Bolthole Index

Cameron County, Texas

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

48Index Score / 100
#155 of 254 in Texas

Unincorporated Cameron County, Texas requires a building permit for development, with building codes and inspections applying to covered construction123. Cameron County administers zoning in a Padre Island area; we could not confirm a general countywide zoning ordinance4. Cameron County Environmental Health handles conventional septic applications, including those inside municipalities, where applicants first contact the local building department for clearance5.

At a glance

Building permit
Required for development and residential construction in unincorporated areas1
Zoning
County-administered zoning applies in a Padre Island area; general countywide zoning and the island zoning boundaries remain unconfirmed4
Septic permits
Cameron County Environmental Health handles conventional new-system and upgrade applications, including review or inspection by its designated representative56
RV / tiny home / manufactured home living
RV, tiny-home and manufactured-home occupancy rules remain unconfirmed; ask Building & Inspections about the parcel and proposed use47
Minimum home size / lot size / setbacks
County minimum home size, lot size and setbacks remain unconfirmed; ask Building & Inspections, especially for Padre Island land47
Owner-builder exemption
Texas has limited owner-performed trade-license exemptions, but no blanket Cameron County permit exemption was confirmed8
Septic 10-acre exemption
A statewide exemption may apply to a single dwelling on 10+ acres only with a qualified site evaluation, all system parts 100+ feet from property lines, on-site effluent disposal, no nuisance or groundwater pollution, and all other state conditions9
Septic soil difficulty
Only 27.7% of county soils are free of severe limits for a conventional drain field10

Who to call

Building permits

Cameron County Building & Inspections Division

Processing and issuing residential and commercial building permits, plan review, and code enforcement, including mechanical, plumbing, and electrical installations, for unincorporated Cameron County

(956) 247-3500

building@co.cameron.tx.us

1390 West Expressway 83, San Benito, TX 78586

Septic permits

Cameron County Environmental Health Department (Cameron County Public Health)

On-site sewage facility (septic) permits and probe letters, plus general sanitation and vector control, for unincorporated Cameron County

956-247-3685

health@co.cameron.tx.us

1390 W. Expressway 83, San Benito, Texas 78586

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 Cameron 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 Cameron County, Texas?

Cameron County requires a building permit for development in its unincorporated areas1. Covered structures must meet the minimum requirements of the ICC family of codes and the National Electrical Code; county rules also direct all building construction to comply with codes set by the Cameron County Fire Marshal211. Inspections occur during construction, including underground plumbing, foundation, nail pattern, framing, and insulation12. The final inspection comes when the structure is complete and utilities are ready for connection, with final septic approval required where applicable3. Texas exempts some owner-performed electrical, plumbing, and air-conditioning work from state trade licensing, but those limited exemptions are not a blanket exemption from Cameron County permits or inspections8. Inside Brownsville, Primera and South Padre Island, municipal building departments handle building permits131415. Cameron County Environmental Health still handles conventional septic applications inside municipalities; building clearance comes from the local building department5.

Who is the Cameron County building department, and how do you reach them?

The Cameron County Building & Inspections Division handles residential and commercial construction permits in unincorporated parts of the county7. The office is at 1390 West Expressway 83, San Benito, TX 78586, phone (956) 247-3500, email building@co.cameron.tx.us7. Cameron County's online portal accepts and tracks building-permit applications, inspection requests, platting applications, and payments16. Applications go to the Floodplain Administrator or Building Official on county forms and may require scaled plans and elevation or floodproofing information17. Published fees include a $25 application fee and a $75 plan-review fee, while residential construction and site-development charges vary with project size18. Septic matters go through the Cameron County Environmental Health Department at 1390 W. Expressway 83, San Benito, Texas 78586, phone 956-247-3685, email health@co.cameron.tx.us19.

Does Cameron County have zoning?

