Tall pines in the East Texas Piney Woods with a sandy track cutting through green understorey.
Angelina County No county building code

Barndominium Builders in Angelina County, TX

Lufkin anchors one of the highest-intent barndominium markets in Texas, and almost everything a buyer needs to know out here is decided by a body other than Angelina County. The county has no building department, no building permit and no published residential code edition. What it does run is a flood damage prevention order, adopted in September 2010 under Texas Water Code section 16.315, which reaches only special flood hazard areas. The septic programme is not the county's at all: TCEQ's authorised agent for the entirety of Angelina County is the Angelina and Neches River Authority in Lufkin, under an order its board adopted in August 2021. That order is stricter than the state minimum in several places, and one clause kills the ten-acre exemption outright. The ground is the other surprise. The surface reads as Piney Woods sand nearly everywhere, and the clay is waiting three feet down.

Angelina County at a glance

County
Angelina County
Population
88,154
Where we build
Lufkin, Smith County, Tyler

ZIPs 75901, 75903, 75904, 75941, 75949, 75969, 75980

Site visits
We meet you on the tract, Lufkin or anywhere else in Angelina County
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Building conditions in Angelina County

What actually changes from one Texas jurisdiction to the next: who issues the permit, whether the residential code is enforced there at all, what the structure has to be engineered to, and what the ground is like. These are the numbers your drawings have to satisfy.

Build conditions for Angelina County , Texas . BUILD CONDITIONS ANGELINA COUNTY…Angelina CountyNO COUNTY BUILDING…ADOPTED RESIDENTIAL CODENO COUNTY BUILDING…This jurisdiction publishes no design wind speed. It is settled in writing with the authority overyour parcel before the frame is ordered.ZONING · NO COUNTY ZONINGHalf an acre on a public water suppl…Local Government Code section 233.153(d)(2) does not authorise acommissioners court to adopt or enforce zoning. The lot sizes come…SINGLE-FAMILY RESIDENTIAL SEPTIC PERMIT$485.00The Angelina and Neches River Authority's published fee scheduleeffective 1 May 2025: 475 dollars to the Authority plus the 10…WHO ISSUES THE PERMITAngelina & Neches River Authority, O…TCEQ's authorised agent for on-site sewage across the entirety ofAngelina County. 2901 N John Redditt Drive, Lufkin, TX 75904, (936)…
Build conditions for Angelina County, drawn from the sourced facts on this page. Every figure above is cited in the quick-facts panel below, with its source and vintage.
A river authority runs the septic programme, not the county
TCEQ's authorised agent search returns two records for Angelina County and neither is the county: the Angelina and Neches River Authority, whose area served is listed as the Sam Rayburn Reservoir Control Zone, Angelina County and San Augustine County, and TCEQ Region 10 in Beaumont. Neighbouring Nacogdoches County does hold its own agent designation; Angelina does not

TCEQ Online Authorized Agent Reporting System, county search, tceq.texas.gov/permitting/ossf/aa_search.html

Ten acres does not exempt you here
Section 10(D) of the river authority's order, headed No Lot Size Exemptions, requires a permit and inspection for the construction, alteration, extension or repair of any on-site sewage facility, residential or commercial, regardless of the acreage or size of the tract of land

Order Adopting Rules of the Angelina & Neches River Authority for On-Site Sewage Facilities, section 10(D), adopted 3 August 2021, approved by TCEQ 9 November 2021

The shop bay does not enlarge the drainfield
TCEQ's application form asks for the number of bedrooms and the living area in square feet, and the wastewater table is headed number of bedrooms or living area of home. The river authority's order does not override that: across its full text the words living, loft, garage and bedroom appear nowhere

TCEQ form TCEQ-0235, On-Site Sewage Facility Application, item 8, with the wastewater usage rate table in 30 Texas Administrative Code section 285.91, read against the ANRA On-Site Sewage Facilities Order sections 4 to 17

The surface reads as sand and the trench does not
In Fuller fine sandy loam, the county's largest soil map unit at 45,812 acres, representative clay content is 9 percent to 39 inches and then 27 percent below it. In Alazan very fine sandy loam, the second largest at 42,358 acres, clay goes from 10 percent to 25 percent at eighteen inches, which is drainfield depth

USDA NRCS Soil Data Access, SSURGO survey area TX005, mapunit and chorizon tables

