Bolthole Index

Marion County, Texas

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

80Index Score / 100
#19 of 254 in Texas

Unincorporated Marion County, Texas has no county building department, no county building-code enforcement and no zoning ordinance123. The City of Jefferson is separate and may set its own rules for land inside city limits3. Septic (OSSF) permits for every Marion County address come from the Northeast Texas Municipal Water District, which also covers Upshur, Morris and Cass counties4.

At a glance

Building permit
Not required in unincorporated Marion County1
Zoning
None; Texas gives the county no general zoning authority53
Septic permit
Through NETMWD; $360 single-family, $610 multi-family/commercial678
RV / tiny home / manufactured home living
No county zoning restriction on unincorporated land3
Minimum home size / setbacks
None set by the county3
Septic soils
Only about 12% of land is free of severe limits for a standard drainfield9
Property tax
About 0.8% effective rate; median bill around $870/yr1011

Who to call

Also useful

Marion County Courthouse

General Marion County administration (judge, commissioners court, clerk, treasurer, tax assessor); the county lists no building, planning, or zoning department

(903) 665-3261

Marion County Courthouse, 102 W. Austin, Jefferson, TX 75657

Septic permits

Northeast Texas Municipal Water District (NETMWD) - Onsite Septic Program

Issues and inspects on-site sewage facility (septic) permits for Marion, Upshur, Morris, and Cass counties

(903) 639-7538

4180 FM 250 South, Hughes Springs, TX 75656

Contact details are copied from each office’s official page and were checked against it on October 10, 2026.

Off-grid gear

Going off-grid in Marion 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 Marion County, Texas?

Unincorporated Marion County, Texas does not require a county building permit for an ordinary home1. The county's official site lists offices for elections, taxes, the clerk, the treasurer, and similar functions, but no building or permitting department12. Marion County's own hazard-mitigation plan says the county defers to the State of Texas on building codes and has no enforcement in place2. That is consistent with Texas law, which gives most counties no general building-permit authority over unincorporated land13. The one permit almost everyone here does need is septic, and Marion County contracts that out to the Northeast Texas Municipal Water District rather than handling it itself6.

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

Marion County has no building department: the county's own office list runs from the county judge and commissioners court through the clerk, treasurer, tax assessor, and sheriff, with nothing for building or zoning12. For general county business, the Marion County Courthouse is at 102 W. Austin in Jefferson, phone (903) 665-3261, open 8am to noon and 1pm to 5pm on weekdays12. Septic (OSSF) permits go to a different agency entirely: the Northeast Texas Municipal Water District at 4180 FM 250 South in Hughes Springs, (903) 639-753814. NETMWD is the designated representative for Marion County's OSSF program, administering state septic requirements locally615.

Does Marion County have zoning?

Marion County has no countywide zoning ordinance: Texas law gives counties zoning power only in a handful of narrow, named situations, and none of them reaches Marion County316. That means no county rule sets minimum lot size, setbacks, building height, or minimum dwelling size, and RV, tiny-home, and manufactured-home living on your own land is unrestricted by county zoning3. This answer covers unincorporated Marion County only; land inside an incorporated city such as Jefferson is a separate jurisdiction and isn't covered by this county-level answer3.

How do septic permits work in Marion County?

Septic (OSSF) permitting in Marion County goes through the Northeast Texas Municipal Water District, not the county or a health department64. Submit the application and planning materials to NETMWD; the permitting authority must approve or deny them within 30 days after receipt and explain a denial in writing17. A designated representative's duties can include reviewing plans, issuing permits, and inspecting system installation18. A single-family residence permit costs $360, while a multi-family or commercial permit costs $61078. A narrow state exemption may apply to a qualifying single-family home on 10 acres or more, subject to the full conditions19. Only about 12% of Marion County land is free of severe limitations for a conventional septic drainfield, so arrange a site evaluation early9.

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

Yes, as far as county zoning goes: Marion County has no zoning ordinance, so no county rule restricts RV, tiny-home, or manufactured-home occupancy on your own unincorporated land3. That's a zoning answer, not a septic answer — anyone living on the property still needs a permitted OSSF system through NETMWD, or a qualifying state exemption, for wastewater619. If your land is inside the City of Jefferson's limits rather than unincorporated Marion County, this county-level answer doesn't apply, and you'd need to check the city's own rules3.