Cameron County administers zoning in a Padre Island area through its Padre Island Zoning Commission; that does not establish zoning throughout unincorporated Cameron County4. We could not confirm a general countywide zoning ordinance or the exact Padre Island zoning boundaries, map, district classifications and exceptions; ask Building & Inspections to identify the applicable zoning order before buying an island parcel47. Brownsville, Primera, Rancho Viejo and South Padre Island administer their own zoning inside municipal limits20212223. Municipal zoning does not replace Cameron County Environmental Health review of conventional septic applications5. For unincorporated land, county subdivision, building-code, septic and floodplain requirements remain separate from zoning24112526.

How do septic permits work in Cameron County?

Cameron County Public Health's Environmental Health Program administers local septic permits, inspections, enforcement, and subdivision-plat review, while TCEQ sets the statewide standards and county rules may also apply27. When sewer is unavailable for residential construction, the county requires a septic permit or probe letter from Environmental Health28. For a conventional new system or upgrade, first obtain clearance from the county Building Permit Department—or the local building department inside a municipality—then submit the soil report, site evaluation, system design, and completed OSSF checklist5. The $120 application fee is nonrefundable and subject to change; the permit is non-transferable and valid for one year5. Cameron County issues the permit letter after its designated representative reviews or inspects the new conventional system or upgrade29. Only 27.7% of county soils lack severe limits for a conventional drain field, so evaluate the site before fixing the system budget10.

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

We could not confirm whether unincorporated Cameron County allows residential RV occupancy, tiny homes, manufactured homes or temporary camping on a particular parcel; ask the Building & Inspections Division how the proposed unit and use will be classified7. For Padre Island land, also ask whether county zoning covers the parcel and request the applicable district rules; the confirmed zoning commission does not establish permission for any of these uses47. Development permits, construction codes and sanitation requirements still apply to covered projects in unincorporated Cameron County11130. Residential permit materials require a septic permit or probe letter from Environmental Health when sewer is unavailable31.

How do you build a home in Cameron County, step by step?

  1. Identify the building-permit authority: county development permits apply in unincorporated Cameron County, while Brownsville, Primera and South Padre Island issue their own building permits1131415.
  1. Resolve any subdivision or plat review before designing around a homesite or utility plan32.
  1. Submit the county forms to the Floodplain Administrator or Building Official; use the portal to submit and track the building-permit application, inspections, platting, and payments1617.
  1. Get the required water-and-sewer availability letter; if sewer is unavailable, obtain a septic permit or probe letter from Environmental Health31.
  1. Complete floodplain review and provide the plans, elevations, drainage information, and professional documentation applicable to the parcel26.
  1. Budget from the published fee schedule, which separates application, plan-review, construction, utility-connection, inspection, and site-development charges33.
  1. Schedule the required construction-stage inspections and the final inspection when the structure is complete and utilities are ready123.

What to check before you buy land in Cameron County

Confirm water, sewer, and utility availability before closing: residential permit materials require an availability letter, and utility service to subdivided land depends on county plat approval34. Only 27.7% of Cameron County soils lack severe limits for a conventional septic drain field, so a site evaluation can change the system and budget10. Development governed by Cameron County's floodplain regulations requires review through the Floodplain Administrator or Building Official, with applicable plans and elevation information26. If the parcel will be divided, resolve subdivision review before relying on the proposed homesite or utility plan24. A driveway connecting to a state highway requires the TxDOT process35. Typical property tax runs about 1.6%, with a median annual bill near $1,9463637. We could not confirm a county water-well permit rule, so ask the Building & Inspections Division which authority applies before planning a well7.

Watch-outs

  • Cameron County requires a building permit for development and residential construction in unincorporated areas1.
  • County-administered Padre Island zoning has unresolved boundaries and district rules; ask Building & Inspections to identify the zoning order for the parcel before assuming a proposed use is allowed47.
  • Utility service on an empty lot is conditional after building-permit approval, and subdivided land needs the required county plat approval before water or sewer service can connect34.
  • Texas has limited owner-performed trade-license exemptions, but we could not confirm a blanket Cameron County owner-builder exemption; ask the Building & Inspections Division before assuming self-performed work changes the permit requirement8.

