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 when constructing a new building, remodeling, or opening a new business in an existing location1. The county has no zoning ordinance, but floodplain, subdivision, utility and septic requirements still shape development234. Webb County Planning administers septic applications, and a new private sewage facility requires county approval before construction56.

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 the Webb County Planning Department for new private sewage facilities56
RV / tiny home living
No county zoning rule restricts occupancy on unincorporated land; septic, floodplain and other development rules still apply763
Minimum home size
No minimum set by county zoning on unincorporated land7
Owner-builder
No owner-builder exemption was confirmed; ask the Fire Marshal whether your project qualifies8
Planning application order
File a Development Determination Application before any other Planning Department application9
Septic soil difficulty
Only 21.2% of county soils lack severe limits for a conventional drain field10

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 September 28, 2026.

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

Yes, for the work described in Webb County's Fire Marshal guidance. A Building Permit is required when constructing a new building, remodeling, or opening a new business in an existing location within unincorporated Webb County1. The guidance is part of the county's Fire Code and Certificate of Compliance process, rather than proof that Webb County has adopted a complete structural building code11. The official wording says “new building” and does not expressly exclude a single-family home, so a homebuilder should ask the Fire Marshal to confirm the permit path before ordering plans or starting work1. After permitted construction or remodeling is complete, the applicant must request a final inspection from the Fire Marshal's Office12.

Who issues permits in Webb County, 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 areas1112. The Webb County Planning and Physical Development Department handles development determinations, floodplain and utility applications, platting, and septic regulatory review13. Planning is at 1110 Washington St. Suite 302, Laredo, Texas 78040, and its phone number is 956-523-410013. The county publishes its Planning forms and current fees online through the development and utility application page14. A current, verifiable Fire Marshal contact page was not available, so call Planning and ask for the Fire Marshal's current application contact before filing.

Does Webb County 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 land7. That answer is about county zoning, not every development rule. 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 purposes15. Floodplain, septic, utility and Fire Marshal requirements can also apply even where county zoning does not36161.

How do septic permits work in Webb County?

Webb County Planning is the local TCEQ-authorized agent for on-site sewage facility permits and site evaluations5. 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 a licensed TCEQ Designated Representative6. The published county fee is $310 for a residential OSSF application and $410 for an institutional or commercial application14. Only 21.2% of Webb County soils lack severe limits for a conventional drain field, so obtain the site evaluation early and leave room in the budget for a system suited to the parcel10. The county's accessible materials did not confirm the complete local inspection schedule; ask Planning which inspections your design requires before covering any component.

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

County zoning does not restrict RV or tiny-home occupancy on unincorporated Webb County land, and county zoning sets no minimum dwelling size7. That does not remove the separate development approvals tied to the site and its utilities. A private septic system serving an RV or tiny home must go through Webb County's OSSF process before construction and operation17. 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 approval16. Because the Fire Marshal's published wording covers a “new building” without defining its application to every tiny-home type, confirm the permit classification with that office 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 application9.
  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. Ask the Fire Marshal how the county's Building Permit requirement applies to the proposed home, then submit the required permit materials before construction1.
  1. Arrange the septic site evaluation and file the OSSF design, documents and fee with Planning before septic construction6.
  1. Complete the county's utility-connection process if requesting public water, sewer or electric service16.
  1. If access will connect to a state highway, submit TxDOT Form 1058 and receive the executed driveway permit before right-of-way work18.
  1. After work covered by a Fire Marshal permit is complete, submit the Request for Final Inspection12.

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 exceptions415. Budget for wastewater carefully because only 21.2% of county soils lack severe limits for a conventional drain field10. Water planning also matters: Webb County averages about 21 inches of precipitation a year, and severe drought occurs in 26.3% of years1920. Confirm legal road access and determine whether a state-highway driveway permit is needed21. Finally, verify utility availability and do not treat submission as approval, because Webb County conditions utility authorization on its review and inspections16.

Watch-outs

  • Webb County's Fire Marshal guidance says a Building Permit is required for a new building or remodeling in unincorporated areas, but it does not clearly explain how every residential project is classified; ask the Fire Marshal before starting work1.
  • No owner-builder exemption was confirmed in the county materials, so do not assume doing the work yourself removes a permit or inspection requirement8.
  • A Development Determination Application comes before every other Webb County Planning application9.