Half the county is hydrologic soil group D
Grouping the county's 553,619 mapped acres by the hydrologic soil group of the dominant soil gives 277,666 acres in group D, the slowest infiltrating class, and 153,023 acres in group C. Two of the ten largest map units, Moswell and Ozias, are classified smectitic and montmorillonitic, which is shrink-swell ground

USDA NRCS Soil Data Access, SSURGO survey area TX005, component table fields hydgrp and taxclname

No freeboard above the base flood elevation
Article 5 section B(1) of the county's flood damage prevention order requires the lowest floor of a new residential structure to be elevated to or above the base flood elevation, with a certification from a registered professional engineer, architect or land surveyor. It adds no extra height, where several Texas counties require two feet

Angelina County Commissioners Court Order, Flood Damage Prevention, article 5 section B(1), adopted and effective 14 September 2010

Also worth knowing before you build in Angelina County

Which Water Code section the county's own order names
Article I section A of the order states that the Legislature has in the Flood Control Insurance Act, Texas Water Code, Section 16.315, delegated the responsibility of local governmental units to adopt regulations designed to minimize flood losses

Angelina County Commissioners Court Order, Flood Damage Prevention, article I section A, adopted 14 September 2010

The floodplain permit is the county's only construction gate
Article 3 section C requires a Floodplain Development Permit, but article 3 section A applies the order only to areas of special flood hazard within the jurisdiction of Angelina County. There is no plan review and no structural inspection behind it, and the permit is valid for one year from the date issued

Angelina County Commissioners Court Order, Flood Damage Prevention, article 3 sections A and C, with the county's Floodplain Administrator Development Permit Application

No homeowner septic installations
Section 10(B) of the river authority's order requires all installations to be performed by a TCEQ licensed installer who is also registered with the Authority, and bars property owner installations unless the owner is themselves a licensed installer registered with the Authority

Order Adopting Rules of the Angelina & Neches River Authority for On-Site Sewage Facilities, section 10(B)

Your septic plans need a seal
Section 10(F) requires that planning materials for all on-site sewage facilities be submitted by a registered professional sanitarian or a licensed professional engineer, which removes the route in 30 TAC section 285.5(a)(1) that lets an owner or installer prepare them for a standard single-family system

Order Adopting Rules of the Angelina & Neches River Authority for On-Site Sewage Facilities, section 10(F)

One lot in a subdivision pulls the whole subdivision in
The Sam Rayburn Reservoir Control Zone runs 2,000 feet outward from the reservoir take line, and if any part of a subdivision lies within the regulated zone the entire subdivision is treated as being within it. No on-site sewage facility may be installed below the 176 foot mean sea level line

Order Adopting Rules of the Angelina & Neches River Authority for On-Site Sewage Facilities, section 6(A), with the Authority's OSSF Overview page

Too close to a sewer line and a septic system is not allowed
Section 10(C) bars an on-site sewage facility on property located within 200 feet of a public sewer system where the system would physically sit within 500 feet of a public sewer line, and requires the written consent of the city or utility inside city limits or a certificated service area

Order Adopting Rules of the Angelina & Neches River Authority for On-Site Sewage Facilities, section 10(C)

The county cannot adopt a fire code even if it wanted to
Local Government Code section 233.061(a) allows a fire code only in a county over 250,000 or one adjacent to a county over 250,000. Angelina had 88,154 residents in 2025 and its largest neighbour, Nacogdoches County, had 66,035, so the bracket is not open to it

Texas Local Government Code section 233.061(a) with U.S. Census Bureau Vintage 2025 county population estimates

Inside Lufkin the answer is completely different
Lufkin has adopted the 2018 International Residential Code with appendices A through H, J, M and T, and deleted section 313.2, the automatic fire sprinkler system requirement, along with the permit exemptions in section 105.2 for accessory structures and fences

Lufkin Code of Ordinances section 3.03.101, Ordinance 4914 adopted 19 October 2021

Lufkin's code stops at the city limit
Lufkin had 34,347 residents in 2025, which sets a two-mile extraterritorial jurisdiction under Local Government Code section 42.021(a)(3). A Texas municipality has no authority to enforce its building code in that ring; it can require platting there, and nothing more

Collin County v. City of McKinney, No. 05-17-00546-CV (Tex. App. Dallas 2018) and Town of Lakewood Village v. Bizios, 493 S.W.3d 527 (Tex. 2016)

