with that caveat: Bolthole Index county data
  12. How to obtain a Certificate of Compliance, quoted and re-checked
  13. webbcountytx.gov, quoted and re-checked
  14. How to obtain a Certificate of Compliance, quoted and re-checked
  15. Webb County Planning and Physical Development Department (webbcountytx.gov)
  16. Development & Utility Application & Required Support Data, quoted and re-checked
  17. Laredo: Zoning (Webb County), quoted and re-checked
  18. Webb County Subdivision Regulations, quoted and re-checked
  19. Plat Application & Required Support Data, quoted and re-checked
  20. On-Site Sewage Facility (OSSF) Application, quoted and re-checked
  21. Access Management Manual: Permits, quoted and re-checked
  22. Annual precipitation: Bolthole Index county data
  23. Share of years in severe drought: Bolthole Index county data

Written October 11, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.

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Compared with neighboring counties

Unlike all 6 of its neighbors, Webb County requires a building permit for a home.

RuleWebb CountyDuval CountyLa Salle CountyJim Hogg CountyZapata CountyDimmit CountyMcMullen County
Building permitRequiredNot requiredLimitedNot requiredNot requiredNot requiredLimited
County zoningNoNoNoNoYesNoNo
Septic permitsCounty Planning Dept.Duval CountyLa Salle CountyJim Hogg CountyZapata CountyDimmit CountyMcMullen County

County locator

Webb County in Texas

59
County map
Webb County highlighted among the Texas counties · colored by Index score

How Webb County scores

Seclusion65100% ev.
Self-Sufficiency2396% ev.
Admin Boringness8790% ev.
Durability60100% ev.
Property Autonomy71100% ev.
Carry Cost81100% 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 →

$218kTypical home
1.9%Property tax
$1,750Land / acre
21"Annual rain
26.3% of yrsSevere drought
90.4 / yr (+47)Mid-century 100°F days
35.8 daysMid-century dry spell
2.06" (+7.2%)Mid-century 1-day rain
1.32×Wildfire change factor
100%Forward climate coverage
$1,576Home insurance / yr
-1.1% / yrInsurance growth
0%Nonrenewal rate
county median (2+ published ZIPs)Insurance basis
1,289People within 30 min
1,558,247People within 2 hr
1,850Radius comparison (15 mi)
80.1People / sq mi
0%Federal land
100%Land at 15% slope or less
21.2%Soils rated "not limited" for septic (strict USDA rating)
437,703 acWorkable land screen
16.4%Wooded land
3.9 tonsBiomass / forest ac
72.9°FAvg temp

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Cities and towns in Webb County

Inside a city or town, that city usually issues building permits and sets zoning; the county’s rules above cover unincorporated land. Septic, wells and floodplain rules usually stay with the county or state everywhere.

El Cenizo · Laredo · Rio Bravo

Answers from the rulebook for Webb County

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

Webb County rules

  • Building permitRequired

    Constructing a new building, remodeling, or opening a new business in an existing location within unincorporated Webb County.

    • The source describes the requirement under the Webb County Fire Marshal's Certificate of Compliance process.
    • Two copies of building plans must be submitted with the Building Permit Application to the Fire Marshal's Office for plan review.
    • The permit must be prominently posted on-site once construction or remodeling commences.
    • The source also states that a Certificate of Compliance is required before business operations commence.
    “If you are constructing a new building, remodeling, or opening a new business in an existing location within unincorporated areas, you will need to obtain a Building Permit.”
    One more reviewed finding on this topic
    • Required — Construction of a new building, remodeling, or opening a new business in an existing location within Webb County's unincorporated areas.
      “If you are constructing a new building, remodeling, or opening a new business in an existing location within unincorporated areas, you will need to obtain a Building Permit.”
  • Building code adoptedPartial

    Webb County Fire Code compliance and building-permit review for construction, substantial improvement, remodeling, or a new business in unincorporated Webb County.

