Municipal Guide Texas Harrison County · Marshall

Harrison County Building Permit Guide

Building permits in unincorporated Harrison County, TX — what the county issues, OSSF, floodplain, plats, and the Louisiana line. 2026 guide.

Authority: Harrison CountyCode: No county building code adoptedPortal: County offices — Marshall
Building permits
Not county-issuedNo county building code
Septic (OSSF)
Environmental HealthRequired countywide
Seat
MarshallEast Texas, Louisiana line
Region
Piney WoodsTimber and gas country

Harrison County does not issue general building permits. Like the great majority of Texas counties it has no adopted residential building code and no building inspection program for unincorporated areas. What applies are the environmental and land records that govern rural construction: on-site sewage facility permitting, floodplain development, subdivision platting, addressing, and county road access.

That is a statutory limit rather than a local choice. Texas counties may adopt narrow authority over new commercial, public-accessible, and multifamily buildings under Local Government Code ch. 233, but they generally cannot regulate residential construction, inspect it, or issue a residential certificate of occupancy outside city limits.

Harrison County sits on the Louisiana line in the East Texas Piney Woods, with Marshall as the seat and Hallsville, Waskom, and Karnack as smaller centres. It is timber and gas country, and rural parcels here are large, wooded, and frequently well away from public utilities — which makes septic the governing constraint on where a house can sit.

Covers unincorporated Harrison County. Marshall, Hallsville, Waskom, Uncertain, and Scottsville permit their own territory — confirm whether the parcel is inside a city limit before assuming county rules apply.

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No building permit is not no requirements. A rural Harrison County build still needs an OSSF permit before the septic goes in, floodplain compliance if the parcel touches a mapped hazard area, a plat if land is being divided, and an address before utilities connect. Confirm current requirements directly with the county before relying on any summary, including this one.

What requires a county permit in Harrison County?

The question in unincorporated Harrison County is not which building permit you need. It is which environmental and land records your project triggers, which county office holds each, and whether the parcel is genuinely outside every city limit.

On-site sewage is the record with real teeth. Texas requires a permit for any OSSF under Texas Health and Safety Code Chapter 366 and TCEQ rules at 30 TAC 285, administered locally by an authorized agent. On heavily wooded East Texas parcels with variable soils, the site evaluation result frequently decides where the house can physically go.

Still required

  • On-site sewage facility permit — required statewide, no local exception
  • Licensed site evaluation as part of the OSSF application
  • Continuous maintenance contract on aerobic and surface application systems
  • Floodplain development where the parcel touches a mapped hazard area
  • Subdivision plat when land is divided
  • 911 address assignment for new structures
  • Driveway or culvert access onto a county road
  • Water well registration where a groundwater district applies

Not required by the county

  • County building permit — not issued for residential construction
  • County building code compliance — none adopted
  • County construction inspections across the trades
  • County certificate of occupancy
⚠️ The absence of a building code does not suspend state law. Trade work still requires state-licensed contractors, TDLR retains electrical and accessibility enforcement authority in unincorporated areas, and the State Fire Marshal’s Office holds primary fire code jurisdiction there. "No county permit" is not "no oversight."

Harrison County building department: who handles permitting

Harrison County distributes its permitting functions across offices rather than consolidating them in a development department. On-site sewage permitting runs through county environmental health as the local authorized agent under state rules, while floodplain administration, subdivision platting, and road access sit with county offices and Commissioners Court in Marshall.

For anything touching general building construction, confirm the position directly with the county rather than assuming — published material is thinner here than in the larger Texas counties, and a phone call resolves in minutes what desk research leaves ambiguous.

Harrison County contact
DetailInformation
Building permitsNot issued — no county building code for unincorporated areas
OSSF / septicHarrison County environmental health, as local authorized agent
Governing rulesTex. Health & Safety Code ch. 366 and TCEQ rules at 30 TAC 285
Floodplain, plats, roadsHarrison County offices and Commissioners Court, Marshall
County seatMarshall
Other communitiesHallsville, Waskom, Uncertain, Scottsville, Karnack
State oversightTDLR for electrical and accessibility; State Fire Marshal for fire code
Inside city limitsMarshall, Hallsville, Waskom, Uncertain, Scottsville
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Confirm jurisdiction first and septic second. Those two answers determine essentially everything about a rural Harrison County project, and both are cheap to establish early and expensive to discover late.

Harrison County permits: record types and what each covers

The permit-type question works differently in a Texas county. Harrison County has no adopted building code for unincorporated areas and issues no residential building permits, so there is no record-type matrix of the kind Marshall maintains. What exists is a set of environmental and land records, each administered by a different office and triggered by a different condition.