Sources

  1. Flood Damage Prevention and Building Regulations Established by County Order, quoted and re-checked
  2. Department of Transportation - Cameron County, quoted and re-checked
  3. Cameron County Building Regulations, quoted and re-checked
  4. Public Meetings - Cameron County, quoted and re-checked
  5. Conventional On-Site Sewage Facility System Instructions, quoted and re-checked
  6. Conventional On-Site Sewage Facility System Instructions, quoted and re-checked
  7. Cameron County Building & Inspections Division (cameroncountytx.gov)
  8. Exemptions to Electrician Licensing (Texas statewide rule), quoted and re-checked
  9. Getting a Permit for an OSSF - Such as a Septic System (Texas statewide rule), quoted and re-checked
  10. 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
  11. Department of Transportation - Cameron County, quoted and re-checked
  12. Cameron County Flood Damage Prevention and Building Regulations, quoted and re-checked
  13. Brownsville: Required Documents for Residential Projects (Cameron County), quoted and re-checked
  14. Town of Primera: Building Permits – Official Site of the City of Primera (Cameron County), quoted and re-checked
  15. Town of South Padre Island: Code of Ordinances, Chapter 4, Sec. 4-1—Building permit required (Cameron County), quoted and re-checked
  16. cameroncountytx.gov, quoted and re-checked
  17. Department of Transportation - Cameron County, quoted and re-checked
  18. Cameron County Building Regulations, quoted and re-checked
  19. Cameron County Environmental Health Department (Cameron County Public Health) (cameroncountytx.gov)
  20. Brownsville: ARTICLE 4 - ZONING REGULATIONS; 4.3.1 - Residential Zoning Districts (Cameron County), quoted and re-checked
  21. Town of Primera: City Ordinance Page – Official Site of the City of Primera (Cameron County), quoted and re-checked
  22. Town of Rancho Viejo: Sec. 70-33. Districts and boundaries (Cameron County), quoted and re-checked
  23. Town of South Padre Island: Code of Ordinances, Chapter 20, Sec. 20-6—District A—Single Family Dwelling District (Cameron County), quoted and re-checked
  24. Department of Transportation - Cameron County, quoted and re-checked
  25. On-Site Sewage Facility (OSSF), quoted and re-checked
  26. Flood Damage Prevention and Building Regulations Established by County Order, quoted and re-checked
  27. On-Site Sewage Facility (OSSF), quoted and re-checked
  28. Requirements for Residential Construction Permit, quoted and re-checked
  29. Conventional On-Site Sewage System Instructions, quoted and re-checked
  30. cameroncountytx.gov, quoted and re-checked
  31. Requirements for Residential Construction Permit, quoted and re-checked
  32. Department of Transportation - Cameron County, quoted and re-checked
  33. Cameron County Building Regulations and Fee Schedule, quoted and re-checked
  34. Requirements for Residential Construction Permit List of Utility Companies, quoted and re-checked
  35. Section 4: Driveway Permits, Design, and Materials (Texas statewide rule), quoted and re-checked
  36. Effective property tax rate: Bolthole Index county data
  37. Median property tax bill: Bolthole Index county data

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

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Compared with neighboring counties

Unlike 5 of its 6 neighbors, Cameron County requires a building permit for a home.

RuleCameron CountyWillacy CountyHidalgo CountyKenedy CountyBrooks CountyKleberg CountyStarr County
Building permitRequiredLimitedRequiredNot requiredNot requiredNot requiredNot required
County zoningNoNoNoNoNoNoNo
Septic permitsCounty Env. Health Dept.County Permits Dept.County Env. Health Div.Kenedy CountyBrooks CountyCity of Kingsville Env. HealthStarr County

County locator

Cameron County in Texas

48
County map
Cameron County highlighted among the Texas counties · colored by Index score

How Cameron County scores

Seclusion30100% ev.
Self-Sufficiency2896% ev.
Admin Boringness5990% ev.
Durability59100% ev.
Property Autonomy71100% ev.
Carry Cost78100% 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 →

