Mold remediation cost in Beaumont, TX
Beaumont's 1991-2020 hourly normals represent about 4,536 normal-hours a year at or above a 60° F dew point, and 49.4% of its 172,921 housing units date from before 1980. Two risk factors our index scores separately stack in the same market.
Found mold today?The first 24 hours
- Don't disturb it. Aggressive scrubbing, sanding, demolition or spraying can disturb mold and disperse material before you understand the scope. If you've started, stop and close the area off.
- Limit use of the HVAC if growth is near a return, air handler or ductwork. Running the system may spread particles to other areas, so consider limiting the affected system until the situation is evaluated.
- Photograph everything first. Timestamped photos of the growth, the surrounding materials and any staining help document the loss if it becomes an insurance claim.
- Find the water. Look above and behind the growth, not just at it — a leak, a failed seal, a crawl-space vent. Remediation before the source is fixed is a repeat visit.
- Don't rush. Mold that's been there for weeks isn't an emergency because you noticed today. The EPA's 24–48-hour window is for actively wet materials; if it's dry and stable, get more than one opinion.
Local data snapshot
- Climate station
- PORT ARTHUR SE TX RGNL AP · USW00012917
- NOAA normals
- 1991–2020
- Housing dataset
- Census ACS 5-Year
- Metro units analyzed
- 172,921
- Median year built
- 1981
- Detached single-family
- 70.3%
- Labor series (BLS OEWS)
- SOC 47-2061 + 47-1011
- Cost model
- v1-2026-08
- Last reviewed
- Aug 2026
Beaumont's mold season
Monthly mean dew point at PORT ARTHUR SE TX RGNL AP, 1991-2020 normals. MoldCostGuide uses 60° F outdoor dew point as a benchmark for elevated atmospheric moisture when comparing climates — a comparison metric, not a biological threshold at which mold begins to grow.
Vertical scale 28–70° F. Bars in orange clear the threshold.
Bulk water: 62.1 inches of precipitation a year, wettest in August (NOAA 1991–2020 monthly normals) — the outside-water pathway that dew point can't measure, alongside the humidity season above.
- Humid hours
- 4,536 95th pct. of 729 metros
- Housing pre-1980
- 49.4% 50th pct.
- Moisture & housing
- 44/100 23rd of 729
- Detached houses
- 70.3% of the metro's stock
- Multifamily
- 18.0% shared-wall stock
- Local labor
- $28.25 per hour, BLS metro figure
Humid hours and percentiles: NOAA/NCEI 1991–2020 climate normals, station USW00012917. Housing: US Census ACS 5-Year. Labor: BLS OEWS, May 2025. Costs: MoldCostGuide cost model v1-2026-08.
WHAT DRIVES COST HEREA long moisture season met by the local building stock
The mean dew point at Port Arthur SE TX RGNL AP is 60.8° F, rising to 74.6° F in July. The hourly normals work out to about 4,536 normal-hours at or above 60° F — 51.8% of the year — and about 3,615 at or above 65° F, or 41.3%. Seven months clear the 60° F line, and for May through September the hourly normals sit at or above it throughout. Annual precipitation is 62.13 inches, wettest in August. That places Beaumont in the 95th percentile for humid hours.
Housing age is the second axis, and it is context rather than cause. Of 172,921 units, 49.4% predate 1980 and 16.0% predate 1960; the median year built is 1981. Detached homes account for 70.3%, multifamily 18.0%, mobile homes 9.1%. Construction methods changed over the decades, but a build year tells you nothing about how an individual house handles moisture — that follows drainage, ventilation, flashing and maintenance, none of which this data measures.
Construction labor at $28.25 an hour is the principal market-specific input in our pricing model. Modeled midpoints run $739 for surface mold in a single room, $2,758 for a crawl space, $3,386 for a basement, and $9,757 whole-house, with the whole-house estimated range reaching $29,270. Scope and reconstruction cost can climb as more materials are affected or growth reaches concealed areas. Texas licenses both assessors and remediators through TDLR, and sanctions expressly cover doing both on one project.
What makes this an Beaumont estimate?
We don't take a national mold-remediation average and add a city multiplier. The pricing model uses Beaumont-area construction wages with standardized assumptions for crew time, equipment, containment, disposal and contractor overhead. Beaumont climate normals and housing data provide local context and comparison around that modeled price.