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. Webb County Planning Department (2026 county census)
  6. On-Site Sewage Facility (OSSF) Application, quoted and re-checked
  7. Texas law on county zoning and building authority
  8. (2026 county census)
  9. Development & Utility Application & Required Support Data, quoted and re-checked
  10. Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
  11. How to obtain a Certificate of Compliance, quoted and re-checked
  12. How to obtain a Certificate of Compliance, quoted and re-checked
  13. Webb County Planning and Physical Development Department (webbcountytx.gov)
  14. Development & Utility Application & Required Support Data, quoted and re-checked
  15. Webb County Subdivision Regulations, quoted and re-checked
  16. Development Determination & Utility Connection Application, quoted and re-checked
  17. On-Site Sewage Facility (OSSF) Application, quoted and re-checked
  18. Section 4: Driveway Permits, Design, and Materials (Texas statewide rule), quoted and re-checked
  19. Annual precipitation: Bolthole Index county data
  20. Share of years in severe drought: Bolthole Index county data
  21. Section 4: Driveway Permits, Design, and Materials (Texas statewide rule), quoted and re-checked

Written September 28, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.

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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%Septic soil without severe limits
437,703 acWorkable land screen
16.4%Wooded land
3.9 tonsBiomass / forest ac
72.9°FAvg temp

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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.”
  • 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

    Each Webb County Fire Marshal building permit for construction or remodeling in an unincorporated area.

    • After completing each permit, the applicant must submit a Request for Final Inspection to the Fire Marshal's Office.
    • After all required documentation is submitted, a Webb County Fire Inspector contacts the applicant to arrange the inspection.
    • The source says to allow up to five days for scheduling and conducting the inspection when determining a business opening date.
    • If the facility has any type of fire alarm or suppression system, the installer must schedule a system inspection before the final building inspection.
    • The inspector needs final approved revised as-built drawings and documentation for installed fire protection systems available on-site.

    inspection scheduling and conducting time: <= 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 [...] 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.”
  • Zoning districts · by state lawNo county rule

    Unincorporated Webb County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Webb County has no zoning ordinance. 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 Texas law gives zoning power only to certain counties, and Webb County has no zoning ordinance. 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 Texas law gives zoning power only to certain counties, and Webb County has no zoning ordinance. 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 Texas law gives zoning power only to certain counties, and Webb County has no zoning ordinance. 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 Texas law gives zoning power only to certain counties, and Webb County has no zoning ordinance. 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 Texas law gives zoning power only to certain counties, and Webb County has no zoning ordinance. 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 Texas law gives zoning power only to certain counties, and Webb County has no zoning ordinance. 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 Texas law gives zoning power only to certain counties, and Webb County has no zoning ordinance. 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 Texas law gives zoning power only to certain counties, and Webb County has no zoning ordinance. 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 Texas law gives zoning power only to certain counties, and Webb County has no zoning ordinance. 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 Texas law gives zoning power only to certain counties, and Webb County has no zoning ordinance. 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.”
  • 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.”
  • 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

    Requests for public water/sewer and electrical utility connections submitted through Webb County's Development Determination and Utility Connection process

    • Water/sewer requests require an on-site structure and may require a garbage collection service contract.
    • Electrical connection requires written confirmation from the public utility provider of current water/sewer connections and may require a garbage collection service contract.
    • Submitting a public-utility request with applicable fees does not guarantee approval.
    • Webb County will not issue certificates of compliance or similar authorizations for public utility connections until the Floodplain Administrator approves the structure or development under the Webb County Flood Damage Prevention Order and other applicable federal, state, or local law.
    • A garbage collection service contract is required for all waste-producing facilities.
    • Requests are subject to on-site inspection; no permit or authorization is issued until required inspections are performed.
    “NOTICE: Submitting a request for public utilities with applicable fees Does Not guarantee approval.”
  • 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

  • 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.”
  • 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.”
  • 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.”
  • county building authorityLimited

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

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

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

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

Still unanswered

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

  • Owner-builder exemption — Owner-builder exemptions from Webb County building-permit, inspection, or related construction requirements.
  • Certificate of occupancy — Certificates of occupancy for buildings or structures in Webb County.
  • Local zoning — Aggregate local-zoning status across Webb County municipalities and unincorporated areas.
  • Well permit — Private water wells in Webb County, Texas.
  • 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). 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 Texas law gives zoning power only to certain counties, and Webb County has no zoning ordinance. 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.

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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How Webb compares in Texas

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