Bolthole Index

Franklin County, Texas

Building permits, zoning and septic rules in Franklin County, Texas

76Index Score / 100
#25 of 254 in Texas

Unincorporated Franklin County, Texas does not require a general building permit, and the county has no zoning ordinance, so there is no county-set minimum lot size, setback, or building-height rule on unincorporated land123. Septic is different: Franklin County administers OSSF permits and inspections through its Septic Inspector and Designated Representative45. New plats and replats still go through two readings before the Commissioners Court6.

At a glance

Building permit
Not required in unincorporated Franklin County1
Zoning
No zoning ordinance2
Setbacks, lot size, height
None set by the county; Texas gives Franklin County no general zoning power3
RVs, tiny homes, manufactured homes
Unrestricted by county zoning, since the county has no zoning authority3
Septic permits
Franklin County Septic Inspector; $375 residential, $550 commercial78
Plats and subdivisions
Regulated: two readings before the Commissioners Court6
Well permits
No state permit unless the parcel is in a groundwater conservation district9

Who to call

Septic permits

Franklin County Septic Inspector & Designated Representative

On-site sewage facility (OSSF/septic) permits and inspections for Franklin County

(903) 537-8346

204 Texas HWY 37, Mount Vernon, TX 75457

Also useful

Franklin County Judge's Office

General county government contact and Commissioners Court business, including plat and replat approval; there is no separate county building or zoning department

903-537-4252

200 N. Kaufman Street, Mount Vernon, TX 75457

Contact details are copied from each office’s official page and were checked against it on September 29, 2026.

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

No. Franklin County's own website lists no building, permit, inspection, or code-enforcement department; only a Septic Inspector and Fire Marshal appear among its offices1. Texas law generally does not give counties authority to require a general building permit in unincorporated areas; the limited exceptions are fire-code permits, available only to a county with a population over 250,000 (or adjacent to one) and covering only commercial buildings, public buildings, and multifamily buildings of four or more units, plus optional residential standards a county may adopt within 50 miles of an international border10. Franklin County, with a population of about 10,735, isn't close to that fire-code population threshold, and no adoption of either limited program was confirmed111. No official Franklin County source addresses an owner-builder exemption, which follows from there being no general building permit program for such an exemption to apply to12.

Who do you call about building and land rules in Franklin County?

No dedicated building or zoning office exists to call in Franklin County12. For general county government matters, including plats and subdivisions handled by the Commissioners Court, start with the County Judge's Office at 903-537-4252, 200 N. Kaufman Street in Mount Vernon13. For septic, the county's own Septic Inspector & Designated Representative handles permits and inspections at (903) 537-8346, 204 Texas HWY 37 in Mount Vernon14.

Does Franklin County have zoning?

No. Franklin County has no planning or zoning office and no general zoning ordinance for unincorporated land2. Texas law gives counties zoning power only in narrowly defined circumstances, such as parts of Padre Island in Cameron or Willacy County, the Amistad Recreation Area, certain military zones, and a handful of named lakes; Franklin County doesn't fall into any of these categories15. Because the county has no zoning authority over unincorporated land, there is no county-set minimum lot size, setback, lot-coverage limit, or building-height rule, and no zoning-based restriction on RVs, tiny homes, manufactured homes, accessory dwellings, or temporary camping3. Subdivided land is still regulated even without zoning: new plats and replats must go through two readings before the Commissioners Court, submitted as a single page with signatures, drawing, and field notes, and advertised in the newspaper twice before the first reading6.

How do septic permits work in Franklin County?

Franklin County administers on-site sewage facility permits through its Septic Inspector and Designated Representative under the county's adopted OSSF rules and applicable TCEQ requirements4. The county publishes an application and checklist, but it does not publish the complete review, approval, inspection, and issuance sequence on that page, so ask the Septic Inspector what to submit and when to schedule inspection1614. A permit and approved plan are generally required before covered OSSF work, and the county's designated representative inspects installations175. Published fees are $375 for a residential system and $550 for a commercial one8. Only about 5.3% of Franklin County's soils have no severe limitations for a conventional drain field, so establish system feasibility before choosing a homesite18. The conditional 10-acre exemption requires every listed condition, including a licensed site evaluation and at least 100 feet between every OSSF part and the property line, and it does not override a local permit requirement19.