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

  1. Confirm your land is in unincorporated Marion County and not inside the City of Jefferson, because the county zoning answer applies only outside incorporated cities3.
  2. Arrange a septic site evaluation early; only about 12% of Marion County land is free of severe limits for a conventional drainfield9.
  3. Submit the OSSF application, planning materials, and the $360 single-family fee to NETMWD; the permitting authority has 30 days after receipt to approve or deny the application177.
  4. If you will build or modify a driveway connecting to a state highway, obtain the required permit using Form 1058 before construction20.
  5. The home itself does not require a Marion County building permit on unincorporated land, but follow the approved septic plan and any installation inspection NETMWD requires118.

What to check before you buy land in Marion County

Water and septic go together here: Marion County gets about 50.1 inches of rain a year, but only about 12% of its soils are free of severe limits for a conventional septic drainfield, so arrange a site evaluation before fixing a house site219. Texas gives no state agency authority over private groundwater use; local groundwater conservation districts may require well permits, and land outside a district falls under the rule of capture, but we could not confirm whether all of Marion County lies in a district, so ask the courthouse before planning a well2212. Dividing a tract outside city limits to lay out lots, a subdivision or public streets requires a plat approved by the county commissioners court, though land used primarily for agricultural, ranch, wildlife-management or timber use can qualify for an exemption2324. We also could not confirm a county floodplain-development rule, so ask the courthouse about the parcel and review its flood exposure before buying12. A new or modified driveway onto a state highway requires a permit, while the cited rule does not establish a requirement for access only to a county or private road20. Marion County's effective property-tax rate is about 0.8%, and the median annual bill is about $8701011.

Watch-outs

  • Marion County shares its name with counties in several other states; confirm any source you read is for Marion County, Texas (area code 903, county seat Jefferson) before trusting it12.
  • NETMWD's OSSF program also covers Upshur, Morris, and Cass counties, so double-check that any septic form or fee schedule you're using is the version Marion County actually uses6.
  • This guide's zoning and building answers cover unincorporated Marion County; the City of Jefferson is a separate incorporated municipality that may set its own rules3.

Sources

  1. Marion County, Texas - Official County Website (2026 county census)
  2. 2024 Marion County Multi-Hazard Mitigation Plan Update, quoted and re-checked
  3. Texas law on county zoning and building authority
  4. Onsite Septic Program, quoted and re-checked
  5. Marion County, Texas - Official County Website (2026 county census)
  6. Northeast Texas Municipal Water District - Onsite Septic Program (2026 county census)
  7. Onsite Septic Program, quoted and re-checked
  8. Onsite Septic Program, quoted and re-checked
  9. 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
  10. Effective property tax rate: Bolthole Index county data
  11. Median property tax bill: Bolthole Index county data
  12. Marion County Courthouse (co.marion.tx.us)
  13. Local Government Code Chapter 233, County Regulation of Housing and Other Structures (Texas statewide rule), quoted and re-checked
  14. Northeast Texas Municipal Water District (NETMWD) - Onsite Septic Program (netmwd.com)
  15. Basics for Septic Systems, quoted and re-checked
  16. Local Government Code Chapter 231, County Zoning Authority (Texas statewide rule), quoted and re-checked
  17. Getting a Permit for an OSSF - Such as a Septic System, quoted and re-checked
  18. Basics for Septic Systems, quoted and re-checked
  19. Getting a Permit for an OSSF - Such as a Septic System (Texas statewide rule), quoted and re-checked
  20. Use of Right of Way by Others Manual, quoted and re-checked
  21. Annual precipitation: Bolthole Index county data
  22. Groundwater Regulation for Private Well Owners, quoted and re-checked
  23. Texas Local Government Code Chapter 232, County Regulation of Subdivisions, quoted and re-checked
  24. Texas Local Government Code Section 232.0015, Exceptions to Plat Requirement, quoted and re-checked

Written October 10, 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

Like all 6 of its neighbors, Marion County has no countywide zoning.