$207kTypical home
1.6%Property tax
$4,268Land / acre
25.6"Annual rain
20% of yrsSevere drought
23.3 / yr (+20.3)Mid-century 100°F days
33.3 daysMid-century dry spell
2.39" (+2.3%)Mid-century 1-day rain
1.34×Wildfire change factor
100%Forward climate coverage
$1,806Home insurance / yr
-2.9% / yrInsurance growth
0%Nonrenewal rate
county median (2+ published ZIPs)Insurance basis
1,680,541People within 2 hr
251,339Radius comparison (15 mi)
478.5People / sq mi
22.1%Federal land
100%Land at 15% slope or less
27.7%Soils rated "not limited" for septic (strict USDA rating)
123,489 acWorkable land screen
10.7%Wooded land
8.8 tonsBiomass / forest ac
74.9°FAvg temp

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Cities and towns in Cameron 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.

Not yet researched: Town of Bayview · Town of Combes · Harlingen · Town of Indian Lake · La Feria · Town of Laguna Vista · Los Fresnos · Town of Los Indios · Palm Valley · Port Isabel · Rio Hondo · San Benito · Town of Santa Rosa

Answers from the rulebook for Cameron County

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

Cameron County rules

  • Building permitRequired

    Development requiring a permit under Cameron County's Flood Damage Prevention and Building Regulations in unincorporated Cameron County.

    • The order states that the permit requirement applies to any development in the unincorporated areas.
    • Applications are presented to the Floodplain Administrator or Building Official on county forms and may require duplicate scaled plans showing location, dimensions, elevations, and flood-hazard-area placement.
    • Utility verification and other applicable county subdivision requirements may also apply.
    “Application for any development in the unincorporated areas of Cameron County will require a permit.”
  • Building code adoptedPartial

    Building construction and related code enforcement in unincorporated Cameron County.

    • All building construction must comply with codes set forth by the Cameron County Fire Marshal.
    • Infrastructure in the public right-of-way and required platting must instead comply with Cameron County Subdivision Rules & Regulations.
    • The regulation separately adopts the 2015 International Fuel Gas Code, including appendices, for the County.
    “All building construction shall comply with the codes set forth by the Cameron County Fire Marshal.”
    One more reviewed finding on this topic
    • Adopted (with conditions) — Structures subject to Cameron County building regulations in unincorporated areas.
      “To assure the citizens of Cameron County the reduction of loss due to flooding, high winds, and hurricanes, this order requires the structures to be in compliance with minimum requirements of the ICC Family of Codes and the National Electrical Code.”
  • InspectionsRequired

    Work covered by a permit required by the county Flood Damage Prevention and Building Regulations.

    • Inspections conform to minimum Federal, State, and Local Code requirements.
    • The cited county order identifies intervals including underground plumbing, foundation, nail pattern, frame, insulation, and final inspections.
    • For work covered by a required permit, the Building Official or designee inspects during and after completion.
    “A designee of the County Engineer shall perform such inspection pursuant to this order. Inspections shall conform to minimum requirements of Federal, State, and Local Codes. Inspections are conducted at various intervals, underground plumbing, foundation, nail pattern, frame (plumbing, electrical, mechanical), insulation, and final.”
    One more reviewed finding on this topic
    • Required — Final inspection for permitted building construction in unincorporated Cameron County.
      “Final Inspection: the structure is at 100% completion and utility services are ready to be connected, including the sanitary sewer, septic system with final approval by the health department, and water wells.”
  • Local zoningPresent (with conditions)

    Zoning administered by Cameron County for the Padre Island area; the exact regulated boundaries and operative district regulations were not fully resolved.