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

Yes, as far as zoning goes: because Franklin County has no zoning authority over unincorporated land, there is no county zoning rule restricting RV, tiny-home, or manufactured-home occupancy on your own unincorporated parcel3. This covers zoning only, not utilities: if you add plumbing or a septic system for an RV, tiny home, or manufactured home, that system still needs its own OSSF permit from the county's Septic Inspector7. A private well for the same unit may also need a permit if the parcel sits inside a groundwater conservation district; this research did not confirm whether any particular Franklin County parcel falls within one9.

Building on land in Franklin County: the steps, in order

  1. Confirm your parcel is outside any Franklin County town, where separate municipal building and zoning rules may apply2.
  2. If you're subdividing or platting land, plan for two readings before the Commissioners Court, with the plat submitted as a single page carrying signatures, drawing, and field notes6.
  3. Ask the Septic Inspector for the county's OSSF application and checklist, confirm the submission sequence, and arrange the required installation inspection16514.
  4. Establish septic feasibility early because only about 5.3% of the county's soils lack severe limitations for a conventional drain field18.
  5. Ask the county's Emergency Management Coordinator about floodplain activity before placing improvements; Franklin County uses local flood-risk maps and monitors new development, but no operative permit procedure was confirmed20.
  6. Check whether your parcel sits within a groundwater conservation district before drilling a well9.
  7. If your driveway will connect to a state highway, submit TxDOT Form 1058 and give 24-hour notice before right-of-way construction21.

What to check before you buy land in Franklin County

Test the soil for septic suitability before you commit: only about 5.3% of Franklin County's soils carry no severe limitations for a conventional drain field18. Ask the Emergency Management Coordinator to check the county's locally generated flood-risk maps before choosing a building site; Franklin County monitors new development for floodplain activity, but no operative county floodplain permit procedure was confirmed20. Confirm the parcel is outside any Franklin County town, since municipal zoning and building rules may apply there2. If the parcel was previously subdivided, check that the plat completed the Commissioners Court process6. Also verify well jurisdiction and access: a groundwater conservation district may regulate a well, while a driveway connecting to a state highway requires a TxDOT permit922. Property tax runs near 0.9%, with a median annual bill around $1,9442324.

Watch-outs

  • No county building or zoning department exists in Franklin County; call the County Judge's Office for anything unusual rather than assuming no rule applies131.
  • Franklin County's zoning-free status applies to unincorporated land only; check separately with any town if your parcel is inside its limits2.
  • Franklin County tracks floodplain activity with locally generated maps, but we could not confirm an operative county floodplain permit procedure; ask the Emergency Management Coordinator before building20.

Sources

  1. Franklin County Government (2026 county census)
  2. Franklin County Government (2026 county census)
  3. Texas law on county zoning and building authority
  4. Franklin County Texas — Septic Inspector & Designated Representative, quoted and re-checked
  5. Franklin County Texas — Septic Inspector & Designated Representative, quoted and re-checked
  6. Plat Information — Plat and Replat Procedures, quoted and re-checked
  7. Franklin County Texas — Septic Inspector & Designated Representative (2026 county census)
  8. Septic Inspector & Designated Representative, quoted and re-checked
  9. Groundwater Regulation for Private Well Owners, quoted and re-checked
  10. Local Government Code Chapter 233, County Regulation of Housing and Other Structures (Texas statewide rule), quoted and re-checked
  11. County population: Bolthole Index county data
  12. (2026 county census)
  13. Franklin County Judge's Office (co.franklin.tx.us)
  14. Franklin County Septic Inspector & Designated Representative (co.franklin.tx.us)
  15. Local Government Code Chapter 231, County Zoning Authority (Texas statewide rule), quoted and re-checked
  16. Septic Inspector & Designated Representative, quoted and re-checked
  17. Franklin County Texas — Septic Inspector & Designated Representative, quoted and re-checked
  18. Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
  19. Getting a Permit for an OSSF - Such as a Septic System, quoted and re-checked
  20. Franklin County Hazard Mitigation Action Plan Update 2023, quoted and re-checked
  21. Section 4: Driveway Permits, Design, and Materials (Texas statewide rule), quoted and re-checked
  22. Section 4: Driveway Permits, Design, and Materials (Texas statewide rule), quoted and re-checked
  23. Effective property tax rate: Bolthole Index county data
  24. Median property tax bill: Bolthole Index county data

Written September 29, 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

Franklin County in Texas

76
County map
Franklin County highlighted among the Texas counties · colored by Index score

How Franklin County scores

Seclusion60100% ev.
Self-Sufficiency63100% ev.
Admin Boringness8290% ev.
Durability48100% ev.
Property Autonomy71100% ev.
Carry Cost70100% ev.