The groundwater district covers the whole county
The Pineywoods Groundwater Conservation District includes all of Angelina and Nacogdoches Counties. It was authorised by House Bill 2572 in 2001 and confirmed by voters that November, and it is prohibited by its own legislation from levying taxes, exercising eminent domain or issuing bonds. The Carrizo-Wilcox is the primary aquifer

Pineywoods Groundwater Conservation District Management Plan 2023, filed with the Texas Water Development Board

Genuinely rural by the only measure that counts
39,865 of the county's 88,154 residents live outside any city, spread across roughly 746 square miles of unincorporated land once the 51.9 square miles inside Lufkin, Hudson, Diboll, Burke, Huntington and Zavalla are taken out. That is about 53 people per square mile

U.S. Census Bureau Vintage 2025 sub-county population estimates and the 2024 Census Gazetteer county and place files

A lot of the county belongs to somebody else
The Forest Service describes the 153,179-acre Angelina National Forest as lying in Angelina, Nacogdoches, San Augustine and Jasper counties, on the north and south shores of Sam Rayburn Reservoir, a 114,500-acre lake. The Census puts 66.9 square miles of Angelina County under water, 7.7 percent of its total area

USDA Forest Service, National Forests and Grasslands in Texas, Angelina National Forest, with the 2024 Census Gazetteer county file

One city in the county is outside the flood insurance programme
FEMA's Community Status Book records Angelina County itself in the Regular Program since 1 July 1998 and Lufkin, Diboll, Hudson, Huntington and Zavalla all participating. The City of Burke is recorded as not participating and flagged as sanctioned

FEMA National Flood Insurance Program Community Status Book, communities 480007, 480008, 480009, 480011, 480248, 481077 and 485527

There is no percolation test in Texas
Soil is classified by texture, from Class Ia sandy and gravelly through Class IV silty clay and clay, with loading rates from above 0.50 down to 0.10 gallons per square foot per day. The absorptive area is the design flow divided by that rate

30 Texas Administrative Code chapter 285, on-site sewage facility soil classification and loading rates

A licensed plumber is required even with no building code
The rural plumbing exemption expressly excludes plumbing performed in conjunction with new construction, so a licensed plumber is required on a rural Angelina County build even where nobody will inspect the framing

Texas Occupations Code section 1301.052

Climate zone 2A
Angelina County is climate zone 2A, hot-humid, on both the pre-2021 and the 2021 IECC and IRC county maps, so the insulation answer does not change with the edition here the way it does in North Texas

Pacific Northwest National Laboratory PNNL-33270, county climate zone data files

An excavator grading a compacted building pad on a cleared lot, with survey stakes and a drainage swale visible.
Below the slab

The expensive surprises are in the ground, not the building

What moves a Texas budget is usually below grade, and it is soil rather than rock: shrink-swell clay. The Blackland Prairie and the Gulf Coast clays move enough between a wet season and a dry one to drive the foundation design across the state's largest markets, which is why several DFW cities require an engineer's seal on the foundation of every new house. Those are the same conditions that decide whether a septic field passes its soil and site evaluation, so the grading plan, the foundation and the drainfield get resolved together rather than one at a time. We price the dirt before we price the building.

What we build in Angelina County

All nine of our services — kits, custom plans, post-frame and steel construction, site preparation, permitting and engineering, through to turnkey builds — are available across Angelina County. What a project costs depends far more on the parcel than on square footage, so we work from your land rather than from a rate card.

See what we build

What a build looks like

Three stages every Angelina County project passes through, from a raw parcel to a finished home. Site work first, because that is where the budget is decided.

Aerial view of an undeveloped rural lot with cleared grass, a live oak and cedar elm treeline, and a pale gravel access track.
Stage one

The parcel

Zoning, setbacks, flood zone and utility access get checked before anything is drawn.

An excavator grading a compacted building pad on a cleared lot, with survey stakes and a drainage swale visible.
Stage two

Pad and permit

Clearing, grading and a compacted pad, while the submittal works through Angelina County.

A finished barndominium at dusk with warm interior lighting glowing through its large windows.
Stage three

Frame to finish

Shell erected and dried in, then systems, insulation and interior finish through to CO.

Those are the rules for Angelina County. Tell us what you want to build and we will draw it to them.

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Where we build around Angelina County

Angelina County and the rural land around it. The buildable acreage for a project this size usually sits outside the city limits, which is frequently what changes who issues your permit.