    • The source establishes adoption and enforcement of the Webb County Fire Code, not adoption of a complete general structural building code.
    • A Certificate of Compliance does not authorize operation or maintenance that could create, cause, or allow a fire or life-safety hazard.
    • For new buildings, remodeling, or opening a new business in an existing location within unincorporated areas, a Building Permit is required.
    • Two copies of building plans and the Building Permit Application must be submitted to the Fire Marshal's Office for plan review.
    • The permit must be prominently posted on-site once construction or remodeling commences.
    • Fire-alarm or suppression systems require a system inspection before the final building inspection.
    • A Request for Final Inspection must be submitted after completing each permit.
    • The Fire Inspector arranges inspection after required documentation is submitted; the source states to allow up to five days for scheduling and conducting the inspection.
    • Business operations must not commence without a Certificate of Compliance.
    • Final approved revised as-built drawings and documentation for installed fire-protection systems must be available on-site.
    “A 'Certificate of Compliance' refers to a document issued by the County Fire Marshal, indicating that construction or substantial improvement complies with the Webb County Fire Code as of a specific date and for a specific occupancy. [...] If you are constructing a new building, remodeling, or opening a new business in an existing location within unincorporated areas, you will need to obtain a Building Permit.”
  • InspectionsRequired

    Construction or remodeling subject to Webb County's unincorporated-area building permit guidance.

    • The permit must be prominently posted on-site once construction or remodeling commences.
    • An inspector may visit to verify that the facility holds a valid permit.
    • If the facility has a fire alarm or suppression system, the installer must schedule a system inspection before the final building inspection.
    • After completing each permit, the applicant must submit a Request for Final Inspection.
    • After required documentation is submitted, a Webb County Fire Inspector contacts the applicant to arrange inspection; the source states to allow up to five days for scheduling and conducting the inspection.
    • The inspector requires final approved revised as-built drawings and documentation for installed fire protection systems available on-site.

    inspection scheduling and conducting period: <= 5 days (The source says to allow up to five days when determining a business opening date.)

    “After completing each permit, you must submit a 'Request for Final Inspection' to the Fire Marshal's Office”
    One more reviewed finding on this topic
    • Required — Each Webb County Fire Marshal building permit for construction or remodeling in an unincorporated area.
      “After completing each permit, you must submit a 'Request for Final Inspection' to the Fire Marshal's Office [...] After you have submitted all required documentation, a Webb County Fire Inspector will contact you to arrange your inspection. Please allow up to (5) days for scheduling and conducting the inspection when determining your business opening date.”
  • Certificate of occupancyLimited

    Webb County Fire Marshal Certificate of Compliance for construction or substantial improvement associated with a specific occupancy, including opening a new business in an existing location within an unincorporated area.

    • The county document calls the instrument a Certificate of Compliance, not a Certificate of Occupancy.
    • The certificate indicates that construction or substantial improvement complies with the Webb County Fire Code as of a specific date and for a specific occupancy.
    • Business operations must not commence without obtaining a Certificate of Compliance.
    • Obtaining the certificate does not authorize operation or maintenance of a building in a manner that could create, cause, or allow a fire or life-safety hazard; such conditions remain subject to independent enforcement by the County Fire Marshal.
    • A current Webb County Planning Department page lists a Certificate of Compliance Application fee of $30 for residential/agricultural applications per meter and $100 for commercial applications per meter.

    residential/agricultural certificate application fee: 30 USD per meter (Money order, cashier's check, or in-person credit card payment.) · commercial certificate application fee: 100 USD per meter (Money order, cashier's check, or in-person credit card payment.)