RuleMarion CountyHarrison CountyCass CountyMorris CountyUpshur CountyGregg CountyCamp County
Building permitNot requiredNot requiredNot requiredNot requiredLimitedNot requiredNot required
County zoningNoNoNoNoNoNoNo
Septic permitsNETMWDCounty Env. Health Dept.Cass CountyNETMWDNETMWDCounty Health Dept.County OSSF program

County locator

Marion County in Texas

80
County map
Marion County highlighted among the Texas counties · colored by Index score

How Marion County scores

Seclusion62100% ev.
Self-Sufficiency69100% ev.
Admin Boringness8290% ev.
Durability48100% ev.
Property Autonomy71100% ev.
Carry Cost8096% ev.

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

$155kTypical home
0.8%Property tax
$2,245Land / acre
50.1"Annual rain
18% of yrsSevere drought
30.7 / yr (+23.8)Mid-century 100°F days
20.7 daysMid-century dry spell
2.5" (+5%)Mid-century 1-day rain
1.42×Wildfire change factor
100%Forward climate coverage
$2,134Home insurance / yr
0.6% / yrInsurance growth
0%Nonrenewal rate
single ZIP shrunk to state medianInsurance basis
7,079People within 30 min
1,466,894People within 2 hr
18,832Radius comparison (15 mi)
25.1People / sq mi
9.7%Federal land
99.5%Land at 15% slope or less
12%Soils rated "not limited" for septic (strict USDA rating)
27,852 acWorkable land screen
79.2%Wooded land
39.8 tonsBiomass / forest ac
65.4°FAvg temp

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Cities and towns in Marion 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.

Answers from the rulebook for Marion County

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

Marion County rules

  • Building code adoptedNot adopted

    Countywide building-code adoption and enforcement by Marion County, including county-administered areas.

    • The plan states that the County defers to the State of Texas, which recommends the International Building Codes.
    • The source states that the County has no enforcement in place.
    • The City of Jefferson is separately listed in the same table as having adopted the 2000 International Building Codes; that municipal statement is not attributed to Marion County.

    recommended code family: ICC – International Building Codes (The source describes this as a State of Texas recommendation, not a county adoption.) · county enforcement: none

    “The County defers to the State of Texas, which recommends the International Building Codes. The County has no enforcement in place.”
  • Zoning districts · by state lawNo county rule

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

    The on-site sewage facility program for Marion County and the other counties listed by NETMWD.

    • NETMWD identifies itself as the TCEQ OSSF Designated Representative for Upshur, Morris, Marion, and Cass counties.
    “NETMWD serves as the Designated Representative to the TCEQ OSSF program for the following counties: UPSHUR, MORRIS, MARION, CASS”
  • Septic permitRequired

    Building a structure containing water-using devices, or repairing or replacing an existing septic system, in Marion County and the other counties served by NETMWD's designated-representative OSSF program.

    • NETMWD identifies Marion County as one of the counties for which it serves as the TCEQ OSSF Designated Representative.
    • A completed permit application and the appropriate fee must be submitted to NETMWD first for the described construction, repair, or replacement activity.
    • The page states that permit fees changed as of October 1, 2023.

    single family residence septic permit fee: 360 USD · multi-family/commercial septic permit fee: 610 USD · permit fee schedule change date: October 1, 2023

    “NETMWD serves as the Designated Representative to the TCEQ OSSF program for the following counties: UPSHUR, MORRIS, MARION, CASS If you are building a structure that will contain water using devices or are needing to repair or replace an existing septic system in these counties, you will need to submit a completed permit application and the appropriate fee to us first.”
    One more reviewed finding on this topic
    • Required — Construction of a structure containing water-using devices, or repair or replacement of an existing septic system, in Marion County where NETMWD administers the OSSF program.
      “If you are building a structure that will contain water using devices or are needing to repair or replace an existing septic system in these counties, you will need to submit a completed permit application and the appropriate fee to us first.”
  • Permit feesPublished (with conditions)

    OSSF/septic permit applications for multi-family or commercial uses in Marion County, where NETMWD administers the TCEQ OSSF program.