    • The official county page identifies a Padre Island Zoning Commission and lists its special meetings.
    • This claim does not extend county zoning to all unincorporated Cameron County.
    • The exact Padre Island boundaries, zoning map, district classifications, and applicable exceptions require review of the county subdivision-rules zoning order.
    “Padre Island Zoning Commission Special Meeting – Nov 15th, 2023 at 2:00 p.m. Special Meeting – May 31st, 2023 at 2:00 p.m. Special Meeting – July 18th, 2018 at 2:00 p.m.”
    2 more reviewed findings on this topic
    • Present (with conditions) — Cameron County-administered zoning on or associated with Padre Island; the exact boundaries, zoning districts, and currently effective amendments were not established by the opened page.
      “Padre Island Zoning Commission Special Meeting – Nov 15th, 2023 at 2:00 p.m. Special Meeting – May 31st, 2023 at 2:00 p.m. Special Meeting – July 18th, 2018 at 2:00 p.m.”
    • Present (with conditions) — The Padre Island area administered through the Cameron County Padre Island Zoning Commission.
      “Padre Island Zoning Commission Special Meeting – Nov 15th, 2023 at 2:00 p.m. Special Meeting – May 31st, 2023 at 2:00 p.m. Special Meeting – July 18th, 2018 at 2:00 p.m.”
  • Who permits septicMixed (with conditions)

    On-site sewage facilities in Cameron County.

    • Cameron County Environmental Health administers local permitting, inspections, enforcement, and subdivision-plat review.
    • The county page states that applicable state and county guidelines apply and identifies TCEQ as setting statewide standards.
    “The On-Site Sewage Facilities Septic Systems component is responsible for enforcing regulations, authorizing permits, conducting inspections, and investigating complaints related to on-site sewage systems. Additionally, this component reviews subdivision plats to ensure compliance with state OSSF requirements.”
    One more reviewed finding on this topic
    • County (with conditions) — On-site sewage systems administered by Cameron County Public Health's Environmental Health Program.
      “The On-Site Sewage Facilities Septic Systems component is responsible for enforcing regulations, authorizing permits, conducting inspections, and investigating complaints related to on-site sewage systems.”
  • Septic permitLimited

    Conventional OSSF applications in Cameron County, including new systems and upgrades submitted to the Cameron County Public Health Environmental Health Program.

    • A clearance letter must be obtained from the Cameron County Building Permit Department; if the property is located within a municipality, the applicant must contact the local building department.
    • The application requires a soil report, site evaluation, system design, and completed OSSF checklist.
    • The county instructions state that the permit letter is issued only after review/inspection by the Designated Representative.
    • The instructions list a $120.00 non-refundable OSSF permit application fee, state that fees are subject to change, and state that the permit is non-transferable and valid for one year.
    • This source establishes the requirement for the described conventional new-system or upgrade applications, not every possible OSSF context.

    OSSF permit application fee: 120 USD (Non-refundable; fees subject to change) · permit validity: 1 year (Permit is non-transferable)

    “application for any new OSSF or upgrade permit.”
    One more reviewed finding on this topic
    • Required — Residential construction where sewer service is unavailable in unincorporated Cameron County.
      “If Sewer not available need to obtain Septic tank permit or Probe Letter through Environmental Health Department”
  • Septic inspectionLimited

    Review/inspection by Cameron County's Designated Representative for conventional OSSF applications involving a new system or upgrade permit.

    • The county's instructions tie the review/inspection language to issuance of the OSSF permit letter for the described conventional-system application.
    • The county Public Health page separately states that its septic component conducts inspections and that follow-up inspections occur when necessary after complaint investigations; these materials do not establish a mandatory inspection for every existing OSSF.
    “OSSF Permit letter will be issued after it has been review/inspected by the Designated Representative”
    One more reviewed finding on this topic
    • Required — New conventional OSSF and OSSF upgrades for which Cameron County Environmental Health issues a permit letter.
      “OSSF Permit letter will be issued after it has been review/inspected by the Designated Representative, at which time you will be contacted to advise permit is ready for pickup.”
  • Off-grid sanitationLimited

    On-site or off-grid sewage disposal for development in unincorporated Cameron County.

    • Septic tanks are recognized as one of the alternatives for satisfying sewer-facility verification.
    • Private sewage facilities must comply with Chapter 366, Health and Safety Code, the Construction Standards for On-Site Sewerage Facilities, and other applicable law and rules.
    • The county requires documentation of availability rather than establishing an unrestricted sanitation exemption.
    “Sewer Facilities – Documentation of the availability of either septic tanks or an organized sewage disposal system”
  • Mandatory utility hookupConditional

    Utility service for residential construction and subdivided land in unincorporated Cameron County.