    “A 'Certificate of Compliance' refers to a document issued by the County Fire Marshal, indicating that construction or substantial improvement complies with the Webb County Fire Code as of a specific date and for a specific occupancy.”
  • Zoning districts · by state lawNo county rule

    Unincorporated Webb County: no county rule sets this, because Webb County has adopted no county zoning ordinance (Texas law lets some counties zone, but this one has not). The county legal census found no county zoning ordinance, citing webbcountytx.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 Webb County: no county rule sets this, because Webb County has adopted no county zoning ordinance (Texas law lets some counties zone, but this one has not). The county legal census found no county zoning ordinance, citing webbcountytx.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 Webb County: no county rule sets this, because Webb County has adopted no county zoning ordinance (Texas law lets some counties zone, but this one has not). The county legal census found no county zoning ordinance, citing webbcountytx.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 Webb County: no county rule sets this, because Webb County has adopted no county zoning ordinance (Texas law lets some counties zone, but this one has not). The county legal census found no county zoning ordinance, citing webbcountytx.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 Webb County: no county rule sets this, because Webb County has adopted no county zoning ordinance (Texas law lets some counties zone, but this one has not). The county legal census found no county zoning ordinance, citing webbcountytx.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 Webb County: no county rule sets this, because Webb County has adopted no county zoning ordinance (Texas law lets some counties zone, but this one has not). The county legal census found no county zoning ordinance, citing webbcountytx.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 Webb County: no county rule sets this, because Webb County has adopted no county zoning ordinance (Texas law lets some counties zone, but this one has not). The county legal census found no county zoning ordinance, citing webbcountytx.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 Webb County: no county rule sets this, because Webb County has adopted no county zoning ordinance (Texas law lets some counties zone, but this one has not). The county legal census found no county zoning ordinance, citing webbcountytx.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 Webb County: no county rule sets this, because Webb County has adopted no county zoning ordinance (Texas law lets some counties zone, but this one has not). The county legal census found no county zoning ordinance, citing webbcountytx.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 Webb County: no county rule sets this, because Webb County has adopted no county zoning ordinance (Texas law lets some counties zone, but this one has not). The county legal census found no county zoning ordinance, citing webbcountytx.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 Webb County: no county rule sets this, because Webb County has adopted no county zoning ordinance (Texas law lets some counties zone, but this one has not). The county legal census found no county zoning ordinance, citing webbcountytx.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 septicCounty

    On-site sewage facility permitting and operation in Webb County, including county-administered OSSF applications and inspections.

    • The county program operates under applicable TCEQ and state OSSF requirements.
    • The Webb County Planning Department reviews applications through a licensed TCEQ Designated Representative.
    “WHEREAS, the County is charged by statute to regulate the installation and operation of on-site septic disposal systems for the public welfare.”
  • Septic permitRequired

    New residential, institutional, and commercial private sewage facilities in Webb County.

    • Before construction, the applicant must retain a septic tank installer with a valid current license and submit a complete application, site-specific design, required documents, and fees to the Webb County Planning Department.
    • If the site is less than one-half acre or is an institutional project, the application must be signed by a Professional Engineer or Sanitarian and the site-specific design must be sealed by an Engineer or Sanitarian.
    • The application must include the required floodplain determination, site evaluation, professional-quality site plan, planning materials, ownership documentation, Development Compliance Notice, and any required Exemption Permit.
    • Authorization to Construct is issued only after review and approval by a licensed TCEQ Designated Representative.
    • Authorization to Construct is valid for one year; failure to complete construction within one year requires a new application and fees.
    • The form identifies non-refundable fees of $10 TCEQ research/permit fee per authorization to construct, $100 residential permit application and review, $200 commercial permit application and review, $100 inspection, $50 re-inspection, and $50 decommissioning certificate.
    • Undersized-lot systems in Bruni, Mirando City, and Oilton are subject to a separate conditional operating agreement and must be abandoned or connected when public sewage is available within 300 feet, subject to the agreement's stated tank exception.