What Harrison County actually issues

County-issued records in unincorporated Harrison County
RecordWhat triggers itWho administers itNotes
OSSF permit to constructInstalling, altering, repairing, or extending an on-site sewage facility where no public sewer is availableHarrison County Environmental HealthRequired statewide; soil evaluation by a licensed site evaluator is part of the application
OSSF license to operateIssued after the permit to construct requirements are met and the system passes inspectionHarrison County Environmental HealthAlso triggered on transfer of ownership of an existing system
Floodplain development permitPlacing fill, setting a structure, or developing in or near a mapped special flood hazard areaCounty floodplain administratorSubstantial improvement and substantial damage rules attach to existing structures
Subdivision platDividing land in the unincorporated countyCommissioners Court and county engineeringRoad, drainage, and access standards apply
911 address assignmentNew structures and new access points needing an addressCounty addressing / emergency managementUsually a prerequisite for utility service
Right-of-way and driveway culvertNew or modified access onto a county roadCounty road and bridge / precinctCulvert sizing set by drainage conditions
Water well registrationDrilling a water wellthe applicable groundwater conservation districtGroundwater districts operate independently of the county
Ch. 233 commercial / multifamilyNew commercial, public-accessible, or multifamily buildings, and substantial improvements, where the county has adopted the authorityCommissioners CourtScope is set by county order; confirm adoption before assuming it applies

County reaches this

  • On-site sewage facilities, everywhere in the state
  • Floodplain development and substantial improvement
  • Subdivision of land and county road access
  • Addressing, and fire code where separately adopted

County generally does not

  • Issue residential building permits in unincorporated areas
  • Conduct residential construction inspections
  • Issue a residential certificate of occupancy
  • Enforce a residential building code absent a county order adopting one

Solar permits in Harrison County

In unincorporated Harrison County there is generally no county building permit for a residential rooftop or ground-mount photovoltaic system, because the county does not regulate residential construction. That is a jurisdictional fact rather than a green light: the electrical work still has to be performed by a TDLR-licensed electrician to code, and the utility still governs interconnection.

Utility interconnection is the real gate. The interconnecting utility — the wires company in deregulated territory, or the electric cooperative serving the parcel in much of rural East Texas — runs its own application, engineering review, and Permission to Operate process, and it is not waived by the absence of a county permit.

Under Tex. Prop. Code §202.010 a property owners' association cannot prohibit a solar energy device outright, and any dedicatory provision that does is void — but the statute preserves the association's right to require prior architectural approval and to impose placement and appearance conditions. Approval cannot be unreasonably withheld.

Inside Marshall city limits the picture changes completely: the city permits solar like any other municipality. The jurisdiction question is the first question.

Roofing permits in Harrison County

A residential roof covering replacement in unincorporated Harrison County generally does not require a county permit, for the same reason: Texas counties have no general authority over residential construction outside city limits.

Two things still apply. If the structure sits in a mapped special flood hazard area, the county floodplain ordinance can reach the work through substantial improvement rules — and cumulative improvement value is what triggers them, so a reroof after other recent work can cross the threshold on its own. And commercial or multifamily buildings can fall under the county's Ch. 233 authority where it has been adopted.

Texas has no statewide product approval system and no central listing to check a roofing product against. Hail is the governing risk across East Texas, and impact-resistant Class 3 and Class 4 shingles carry insurance premium credits from most carriers. Under Tex. Prop. Code §202.011 a property owners' association cannot prohibit wind or hail resistant shingles, or shingles that improve energy efficiency.

Harrison County sits on the Louisiana line in the East Texas Piney Woods at roughly 105 mph ultimate design wind speed under the codes regional cities adopt, with no coastal exposure and no TDI windstorm requirement. Hail and falling timber during storm events drive claims here more than sustained wind does, which is worth factoring into both roof assembly and insurance.

Texas has no statewide building code and no statewide general contractor license. In the unincorporated county the practical compliance surface is the trades — TDLR for electrical and mechanical, the TSBPE for plumbing — plus the county's environmental and floodplain records, rather than a building department.

Record types, fees, and administering offices are set by Harrison County and change without notice, and the scope of any ch. 233 commercial authority depends on what Commissioners Court has adopted. Marshall, Hallsville, Waskom, Uncertain, and Scottsville permit independently. Harrison publishes limited permitting detail online — confirm current requirements directly with the county before relying on any of this.