    • Residential permit materials require a water and sewer availability letter.
    • If sewer is unavailable, a septic tank permit or probe letter is required.
    • For an empty lot after an approved building-permit application, only one utility, water or electricity, is allowed.
    • A utility may not serve or connect subdivided land unless the Commissioners Court has issued the required plat certificate or determination.
    “Only one utility, water or electricity, will be allowed on an empty lot after a building permit application has been submitted and approved by Cameron County. [...] Note, a utility may not serve or connect any subdivided land with water or sewer services unless the utility receives a certificate issued by the Commissioners Court or receives a determination from the Commissioners Court that the plat has been reviewed and approved by the Commissioners Court.”
    One more reviewed finding on this topic
  • Subdividing landRegulated (with conditions)

    Subdivision platting and development in unincorporated Cameron County.

    • Applications may require preliminary plat, subdivision construction, final plat, variance request, deed, developer authorization, title documentation, and application fees.
    • A preliminary plat and subdivision construction are marked not required for a Landholding Plat.
    “Our vision is to continue to review and approve plats, plans, and specifications while simultaneously enforcing Chapter 232 of the Texas Local Government Code, the Model Subdivision Rules as adopted by the Texas Water Development Board, and the Subdivision Rules and Regulations as adopted by Cameron County.”
    One more reviewed finding on this topic
    • Regulated (with conditions) — Subdivisions and platting subject to the Cameron County Department of Transportation's subdivision program.
      “Vision: Our vision is to continue to review and approve plats, plans, and specifications while simultaneously enforcing Chapter 232 of the Texas Local Government Code, the Model Subdivision Rules as adopted by the Texas Water Development Board, and the Subdivision Rules and Regulations as adopted by Cameron County.”
  • Building in a floodplainRequired

    Development in flood-hazard areas and other development governed by Cameron County's Flood Damage Prevention and Building Regulations in unincorporated Cameron County.

    • The regulations apply to all unincorporated areas of Cameron County.
    • A building permit is required for development governed by the order.
    • In flood-prone or flood-hazard areas, new construction and substantial improvements must satisfy elevation, anchoring, flood-damage-minimization, utility, and on-site waste-disposal requirements.
    • Where no regulatory floodway has been designated, new construction, substantial improvements, or other development including fill in Zones A1-30 and AE may proceed only if the cumulative effect will not increase base-flood water-surface elevation by more than one foot, unless the federal Section 65.12 procedure is completed for qualifying development.
    • The order adopts by reference the FEMA Flood Insurance Study for Cameron County, Texas, and Incorporated Areas dated February 16, 2018, with accompanying FIRM and FBFM maps and revisions.

    minimum finished-floor elevation in flood-prone or flood-hazard areas: 12 inches above BFE or FIRM depth number, or 24 inches above highest adjacent natural grade, whichever is higher · maximum permitted cumulative base-flood water-surface increase in Zones A1-30 and AE where no regulatory floodway is designated: <= 1 foot (unless the Section 65.12 procedure is completed)

    “A Building Permit shall be required to insure conformity with the provisions of this order in connection with any development in the area governed by this order.”
  • Permit feesPublished (with conditions)

    Cameron County building, inspection, utility-connection, and site-development fees for the county's unincorporated-area building and development program.

    • Residential new-construction fees vary by square footage: less than 500 square feet is $65.00; 500–1,000 square feet is $0.195 per square foot; 1,000–5,000 square feet is $65.00 plus $0.13 per square foot; 5,000–10,000 square feet is $390.00 plus $0.065 per square foot; more than 10,000 square feet is $715.00 plus $0.0325 per square foot.
    • Other listed fees include a $25.00 application fee, $75.00 plan-review fee, residential utility connections at $50.00, non-residential or multifamily utility connections at $75.00, and failed-inspection reinspection fees of $75.00 residential or $100.00 non-residential/multifamily.
    • Site-development fees are $50.00 plus $0.075 per square foot of disturbed area for less than one acre, or $3,000.00 plus $0.005 per square foot for one acre or more.
    • The regulation also states that other fees may apply, including renewal, refund, after-hours, third-party-inspection, and enforcement-related charges.