    TCEQ research/permit fee: per 10 USD per authorization to construct · residential permit application and review: 100 USD each · commercial permit application and review: 200 USD each · authorization to construct validity: 1 year (Failure to complete construction within one year requires a new application and fees.) · public sewage availability connection threshold: <= 300 feet (Applies to undersized-lot conditional systems in Bruni, Mirando City, and Oilton under the local agreement.)

    “authorization to construct shall be issued.”
  • Septic inspectionRequired

    Construction of residential, institutional, and commercial OSSFs requiring Webb County authorization.

    • Two construction inspections are required: an initial inspection and a final inspection.
    • The Webb County Planning Department must be contacted at least two business days in advance to schedule septic tank construction inspections.
    • The initial inspection verifies the location and parameters of the proposed OSSF.
    • The final inspection occurs when excavation, trenches, tank, and lines are in the specified installation condition and the site is ready for backfilling; Type II soil for backfilling must be on site.
    • A licensed OSSF Installer I or II with a current Installers Permit must be on duty during all OSSF inspections.
    • A license to operate is issued after final inspection and approval.
    • The application form separately states that final inspection is required before all components are covered.

    advance inspection notice: >= 2 business days · required construction inspections: 2 inspections (Initial and final inspections.) · inspection fee: 100 USD each · re-inspection fee: 50 USD each (If not passed during initial inspection.)

    “TWO INSPECTIONS are required of the construction as the improvements are being installed. This office shall be contacted at least 2 business days in advance to schedule all septic tank construction inspections. INITIAL INSPECTION Verify location and parameters of proposed OSSF system FINAL INSPECTION Site has been excavated, trenches established and leveled (no pipe or gravel in the trenches), tank and lines are in place, properly fitted and leveled within the 12” of gravel. Excavated site is ready for backfilling. Type II soil for backfilling must be on the job site.”
  • Off-grid sanitationAllowed (with conditions)

    Private on-site sewage facilities used instead of an organized public sewer system in Webb County.

    • An OSSF construction permit and license to operate are required before the system may be constructed and operated.
    • The OSSF must meet TCEQ minimum requirements and receive Webb County Planning Department approval through the designated representative.
    • The application form asks applicants to state why the property is not connected to an organized disposal system and identifies systems more than 300 feet from public sewer as a relevant condition.
    • Final inspection and approval are required before the license to operate is issued.
    • For undersized lots in Bruni, Mirando City, and Oilton, the county's conditional agreement requires connection to public sewage and abandonment of the drainfield when public sewage is available within 300 feet, subject to the agreement's stated 1,000-gallon tank exception.

    public sewer distance referenced on application: > 300 feet (The form asks whether the closest public sewer is more than 300 feet away; undersized-lot agreement separately requires connection when public sewage is available within 300 feet.)

    “authorize an on-site septic installation”
  • Mandatory utility hookupConditional

    Residential subdivision plat applications and related residential utility-support documentation in Webb County.

    • For public water, a water agreement with receipt is required.
    • For individual wells or other non-public water systems, a groundwater availability study must comply with 30 TAC Sections 230.1-230.11.
    • For wastewater treated by an existing retail public utility, a wastewater agreement with receipt is required.
    • For OSSF wastewater treatment, approval by TCEQ or a Designated Representative is required.
    “Water will be provided by connecting to an existing public water system: Water Agreement with Receipt [...] Water will be provided by individual wells or other non-public systems: Groundwater availability study complying with the requirements of 30 TAC Section 230.1-230.11 for water availability for individual water supply wells on individual lots”
  • Subdividing landLimited

    Subdivision of property in unincorporated Webb County where the smallest tract consists of at least 50 acres.

    • The 2002 amendment applies to all unincorporated areas of Webb County.
    • The 50-acre exemption is conditioned on the land not being used for commercial, industrial, or other business-oriented purposes; the 2002 amendment replaced the prior restrictive-covenant wording with this land-use condition.
    • The amendment was adopted by the Webb County Commissioners Court on September 9, 2002.

    smallest tract: >= 50 acres (The land must not be used for commercial, industrial, or other business-oriented purposes.)