Harrison County permit cost and fees

Harrison County charges no building permit fees because it issues no building permits. Costs attach to OSSF permitting and its licensed site evaluation, floodplain permitting where applicable, platting, and road access.

The site evaluation is the line most often left out of an early budget. A licensed professional has to test soils on the specific parcel, and the result determines whether a conventional drain field works or an aerobic treatment system is required — a meaningful cost difference plus an ongoing maintenance obligation on the aerobic side.

How Harrison County fees are structured
Fee componentHow it works
Building permitNone — not issued by the county
OSSF permitCounty fee plus licensed site evaluation and system design
Aerobic systemAdds a continuous maintenance contract and a recorded affidavit
Floodplain developmentCounty fee where applicable; elevation certificate may be required
Subdivision platFiling and review fees, plus survey and engineering
Road access / culvertCounty fee plus materials and installation
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Planning a rural Harrison County build? Send us the parcel and scope and we’ll confirm jurisdiction and map the records that actually apply, in the order they have to run.

Harrison County trade permits

There is no county trade permit program in unincorporated Harrison County. Electrical, plumbing, and mechanical work is neither permitted nor inspected by the county, which puts the compliance burden on state licensure and owner diligence. Septic is the exception.

Electrical

No county permit or inspection. A TDLR-licensed electrician remains the standard, and TDLR retains enforcement authority in unincorporated areas.

Plumbing

No county permit for interior plumbing. The septic system is permitted and inspected through county environmental health as authorized agent.

Mechanical / HVAC

No county permit or inspection. TDLR licensure applies to the contractor regardless of whether a permit exists.

Inside a city limit

Marshall, Hallsville, and Waskom permit and inspect trades normally. Jurisdiction determines everything.

🧢 With no county inspection outside septic, nothing independently verifies the work and no permit history exists for a future buyer, appraiser, or insurer. Documenting licensure and keeping your own inspection records is worth doing even though nobody requires it.

Harrison County permit application: how to apply step by step

1. Confirm the parcel is unincorporated

Check whether the property sits inside Marshall, Hallsville, Waskom, Uncertain, or Scottsville. This single question changes the entire process.

2. Call the county before designing

Harrison publishes limited permitting detail online. Confirm current OSSF, floodplain, and platting requirements with county offices directly rather than working from a summary.

3. Engage a licensed site evaluator

Soil testing on the specific parcel is required for OSSF permitting and determines system type. On wooded East Texas land it also constrains where the house can sit.

4. Apply for the OSSF permit

File with county environmental health. Aerobic systems carry a continuous maintenance contract and a recorded affidavit.

5. Handle floodplain, plat, and access

Determine flood hazard status, work platting through Commissioners Court if dividing land, obtain a 911 address, and permit driveway access onto county roads.

6. Build to code voluntarily and document it

With no county code or inspection, build to a recognised code edition anyway and keep records of licensed trades and engineered plans.

Inspections in Harrison County

Harrison County does not conduct residential construction inspections in unincorporated areas. There is no foundation, framing, rough-in, or final building inspection, and no county certificate of occupancy is issued.

The inspections that do occur are environmental. OSSF installations are inspected as part of the permitting process, and aerobic and surface application systems carry continuing maintenance and inspection obligations under state rules after the permit issues.

Private third-party inspection is worth considering on a new build. In a county that generates no construction record, it is the only independent documentation a lender, insurer, or future buyer will have.

Harrison County permit search and official resources

Frequently asked questions

Who issues building permits in Harrison County?

No one, for general residential construction in unincorporated areas — Harrison County has no adopted residential building code and no building inspection program. The records that do apply are administered separately: on-site sewage through Harrison County Environmental Health, floodplain development through the county floodplain administrator, plats through Commissioners Court, and road access through the precincts. Inside Marshall city limits, the city permits normally.

How do I get a permit in Harrison County?

Start by confirming the parcel is actually unincorporated, because that single question changes everything and a mailing address will not answer it. If it is, work the records the county does issue rather than looking for a building permit: septic first, since it constrains siting and carries the longest lead time, then floodplain, plat, addressing, and road access as the project triggers them.

What codes apply in Harrison County?

Texas has no statewide building code, and Harrison County has not adopted one for unincorporated areas, so no building code is enforced there. State rules still govern on-site sewage facilities, and the county’s floodplain ordinance governs development in mapped flood hazard areas. Trade work remains subject to state licensing through TDLR and the TSBPE. Inside city limits, the municipality’s adopted codes apply in full.