    • NETMWD states that it serves as the Designated Representative for Marion County and that applications for covered construction, repair, or replacement must be submitted with the appropriate fee first.
    • The fee schedule states that fees changed as of October 1, 2023.
    • TCEQ states that local permitting programs may be more stringent than state minimums.
    • TCEQ states that qualifying OSSF activities may be exempt from permitting only under specified conditions, including the 10-acre rule for a single-family dwelling; those conditions do not describe a general multi-family or commercial exemption.

    permit fee: 610 USD (Multi-Family/Commercial)

    “NETMWD serves as the Designated Representative to the TCEQ OSSF program for the following counties: UPSHUR, MORRIS, MARION, CASS [...] Septic Permit Fees for the above counties: Multi-Family/Commercial $610.00”
    One more reviewed finding on this topic
    • Published (with conditions) — OSSF/septic permit applications for a single-family residence in Marion County, where NETMWD administers the TCEQ OSSF program.
      “NETMWD serves as the Designated Representative to the TCEQ OSSF program for the following counties: UPSHUR, MORRIS, MARION, CASS [...] Septic Permit Fees for the above counties: Single Family Residence $360.00”
  • County-wide zoningAbsent

    Texas counties generally have no general zoning authority in unincorporated areas; Marion County's official site shows no zoning or planning department.

    Marion County, Texas - Official County Website ↗Scouted from the county site, not yet independently re-checked

Texas rules that apply here

  • Building permitLimited

    Industrialized housing or buildings installed in Texas, including purchasers or lessees acquiring a unit for their own or their company’s use.

    • A person purchasing or leasing an industrialized house or building for their own use or their company’s use may file for an installation permit instead of registering as an industrialized builder.
    • A person responsible for assembly, connection, and on-site construction for persons other than themselves must be registered as an industrialized builder.
    • Municipalities may require applicable local permits and licenses before construction begins when the municipality regulates the installation.
    “A person who is a retailer of industrialized housing or buildings, or who is responsible for the assembly, connection, and on-site construction and erection of an industrialized house or building for persons other than themselves, must be registered as an industrialized builder. Subcontractors do not require the registration unless required by other applicable state laws. For example, electricians, HVAC contractors, and plumbers must be licensed in accordance with the applicable state law. If you are purchasing or leasing an industrialized house or building for your own use, or your company's use, you may file for an installation permit in lieu of registering as an industrialized builder.”
  • Owner-builder exemptionConditional

    An individual building new residential construction in a county to which Texas Local Government Code Chapter 233, Subchapter F applies.

    • The county must have adopted a resolution or order requiring application of Chapter 233, Subchapter F.
    • The county must be within 50 miles of an international border or have a population of more than 100.
    • The construction must be new residential construction covered by Section 233.151, meaning a single-family house or duplex on a vacant lot, or an addition to an existing single-family house or duplex that increases square footage or value by more than 50 percent.
    • The individual must build the new residential construction or act as the individual's own contractor.
    • The individual must intend to use the residence as the individual's primary residence.
    • The exemption concerns the penalty for failing to provide notice under Sections 233.154(b) and (c); it does not eliminate applicable inspection or notice requirements.
    • The subchapter excludes structures constructed under Occupations Code Chapter 1201 and modular homes constructed under Occupations Code Chapter 1202.
    • For construction in a municipality's extraterritorial jurisdiction where the municipality has adopted a building code, that municipal building code controls.

    county population threshold: > 100 persons (Alternative eligibility exists for a county within 50 miles of an international border.) · international-border distance: <= 50 miles (Alternative eligibility exists for a county with a population of more than 100.)

    “An individual who fails to provide proper notice in accordance with Sections 233.154(b) and (c) is not subject to a penalty under this subsection if: (1) the new residential construction is built by the individual or the individual acts as the individual’s own contractor; and (2) the individual intends to use the residence as the individual’s primary residence.”
    2 more reviewed findings on this topic
    • Conditional — An owner performing electrical, plumbing, or air-conditioning and refrigeration work on the owner's own residence or homestead 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 as electricians.”
    • 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”
  • Septic inspectionRequired

    Construction inspection of OSSFs in Texas, including Marion County, when the state OSSF requirements apply