    “(5) The subdivision of property into tracts of land in which the smallest tract consists of at least fifty (50) acres and such land is restricted against not used for the purpose of commercial, industrial and other business-oriented uses.”
    One more reviewed finding on this topic
    • Regulated (with conditions) — Division of land into two or more tracts for subdivision, residential lots, commercial sites, building lots, streets, roads, parks, or other areas intended for public use or use by purchasers or owners, in Webb County outside incorporated city limits.
      “every owner of any tract of land situated within the limits of Webb County, but outside the corporate limits of any city [...] are required to submit a plat of such subdivision for approval of the Webb County Commissioners' Court;”
  • Building in a floodplainRequired

    Construction, substantial improvements, repairs, rehabilitation, subdivision proposals, and other development in unincorporated Webb County that occurs within or otherwise impacts a regulated flood hazard area under the Webb County Flood Damage Prevention Order.

    • A Floodplain Determination is required for all listed development in unincorporated Webb County.
    • No development activities may commence until the Floodplain Administrator issues the determination.
    • If the development does not occur within or otherwise impact a regulated flood hazard area, the Floodplain Administrator issues an exemption certificate, which may include conditions or limitations.
    • If the determination finds that the development will occur within or otherwise impact a regulated flood hazard area, a Floodplain Development Permit is required for all development.
    • The order was adopted March 25, 2008 and revised August 12, 2019.
    • Additional permits or authorizations may be required for subdivisions, substantial projects, developmental stages, or other development.
    “If the proposed development will [...] impact a regulated flood hazard area [...] a Floodplain Development Permit shall be required for all development”
  • Permit feesPublished (with conditions)

    Webb County Planning Department development, utility, floodplain, OSSF, decommission, certificate-of-compliance, and junk-yard applications.

    • Fees vary by application type and, where stated, by residential/non-residential, commercial, institutional, or per-structure/per-development category.
    • Listed payment methods include money order, cashier's check, and in-person credit card payment.
    • All applications must be signed appropriately and the original returned to the office; incomplete applications will not be processed.

    development determination fee, residential/non-residential: 30 USD · development determination fee, commercial: 100 USD · floodplain development fee, residential/non-residential: 50 USD per structure/development · floodplain development fee, commercial: 200 USD per structure/development · OSSF fee, residential: 310 USD · OSSF fee, institutional/commercial: 410 USD · decommission application fee: 50 USD · certificate of compliance fee, residential/agricultural: 30 USD per meter · certificate of compliance fee, commercial: 100 USD per meter · junk yard development fee: 100 USD · junk yard license application and renewal fee: 25 USD

    “Development Determination Application Fees [...] Residential / Non-Residential: $30 [...] Commercial: $100”
  • Permit processPublished (with conditions)

    Webb County Planning Department development and utility applications, including development determinations and floodplain development applications.

    • A Development Determination Application is required prior to any other application.
    • Development determination applications require the original application, recorded ownership, and copy of identification.
    • Floodplain applications require the original application, recorded ownership, copy of identification, and Development Compliance Notice.
    • All applications must be signed appropriately and the original returned to the office; incomplete applications will not be processed.
    “Development Determination Application (Required Prior to Any Other Application)”
  • County-wide zoningAbsent

    Texas counties generally cannot zone unincorporated land; Webb County administers land-development and floodplain regulations rather than a zoning ordinance.

    Webb County Planning Department ↗Scouted from the county site, not yet independently re-checked

Texas rules that apply here

  • Owner-builder exemptionConditional

    An owner performing electrical, plumbing, or air-conditioning and refrigeration work on the owner's own residence or homestead in Texas.