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

$325kTypical home
0.9%Property tax
$4,816Land / acre
47.1"Annual rain
16.4% of yrsSevere drought
29.6 / yr (+22.1)Mid-century 100°F days
21.3 daysMid-century dry spell
2.51" (+4.8%)Mid-century 1-day rain
1.42×Wildfire change factor
100%Forward climate coverage
$2,749Home insurance / yr
1.3% / yrInsurance growth
0%Nonrenewal rate
county median (2+ published ZIPs)Insurance basis
9,537People within 30 min
4,789,361People within 2 hr
28,647Radius comparison (15 mi)
37.7People / sq mi
0%Federal land
92.6%Land at 15% slope or less
5.3%Septic soil without severe limits
9,406 acWorkable land screen
41.5%Wooded land
36.2 tonsBiomass / forest ac
64.5°FAvg temp

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Answers from the rulebook for Franklin County

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

Franklin County rules

  • Zoning districts · by state lawNo county rule

    Unincorporated Franklin County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Franklin County has no zoning ordinance. The county legal census found no county zoning ordinance, citing co.franklin.tx.us.

    • 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 Franklin County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Franklin County has no zoning ordinance. The county legal census found no county zoning ordinance, citing co.franklin.tx.us.

    • 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 Franklin County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Franklin County has no zoning ordinance. The county legal census found no county zoning ordinance, citing co.franklin.tx.us.

    • 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 Franklin County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Franklin County has no zoning ordinance. The county legal census found no county zoning ordinance, citing co.franklin.tx.us.

    • 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 Franklin County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Franklin County has no zoning ordinance. The county legal census found no county zoning ordinance, citing co.franklin.tx.us.

    • 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 Franklin County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Franklin County has no zoning ordinance. The county legal census found no county zoning ordinance, citing co.franklin.tx.us.

    • 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 Franklin County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Franklin County has no zoning ordinance. The county legal census found no county zoning ordinance, citing co.franklin.tx.us.

    • 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 Franklin County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Franklin County has no zoning ordinance. The county legal census found no county zoning ordinance, citing co.franklin.tx.us.

    • 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 Franklin County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Franklin County has no zoning ordinance. The county legal census found no county zoning ordinance, citing co.franklin.tx.us.

    • 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 Franklin County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Franklin County has no zoning ordinance. The county legal census found no county zoning ordinance, citing co.franklin.tx.us.

    • 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 Franklin County: no county rule sets this, because Texas law gives zoning power only to certain counties, and Franklin County has no zoning ordinance. The county legal census found no county zoning ordinance, citing co.franklin.tx.us.

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

    On-site sewage facility administration in Franklin County, Texas.

    • The county page identifies a Septic Inspector and Designated Representative and links Franklin County OSSF rules and permit materials.
    • Local OSSF authority operates under the county's adopted OSSF rules and applicable TCEQ requirements.
    “Septic Inspector & Designated Representative [...] Order Adopting Rules of Franklin County, Texas for On-Site Sewage Facilities”
  • Septic permitRequired

    Construction, installation, alteration, repair, extension, and operation of an OSSF in Franklin County, including residential and commercial systems.

    • A permit and approved plan are generally required before the covered OSSF work.
    • A permit may be exempted under the 10-acre rule only if all stated conditions are met: TCEQ-licensed site evaluation or professional engineer; single-family dwelling on a tract of at least 10 acres; no nuisance or groundwater pollution; all OSSF parts at least 100 feet from the property line; effluent disposed of on the property; and the single-family dwelling is the only dwelling on the tract.
    • Emergency repairs listed by TCEQ are exempt from prior permitting but must be reported in writing to the permitting authority within 72 hours after repairs begin.
    • Grandfathered systems may be treated differently if installed before the local authorized program or before September 1, 1989, whichever is earlier, and if they are not creating a nuisance, do not need repair, and have not had a significant increase in use or otherwise been altered.
    • Franklin County's page lists residential fees of $375.00 and commercial fees of $550.00; the page also links a public notice for new permit fees.

    residential permit fee: 375 USD · commercial permit fee: 550 USD · 10-acre exemption tract size: >= 10 acres (All other exemption conditions must also be met.) · minimum OSSF distance from property line under 10-acre exemption: >= 100 feet (All other exemption conditions must also be met.) · emergency-repair reporting deadline: <= 72 hours (Measured after repairs have begun.)