    • The installer must notify the permitting authority at least five working days before the OSSF will be ready for inspection.
    • The permitting authority shall conduct a construction inspection.
    • If the system fails, it cannot be used until it passes inspection; a reinspection fee may be assessed and must be paid before reinspection.
    • No planning materials, permit, or inspection is required for a single-family dwelling on a tract of at least 10 acres if the OSSF is not causing a nuisance or polluting groundwater, all parts are at least 100 feet from the property line, effluent is disposed of on the property, and the dwelling is the only dwelling on the tract.
    • Grandfathered systems and systems covered by the other listed exceptions are also exempt from the chapter’s permitting, operation, and installation requirements.

    inspection notice: >= 5 working days (Monday through Friday, excluding holidays) · inspection failure correction notice: 7 calendar days (The permitting authority issues a letter listing deficiencies and stating the OSSF cannot be used until it passes inspection)

    “The permitting authority shall conduct a construction inspection.”
    3 more reviewed findings on this topic
    • Limited — OSSF installation inspections administered by an authorized agent or designated representative where applicable in Marion County
      “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.”
    • Limited — OSSF installation and, where applicable, maintenance inspections in Texas
      “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.”
    • Limited — OSSFs using secondary treatment or drip irrigation in Texas.
      “A system using secondary treatment or drip irrigation must be inspected by a valid maintenance company once every four months, or be maintained by the single family homeowner, where allowed.”
  • Off-grid sanitationLimited

    Off-grid wastewater sanitation through an OSSF in Texas.

    • An OSSF generally requires a permit and approved plan before construction, installation, alteration, extension, repair, or operation.
    • A qualifying single-family dwelling on a tract of at least 10 acres may use the 10-acre permitting exemption only if every stated site-evaluation, setback, nuisance, groundwater, on-site disposal, and single-dwelling condition is met.
    • Local permitting authorities may impose requirements more stringent than state minimums.
    • Emergency repairs are exempt from permitting only for the listed repair types and must be reported in writing within 72 hours after repairs begin.

    10-acre exemption tract size: >= 10 acres (all TCEQ conditions must be satisfied) · 10-acre exemption OSSF setback: >= 100 feet from property line (all parts of the OSSF)

    “An OSSF may be exempt from permitting if it complies with all other requirements, including planning, construction, and installation standards of 30 TAC 285 AND meets the “10 acre rule”:”
    One more reviewed finding on this topic
    • Limited — Composting toilets used as on-site sewage facility treatment systems in Texas.
      “Composting toilets will be approved by the executive director provided the system has been tested and certified under NSF International Standard 41 (1999) or under any other standards approved by the executive director.”
  • 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.”
    One more reviewed finding on this topic
    • Limited — Private well drilling and groundwater production affecting property in Marion County.
      “State law does not provide any state agency with the authority to regulate the use or production of groundwater. Groundwater production and use is managed and regulated by local or regional groundwater conservation districts (GCDs). Areas that are not within a GCD are subject to the rule of capture that essentially provides that groundwater, once it has been captured by a well and produced to the surface, belongs to the landowner.”
  • Agricultural exemptionAvailable (with conditions)

    Division of a tract outside municipal limits in unincorporated Marion County when the land is used primarily for qualifying agricultural, farm, ranch, wildlife-management, or timber-production purposes.

    • The owner must divide the tract into two or more parts.
    • The owner must not lay out a street, alley, square, park, or other part of the tract described by Section 232.001(a)(3).
    • The land must be used primarily for agricultural use as defined by Section 1-d, Article VIII, Texas Constitution, or for farm, ranch, wildlife management, or timber production use within the meaning of Section 1-d-1, Article VIII, Texas Constitution.
    • If the tract ceases to be used primarily for qualifying agricultural, farm, ranch, wildlife-management, or timber-production use, the platting requirements apply.
    • The exemption is from the county plat requirement and does not eliminate other applicable requirements, including municipal rules where land is inside municipal limits, septic requirements, floodplain requirements, or other state-law controls.
    “A county may not require the owner of a tract of land located outside the limits of a municipality who divides the tract into two or more parts to have a plat of the subdivision prepared if: (1) the owner does not lay out a part of the tract described by Section 232.001(a)(3); and (2) the land is to be used primarily for agricultural use, as defined by Section 1-d, Article VIII, Texas Constitution, or for farm, ranch, wildlife management, or timber production use within the meaning of Section 1-d-1, Article VIII, Texas Constitution.”
  • Subdividing landRegulated (with conditions)

    Subdivision of land outside municipal limits, including unincorporated Marion County, when the owner divides a tract into two or more parts to lay out a subdivision, lots, or specified public-use areas.