Our Angelina County service area, covering Angelina County and the surrounding rural acreage. This map marks the territory we serve, not a branch location.

Keep reading

The questions that usually come next once you know what Angelina County allows.

Barndominium Cost Guide

Sourced per-square-foot ranges by tier and by size, with a calculator built on the same figures.

Read it

Is It Legal in Texas?

Classification, zoning, the HOA gate, and why "nonresidential farm building" does not cover a home.

Read it

How Long Does It Take?

Census build-duration data, and what actually sets the permit clock where you are building.

Read it

Nearby areas we build in

Others we cover in this part of Texas. The permitting authority, the adopted design criteria and the zoning can all differ from one to the next.

Smith County

Smith County
Tyler

Smith County

Building in Angelina County: common questions

11 questions we get asked most often about building in Angelina County. If yours is not on the list, ask it directly.

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Who issues the septic permit in Angelina County?
Not the county. TCEQ's authorised agent search returns two records for Angelina County, and neither of them is Angelina County. The Angelina and Neches River Authority holds the designation, and its own order says the regulated area is the entirety of Angelina County. Everything else falls to TCEQ Region 10 in Beaumont. This surprises people, because Nacogdoches County next door does run its own programme and the county line changes who you call. The Authority's OSSF department is at 2901 N John Redditt Drive in Lufkin on (936) 632-7795. Its published fee for a single-family residential system, effective 1 May 2025, is 475 dollars to the Authority plus the 10 dollar state fee.
Does Angelina County have a building code or a building permit?
The county publishes neither. It has no building department, no building inspector and no adopted residential code edition, and its list of county offices runs from Road and Bridge to Emergency Management without anything resembling permits or development services. The Commissioners Court never adopted an order or resolution under Subchapter F of Local Government Code chapter 233. Every agenda the court posted in 2009, and its monthly verbatim minutes through March 2010, were recovered from the county's own earlier website and read in full, and not one mentions the subchapter, House Bill 2833 or a building code. Even where a county has opted in, Subchapter F gives it no permit, no fee and no county inspector; the builder contracts the three required inspections privately. The county's own hazard mitigation plan records no building code for the unincorporated county while listing its cities' codes.
I have more than ten acres. Am I exempt from the septic rules?
No, and the river authority says so in its own words. Section 10(D) of its order is headed No Lot Size Exemptions and requires a permit and inspection for the construction, alteration, extension or repair of any on-site sewage facility, residential or commercial, regardless of the acreage or size of the tract of land. TCEQ made the same point when it amended the state rule in 2023, explaining that the old wording had been misinterpreted by homeowners, installers, authorised agents and other stakeholders as meaning that single-family dwellings on ten acres or more were exempt from the entirety of Chapter 285. Ten acres buys you out of nothing here.
Does my shop space count towards the size of the septic system?
Not in Angelina County. TCEQ's application form asks for the number of bedrooms and the living area in square feet, and the wastewater usage table is headed number of bedrooms or living area of home. Both tests apply and the higher one governs, but the area figure is living area rather than total structure area. Some Texas authorised agents override that and count lofts and attached garages as living space. The Angelina and Neches River Authority has not: across the whole of its order the words living, loft, garage and bedroom do not appear once. So a barndominium with 1,800 square feet of three-bedroom living space and a 2,200 square foot shop is sized as a three-bedroom house. What can change your price is the fee tier, which is set by how many separate structures are connected to one system.
What is the soil actually like out here?
Sandier at the surface than most of Texas, and less sandy underneath than its reputation suggests. In Fuller fine sandy loam, the largest soil map unit in the county at 45,812 acres, the representative clay content is 9 percent down to 39 inches and then jumps to 27 percent, reaching 35 percent below 58 inches. In Alazan very fine sandy loam, 42,358 acres, clay goes from 10 percent to 25 percent at eighteen inches, which is the depth a drainfield trench sits in. Grouped by hydrologic soil group, 277,666 of the county's 553,619 mapped acres fall in group D, the slowest infiltrating class. And two of the ten largest map units, Moswell and Ozias, are classified smectitic and montmorillonitic, which is shrink-swell clay. The site evaluation decides your system and the soil report is worth having before you fix a slab design.
What happens if I am building near Sam Rayburn Reservoir?