    “A permit and approved plan are required to [...] operate an OSSF.”
  • Septic inspectionRequired

    Inspection of OSSF installations and related permitted OSSF work within Franklin County.

    • The county's designated representative performs the local OSSF inspection function.
    • Inspection requirements may be supplemented by the Franklin County OSSF order and any more stringent local requirements.
    • Maintenance-provider inspections and complaint investigations can impose additional obligations depending on system type and local requirements.
    “responsibilities, which include [...] issuing permits; and inspecting system installation.”
  • Subdividing landRegulated (with conditions)

    New plats and replats processed through Franklin County, including county subdivision approval procedures.

    • The county page states that all new plats and replats must receive two readings before the Franklin County Commissioner’s Court.
    • The plat must be one page with signatures, drawing, and field notes; two-page plats are not accepted.
    • At least four copies must be given to the County Clerk, with signatures executed beforehand; Franklin County Water District signatures are required if applicable.
    • For applicable replats, an HOA or property-owner association letter or approval signature is required; affected lienholders must sign off, or a no-lienholder statement must be supplied.
    • Two consecutive newspaper advertisements are required before the first reading, with the specified publication timing and both court dates and times printed.
    • Before the second reading, an affidavit of publication and tax certificate must be presented; if submitted after September 1, a current-year tax receipt is also required.
    • The applicant or designated representative must appear at both readings; no action is taken if no one is present.
    • The page identifies the procedures as revised 02/26/2024 to update newspaper information.

    required readings: 2 readings · copies submitted: >= 4 copies (Signatures must be executed before delivery to the County Clerk.) · court schedule: 2nd and 4th Mondays (If a holiday occurs, the court moves to the next business day.)

    “All new plats and replats must go through two readings with the Franklin County Commissioner’s Court. We do not accept 2 page plats. All information must be on one page including signatures, drawing, and field notes.”
  • Building in a floodplainLimited

    New development and floodplain activity in unincorporated Franklin County, Texas.

    • Franklin County uses locally generated maps to track areas at risk for flooding.
    • The county monitors new development to ensure building codes are adhered to.
    • The Emergency Management Coordinator is designated to monitor floodplain activity.
    • The county has not been mapped by FEMA.
    • The plan states that Franklin County passed a resolution on May 22, 2000 to participate in the National Flood Insurance Program.
    “the county monitors new development to ensure that building codes are adhered to. The county has not been mapped by FEMA.”
  • Permit feesPublished

    Franklin County on-site sewage facility permits.

    • The page lists residential and commercial OSSF permit fees; it does not state an effective date on the page.

    residential permit fee: 375 USD · commercial permit fee: 550 USD

    “Permit Fees- Residential- $375.00 Commercial- $550.00”
  • Permit processPartial

    Franklin County on-site sewage facility permits.

    • The county page publishes an OSSF permit application and permit checklist, but the opened page does not state the complete review, approval, inspection, or issuance sequence.
    “On Site Septic Facility Permit Application On Site Septic Facility Permit Check List”
  • Building permitNot required

    Franklin County lists no building, permit, inspection, or code-enforcement department (only a Septic Inspector and Fire Marshal), and Texas counties generally lack authority to require building permits in unincorporated areas.

    Franklin County Government ↗Scouted from the county site, not yet independently re-checked

  • County-wide zoningAbsent

    No planning or zoning office is listed for Franklin County (subdivision rules exist but no general zoning), consistent with Texas counties lacking zoning authority over unincorporated land.

    Franklin County Government ↗Scouted from the county site, not yet independently re-checked

Texas rules that apply here

  • Building code adoptedPartial

    Industrialized housing and buildings, modules, and modular components governed by the Texas Industrialized Housing and Buildings program.