    • A plat is required for the statutory divisions described in Local Government Code Section 232.001.
    • The requirement applies outside the limits of a municipality; incorporated municipalities may have separate municipal subdivision rules.
    • Section 232.0015 permits counties to define and classify divisions and does not require platting for every division otherwise within the subchapter.
    • The commissioners court of the county where the land is located must approve a plat required by Section 232.001.
    “The owner of a tract of land located outside the limits of a municipality must have a plat of the subdivision prepared if the owner divides the tract into two or more parts to lay out: (1) a subdivision of the tract, including an addition; (2) lots; or (3) streets, alleys, squares, parks, or other parts of the tract intended by the owner of the tract to be dedicated to public use”
  • 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”
    One more reviewed finding on this topic
    • Required — New or modified access driveways connecting property to state highways, including state highways in Marion County.
      “A completed Permit Form 1058 is necessary whenever new access driveways are constructed or existing access driveways are modified.”
  • Permit processPublished (with conditions)

    Constructing a new driveway or revising an existing driveway on the right of way of a Texas state highway.

    • The applicant should contact the local District TxDOT office.
    • The applicant must submit Form 1058, Permit to Construct Access Driveway Facilities on Highway Right of Way.
    • The application must be for the bona fide purpose of securing or changing access to the owner's property, not parking or servicing vehicles on state highway rights of way.
    • No construction may begin on the right of way until a fully executed driveway permit is received and the applicant gives TxDOT 24-hour notification.
    • The driveway must comply with the executed permit and applicable regulations; TxDOT inspection must find construction satisfactory.
    • Where a local public agency has permitting authority, drainage impacts on the state highway system still require TxDOT approval before local approval.
    • Driveway geometrics, utilities, environmental requirements, wetlands considerations, ADAAG, TAS, and other applicable state and federal laws must be considered.

    required form: Form 1058, Permit to Construct Access Driveway Facilities on Highway Right of Way · advance notification: 24 hours (Notification to TxDOT is required before construction on the right of way.) · private residential driveway maximum width: <= 24 feet (Except as increased by permissible radii.) · minimum driveway radius to highway pavement: >= 15 feet

    “The applicant shall complete and submit to TxDOT a Form 1058”
    One more reviewed finding on this topic
    • Published (with conditions) — On-site sewage facility permit applications in Texas, including applications for property in Marion County.
      “Applications and planning materials must be submitted to the permitting authority. To find your permitting authority, search by the county the OSSF is to be located. The TCEQ regional office will be the permitting authority in locations where a local jurisdiction has not been authorized. The permitting authority must either approve or deny the planning materials and permit application within 30 days of receipt.”
  • 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.

  • Inspections — Building inspections in Marion County, Texas.
  • Certificate of occupancy — Certificates of occupancy in Marion County, Texas.
  • Local zoning — Aggregate local zoning status across Marion County municipalities and unincorporated areas; this claim does not attribute municipal zoning authority to the county.
  • Mandatory utility hookup — Water and sewer utility connection requirements for property in Marion County
  • Building in a floodplain — Development in flood hazard areas in Marion 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 Marion County, Texas

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

Marion County scores 80/100 on the Bolthole Index, a strong county profile. Its strengths: low administrative friction for a quiet rural property and manageable long-term carry cost.

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

Marion 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 Northeast Texas Municipal Water District (NETMWD). Owner-builders may act as their own contractor to build their home. These answers are quoted from official sources and independently re-checked. Rules change and cities within the county differ — always confirm with the county before you buy or build.

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

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

Land in Marion County runs about $2,245 per acre, based on the latest county data.

What is the water situation in Marion County?

Marion County gets about 50.1" of rain a year, with severe drought in roughly 18% of years.

How remote is Marion County?

A representative private-land location has about 7,079 people within a 30-minute drive and 1,466,894 within two hours. The road-network catchments count population across county lines and clusters of smaller cities; straight-line radius values remain available as a comparison.

How Marion compares in Texas

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