    residential new construction fee under 500 square feet: 65 USD · residential new construction fee between 500 and 1000 square feet: 0.195 x sf USD · application fee: 25 USD (per application) · plan review fee: 75 USD (per plan set) · residential utility connection fee: 50 USD · non-residential or multifamily utility connection fee: 75 USD · site development fee under 1 acre: 50 USD (plus $0.075 per square foot of disturbed area) · site development fee 1 acre or more: 3000 USD (plus $0.005 per square foot of disturbed area)

    “1. Application Fee $25.00 per application 2. Plan Review Fee $75.00 per plan set”
    One more reviewed finding on this topic
    • Published (with conditions) — Cameron County building and site-development permits.
      “Where the total area is less then 1 acre the fee shall be $50.00 plus $0.075 per square foot of disturbed area.”
  • Permit processPublished (with conditions)

    County building-permit application, inspection, platting, and payment-processing procedures for unincorporated Cameron County.

    • The county portal supports submitting and tracking building permit applications, inspections, platting applications, and payment processing.
    • The order requires applications to be submitted to the Floodplain Administrator or Building Official on county forms.
    • The applicant may need to provide duplicate scaled plans, elevations, floodproofing information, professional certification for nonresidential floodproofed structures, and information about altered or relocated watercourses or natural drainage.
    “The County’s online portal for submitting and tracking building permit applications, inspections, platting applications, and payment processing.”
    One more reviewed finding on this topic
    • Published (with conditions) — County building-permit, inspection, platting, and payment processing.
      “The County’s online portal for submitting and tracking building permit applications, inspections, platting applications, and payment processing.”
  • County-wide zoningAbsent

    Texas counties lack general zoning authority in unincorporated areas; Cameron County regulates via building/subdivision rules rather than a zoning ordinance.

    Cameron County Department of Transportation ↗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 access driveways connecting property to a Texas state highway right of way.

    • A local public agency may receive access driveway permitting authority for state highways, but TxDOT approval remains required for drainage impacts on the state highway system before local approval.
    • No access driveway is permitted within a flared or widened right-of-way section at an intersection of a state highway with another highway, road, or street.
    • All entrances and exits, including radii, must be confined within the permittee's property frontage.
    • One-way 45-to-90-degree driveways are permitted for connections to one-way frontage roads or lane-divided highways; otherwise the driveway angle must be 75 to 90 degrees.
    • ADAAG and Texas Accessibility Standards apply.

    private residential driveway maximum width: <= 24 feet (Except as increased by permissible radii.) · driveway-to-pavement radius: >= 15 feet

    “A driveway must be constructed in accordance with a fully executed driveway permit”
  • 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.

  • Certificate of occupancy — Certificate-of-occupancy requirements in unincorporated Cameron County.
  • Agricultural exemption — Agricultural exemptions from Cameron County subdivision, platting, or development requirements.
  • Short-term rentals — Short-term rental regulation in Cameron County.

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

Living off-grid in Cameron County, Texas

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

Cameron County scores 48/100 on the Bolthole Index, a solid county profile. Its strengths: manageable long-term carry cost and a stronger property-autonomy legal backdrop. Watch-outs: workable self-sufficiency basics (25.6″/yr rainfall) and about 251,339 people within 15 miles.

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

Cameron County generally requires a residential building permit, and it has no county-wide zoning. Onsite septic is permitted by Cameron County Environmental Health Department (OSSF). 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.

How much does land cost in Cameron County, Texas?

Land in Cameron County runs about $4,268 per acre, based on the latest county data.

What is the water situation in Cameron County?

Cameron County gets about 25.6" of rain a year, with severe drought in roughly 20% of years.

How remote is Cameron County?

A typical private-land location has about 251,339 people within 15 miles and 3,217,961 within 100 miles. These radius catchments are the published fallback where road routing is unavailable.

How Cameron compares in Texas

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