    • The mandatory state code adoption applies to industrialized housing and buildings, modules, and modular components, not all construction statewide.
    • The effective date is July 1, 2024.
    • The International Existing Building Code applies to alterations of portable industrialized buildings.
    • Manufacturers already certified for Texas must have design-package documents reviewed and approved to the new editions with an approval date on or after July 1, 2024, unless the manufacturer elected to transition before the effective date under Department rule 70.70(a)(5)(B).
    • Construction begun on or after July 1, 2024 must comply with the new code editions and approved design packages.
    • Construction begun before July 1, 2024, or before a manufacturer's effective transition date, must meet the stated completion, inspection, and labeling deadline to remain eligible for a Texas decal.

    effective date: 2024-07-01 · International Building Code: 2021 Edition (including appendices C, F, and K) · International Residential Code: 2021 Edition (including appendices AG, AH, AK, AP, AQ, and AT) · International Fuel Gas Code: 2021 Edition · International Mechanical Code: 2021 Edition · International Plumbing Code: 2021 Edition · International Energy Conservation Code: 2015 Edition · National Electrical Code: 2020 Edition · International Existing Building Code: 2021 Edition (for alterations of portable industrialized buildings)

    “July 1, 2024, all industrialized housing and buildings, modules, and modular components shall comply with the following codes, as amended in §70.101 of the IHB Rules:”
  • Off-grid sanitationLimited

    Off-grid domestic sanitation using an OSSF for a single-family dwelling on private property in Texas, including Franklin County where the local permitting authority accepts the exemption.

    • The OSSF must comply with all applicable planning, construction, and installation standards in 30 TAC Chapter 285.
    • The property must receive a site evaluation from a TCEQ-licensed site evaluator or professional engineer.
    • The system must serve a single-family dwelling on a tract of at least 10 acres.
    • The OSSF must not cause a nuisance or pollute groundwater.
    • All OSSF parts must be at least 100 feet from the property line.
    • Effluent must be disposed of on the property.
    • The single-family dwelling must be the only dwelling on the tract.
    • The exemption does not override a local permitting authority's requirement for a permit.

    minimum tract size: >= 10 acres (Single-family dwelling and all other listed conditions required.) · minimum OSSF distance from property line: >= 100 feet (All other listed conditions required.)

    “An OSSF may be exempt from permitting if [...] meets the “10 acre rule”:”
  • Well permitLimited

    Private water wells in Texas, including Franklin County, where local groundwater-conservation-district jurisdiction and applicable local rules must be checked.

    • Texas state agencies do not generally regulate groundwater production or use.
    • A groundwater conservation district may regulate groundwater production and may require permits for non-exempt wells.
    • Private well owners do not need state registration unless the property is within a groundwater conservation district.
    • A state water-well report is still required when a new well is drilled by a registered driller or landowner.
    • This research did not establish whether a specific Franklin County parcel lies within a groundwater conservation district.
    “Texas law authorizes groundwater conservation districts (GCDs) to [...] regulat[e] groundwater production through permitting of non-exempt water wells”
  • 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.”
  • 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 building permits, inspections, or occupancy requirements in Franklin County, including unincorporated areas
  • Inspections — Building inspections in Franklin County, including unincorporated areas
  • Certificate of occupancy — Certificates of occupancy in Franklin County, including unincorporated areas
  • Mandatory utility hookup — Water or sewer utility-connection requirements for property in Franklin County, including unincorporated areas.
  • Agricultural exemption — Agricultural exemptions affecting land-use or construction requirements in unincorporated Franklin County, Texas.
1 more unanswered
  • Short-term rentals

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 Franklin County, Texas

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

Franklin County scores 76/100 on the Bolthole Index, a strong county profile. Its strengths: low administrative friction for a quiet rural property and a stronger property-autonomy legal backdrop.

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

Franklin County does not require a county building permit for a home in unincorporated areas, and it has no county-wide zoning. Onsite septic is permitted by Franklin County Septic Inspector (TCEQ Authorized Agent / Designated Representative). 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 Franklin County?

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

Land in Franklin County runs about $4,816 per acre, based on the latest county data.

What is the water situation in Franklin County?

Franklin County gets about 47.1" of rain a year, with severe drought in roughly 16.4% of years.

How remote is Franklin County?

A representative private-land location has about 9,537 people within a 30-minute drive and 4,789,361 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 Franklin County means bringing your own water and power. The kit we’d start with:

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How Franklin compares in Texas

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