    • Electrical work is exempt from state electrician licensing when performed on a dwelling the person owns and resides in.
    • Plumbing is exempt from state plumbing licensing when performed by the property owner in the property owner's homestead.
    • Air-conditioning and refrigeration contracting is exempt from the applicable state registration requirements when performed in a building owned solely by the person as the person's home.
    • These exemptions do not establish a blanket exemption for every construction trade or contractor-regulated activity.
    “A person who perform electrical work on a dwelling that they own and reside in is not required by the state to be licensed as electricians.”
    One more reviewed finding on this topic
    • Conditional — Electrical work on a dwelling owned and occupied by the property owner in Texas.
      “A person who perform electrical work on a dwelling that they own and reside in is not required by the state to be licensed”
  • Well permitLimited

    Drilling, equipping, operating, or completing a water well, or substantially altering a well or well pump, where the well is within a groundwater conservation district in Texas.

    • A groundwater conservation district must require a permit except as provided by Texas Water Code §36.117.
    • A district may not require a permit or permit amendment for maintenance or repair that does not increase production capability above the authorized or permitted production rate.
    • Permit applications must be in writing and sworn.
    • Whether a particular private well is exempt or subject to additional district requirements depends on the applicable groundwater conservation district's rules.

    permit application form: in writing and sworn

    “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.”
  • Driveway accessRequired

    New or modified driveways connecting to Texas state highway rights-of-way, including such access in Webb County.

    • The applicant should contact the local TxDOT District office.
    • Form 1058 must include the proposed-work description, applicant name, mailing address, telephone number, and driveway location.
    • The application must be made by the property owner or authorized representative representing all parties in interest.
    • The application must be for securing or changing access to the owner's property, not for parking or servicing vehicles on state highway rights-of-way.
    • No driveway construction may begin on the right-of-way until a fully executed permit is received and 24-hour notice is given to TxDOT.
    • The driveway must comply with the executed permit and applicable regulations; TxDOT inspects construction and may require modifications.
    • If a municipality or eligible county has received transferred permitting authority, TxDOT approval is still required for drainage impacts on the state highway system before local approval.
    “A completed Permit Form 1058 is necessary whenever new access driveways are constructed or existing access driveways are modified.”
    One more reviewed finding on this topic
  • 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.”
    One more reviewed finding on this topic
    • Limited — County zoning authority over unincorporated land in Texas, where a specific statutory grant applies.
      “As you suggest, a county has very limited and specific zoning authority, and none that may be used to regulate construction or operation of the proposed facility.”
  • 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.”
    One more reviewed finding on this topic
    • Limited — County fire-code adoption and building-permit authority for specified buildings in unincorporated areas of qualifying Texas counties, including multifamily residential dwellings of four or more units.
      “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.”

Still unanswered

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

  • Local zoning — Local zoning across Webb County, including the City of Laredo and unincorporated areas; this aggregate conclusion could not be established from accessible official webpages.
  • Short-term rentals — Short-term rental use in Webb County, including unincorporated areas

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 Webb County, Texas

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

Webb County scores 59/100 on the Bolthole Index, a solid county profile. Its strengths: low administrative friction for a quiet rural property and manageable long-term carry cost. Watch-outs: thin water margin (21″/yr rainfall).

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

Webb County generally requires a residential building permit, and it has no county-wide zoning. Onsite septic is permitted by Webb County Planning Department (TCEQ authorized 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 Webb County?

Living in an RV on your own land in Webb County is allowed: Unincorporated Webb County: no county rule sets this, because Webb County has adopted no county zoning ordinance (Texas law lets some counties zone, but this one has not). The county legal census found no county zoning ordinance, citing webbcountytx.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 Webb County, Texas?

Land in Webb County runs about $1,750 per acre, based on the latest county data.

What is the water situation in Webb County?

Webb County gets about 21" of rain a year, with severe drought in roughly 26.3% of years.

How remote is Webb County?

A representative private-land location has about 1,289 people within a 30-minute drive and 1,558,247 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.

How Webb compares in Texas

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