You are in the Control Zone Rayburn, and the rules tighten. The zone runs 2,000 feet outward from the reservoir take line, and the river authority's order provides that if any part of a subdivision lies within the regulated zone the entire subdivision is treated as being within it, so a lot at the far end of a development can still be caught. No on-site sewage facility may be installed below the 176 foot mean sea level line. The Authority's website and its order describe the zone's starting elevation slightly differently, so call the OSSF department on (936) 632-7795 with your parcel before you commit to a septic layout near the lake.
Is there a floodplain permit, and how high do I have to build?
There is, and the height answer is lower than in most of Texas. Angelina County's flood damage prevention order, adopted and effective 14 September 2010, requires a Floodplain Development Permit but applies only to areas of special flood hazard within the county. Article 5 section B(1) requires the lowest floor of a new residential structure, including any basement, to be elevated to or above the base flood elevation, certified by a registered professional engineer, architect or land surveyor. There is no added freeboard, where Montgomery, Parker and Liberty counties all require two feet. The order also says on-site waste disposal systems must be located to avoid impairment to them or contamination from them during flooding, so the drainfield is in the floodplain rule as well as the septic one. The permit is valid for one year.
Does the Angelina National Forest affect what I can build?
Not directly, but it affects what is for sale. The Forest Service describes the 153,179-acre Angelina National Forest as lying in Angelina, Nacogdoches, San Augustine and Jasper counties, on the north and south shores of Sam Rayburn Reservoir, and the Census puts another 66.9 square miles of the county under water. So the county's headline land area overstates the private, buildable supply, and most of what is available sits north and west of the lake. Federal ownership imposes no building standard on adjoining private land, and nothing comparable to the 2024 International Wildland-Urban Interface Code that Austin adopted at city code section 25-12-181 applies anywhere in Angelina County; the county has no power to adopt a building code at all. What the Commissioners Court does use is its burn ban power, extending a prohibition on outdoor burning in the unincorporated county for ninety days at a time. If your access crosses federal land, get the easement examined by a title attorney before closing.
If I rent the barndominium out, does anything change?
Less than it does in some Texas counties, and for a structural reason. Angelina County has no commercial permitting track and cannot adopt a fire code at all: Local Government Code section 233.061(a) opens that power only to a county over 250,000 or one adjacent to such a county, and Angelina had 88,154 residents in 2025 against 66,035 in its largest neighbour. So letting the building does not move it into a different code, because there is no county code either way. Two things do change. The river authority's fee schedule treats a system serving several separate structures as non-single-family, which raises the septic fee from 485 dollars to 610 or 1,510. And if it ever turns out the county did adopt residential standards, the owner-builder defence in section 233.157(c) requires the owner to intend the building as their own primary residence, so letting it would cost you that.
Do I need a permit for a water well?
Angelina County sits entirely inside the Pineywoods Groundwater Conservation District, which covers Angelina and Nacogdoches Counties and was authorised by House Bill 2572 in 2001 and confirmed by voters that November. That is unusual for deep East Texas, where several counties have no district at all. The district permits non-exempt wells and registers new ones, and it is prohibited by its own enabling legislation from levying taxes, exercising eminent domain or issuing bonds. The Carrizo-Wilcox is the primary aquifer, with the Queen City and Sparta as minor sources. Confirm the current exemption thresholds with the district before you drill, and remember the state on-site sewage rules set a one acre minimum lot where the water comes from an individual well against half an acre on a public supply.
What still applies on rural land with no building code?
More than people expect. The septic authorisation is required before construction or operation regardless of tract size, and the planning materials must be sealed by a registered professional sanitarian or a licensed professional engineer, which is stricter than the state rule. Installations must be by a TCEQ licensed installer registered with the river authority, and there are no owner installations. An aerobic system needs two notarised affidavits to the public, one filed with the Angelina County Clerk and one with the Authority. Occupations Code section 1301.052 requires a licensed plumber on new construction, because the rural plumbing exemption expressly excludes it. Health and Safety Code section 388.004 requires a builder outside any municipality to certify energy compliance and keep the certification for three years. And recorded deed restrictions bind regardless; the county's own flood order says that where it and a deed restriction conflict, whichever imposes the more stringent restrictions prevails.

Building in Angelina County?

Start with the plan. Tell us what you want to build and we will draw it, then confirm what Angelina County will actually let you put on the parcel and what wind load it has to meet. That conversation costs nothing.

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