Does Harrison County issue building permits?

No, not for general residential construction in unincorporated areas. The county has no adopted residential building code and no building inspection program. Texas law gives counties only limited, permissive authority over building outside city limits, and it does not extend to regulating residential construction, inspecting it, or issuing a residential certificate of occupancy. Septic, floodplain, platting, addressing, and road access are the records that do apply.

Do I still need a septic permit in Harrison County?

Yes, and this one is not optional anywhere in Texas. Texas Health and Safety Code Chapter 366 and the TCEQ on-site sewage rules at 30 TAC 285 require a permit for any OSSF, administered locally by an authorized agent. A licensed site evaluator, registered sanitarian, or professional engineer prepares the design based on soil conditions on your specific parcel, and aerobic or surface application systems carry a continuous maintenance contract plus a deed-recorded affidavit.

What about property inside Marshall or Hallsville?

Then the county guidance does not apply. Marshall is the county seat and permits and inspects construction inside its limits as a normal municipal building department, as do Hallsville, Waskom, Uncertain, and Scottsville. Because mailing addresses reach well past city limits in rural East Texas, and because parcels here are large, confirm the property against current city limits before assuming either set of rules governs.

Do I need a permit to install solar panels in Harrison County?

Yes. Photovoltaic installations in Harrison County are permitted under a dedicated solar record type reviewed on both a structural and an electrical track. Solar thermal — passive water and pool heating — is a separate record. Under Tex. Prop. Code §202.010 a homeowners' association cannot ban a solar energy device outright, but it may still require prior architectural approval and impose reasonable placement conditions, so run the HOA submittal alongside the permit. Since September 1, 2025, Tex. Local Gov't Code §247.0025 (SB 1202) also permits third-party plan review and inspection of home backup power installations — generators and energy storage for one- and two-family dwellings at 600 volts or less — in place of jurisdiction review. Utility interconnection and Permission to Operate still run in parallel.

Does a roof replacement require a permit in Harrison County?

Yes, in most cases. A roof covering replacement requires a permit in most Texas municipalities including Harrison County, though minor repairs can fall below the local threshold. Texas has no statewide product approval system and no central product listing, so compliance runs against the locally adopted code edition and its local amendments. Hail rather than wind is the governing risk inland, and Tex. Prop. Code §202.011 bars an HOA from prohibiting wind or hail resistant shingles.

What is the difference between a residential and a commercial permit in Harrison County?

In a Texas county it is the difference between no county jurisdiction and possible county jurisdiction. Residential construction in unincorporated Harrison County is largely outside county authority. New commercial, public-accessible, and multifamily buildings, plus substantial improvements, are the categories Local Government Code ch. 233 lets a county reach — but only where Commissioners Court has adopted that authority, so confirm it rather than assuming.

Do trade permits need to be pulled separately in Harrison County?

Not in unincorporated Harrison County — there is no county trade permit program and no county trade inspection. Electrical, plumbing, and mechanical work should still be performed by contractors licensed through TDLR and the TSBPE, and the septic connection is permitted and inspected separately. Inside city limits, trade permits work normally.

What happens if I file under the wrong permit type in Harrison County?

Because Harrison County does not run a building permit program, the more common failure is filing nothing at all — assuming that no building permit means no requirements, and missing the septic, floodplain, plat, or addressing record the project actually triggered. Those are enforced, and unwinding them after construction is materially harder than filing them in order.

Can I apply for all Harrison County permit types online?

Largely no. Harrison County administers its records through county offices at Marshall rather than a unified permitting portal, and it publishes noticeably less permitting detail online than the larger Texas counties. Expect a manual, phone-and-counter process, and treat direct confirmation with the county as a necessary step rather than an optional one.

Simplify Harrison County permitting with Alliance Permitting

A county with no building department, a septic requirement that is enforced regardless, wooded parcels where soils decide siting, and limited published guidance to work from — Harrison County projects fail on sequence and on assumptions carried in from a city. Alliance Permitting is a permit expediter for Harrison County: we confirm jurisdiction, verify requirements directly with the county, and run the records in order.

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Alliance Permitting is a permit documentation and submission company: we prepare your paperwork, file it correctly, and coordinate with the authority having jurisdiction through issuance. We are not a contractor and do not perform licensed plan review or inspections; that work stays with your team and the jurisdiction.

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This guide is provided by Alliance Permitting for general informational purposes and reflects publicly available information believed accurate as of July 2026. Permit requirements, fees, and processes change; always confirm current details with Harrison County before filing. This is not legal advice.

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