Two questions: where is it, and how big is it?
They give a useful starting estimate — actual cost also turns on the affected materials, how far contamination has spread, access and containment. Priced at Beaumont's labor rate.
COST BY SCOPEWhat each type of job runs in Beaumont
| Scope | Modeled midpoint | Range | |
|---|---|---|---|
| Surface mold, single room | $739 | $480–$1,293 | |
| Attic | $1,892 | $1,041–$3,785 | |
| Crawl space | $2,758 | $1,517–$6,343 | |
| HVAC system | $3,262 | $1,957–$6,197 | |
| Basement | $3,386 | $1,862–$7,110 | |
| Whole house | $9,757 | $5,366–$29,270 |
These figures cover remediation only — containment, removal, cleaning, disposal and post-remediation verification. Our modeled figures exclude reconstruction. A contractor may quote it separately or include it in a broader proposal, so ask whether drywall, insulation, flooring, trim and paint are included.
ESTIMATEEstimate your Beaumont job
The table above is per scope. Add the specifics of your situation for a tighter, Beaumont-specific range.
COMPARISONHow Beaumont compares
| Metro | Normal hrs ≥60° F | Pre-1980 | Labor cost | Crawl space |
|---|---|---|---|---|
| Beaumont, TX | 4,536 | 49.4% | This metro | $2,758 |
| Lake Charles, LA | 4,373 | 41.2% | Well below | $2,629 |
| Houston, TX | 4,382 | 31.5% | Well below | $2,749 |
| Lafayette, LA | 4,284 | 39.9% | Well below | $2,648 |
| Alexandria, LA | 3,829 | 48.3% | Well below | $2,522 |
| Longview, TX | 3,549 | 47.1% | Well below | $2,586 |
Houston sits close on climate — about 4,382 normal-hours at or above 60° F against Beaumont's 4,536 — but only 31.5% of its stock predates 1980, versus 49.4% here. Alexandria, LA pairs 48.3% pre-1980 with about 3,829 normal-hours and a $2,522 crawl space midpoint. All five neighbors carry a "Well below" labor band in our model.
HOW IT STARTSMold growth depends on several conditions — and moisture is the one you can usually control
Mold spores are present in essentially every building — they arrive on clothing, on pets, and through every open door, and no remediation removes them permanently. The food source is the house itself: framing lumber, plywood, the paper facing on drywall, the dust on a joist. And the temperature range that supports growth covers most conditioned and unconditioned spaces for much of the year.
That leaves moisture — the condition a homeowner or contractor can actually influence, which is why every honest remediation conversation starts with where the water is coming from rather than what the growth looks like. Building scientists measure it as water activity: how much water is available at a material's surface, not the humidity of the air around it. Growth thresholds vary by species, material and how long a surface stays wet — some building-associated fungi can grow around 0.75 water activity (roughly 75% surface relative humidity), but the minimum varies considerably.
The ways water reaches a surface here
| Path | What it looks like | In Beaumont |
|---|---|---|
| Seasonal humidity load | Outdoor air stays humid long enough that unconditioned spaces cannot dry between wetting events. | Apr-Oct |
| Crawl space ground moisture | Bare or poorly covered soil releases moisture upward into the floor assembly. | Year-round |
| Aging roof and flashing | Older penetrations and step flashing are the usual entry point for the leaks that start attic growth. | Storm-driven |
| Supply and drain plumbing | Concealed leaks wet cavity insulation and framing before anyone sees a stain. | Year-round |
RULES & OVERSIGHTMold regulation in Texas
Texas licenses mold professionals Verified against state source
Texas actively licenses mold assessment and remediation providers. TDLR sanctions expressly cover performing both assessment and remediation on the same project.
Mold-regulation source: Texas Department of Licensing and Regulation — tdlr.texas.gov/mld · verified 2026-08-11
QUESTIONSWhat homeowners ask before they call
How much does mold remediation cost in Beaumont?
Our model puts a whole-house remediation in Beaumont at a midpoint of $9,757, with an estimated range of $5,366 to $29,270. Smaller scopes come in far lower: surface mold in a single room has a modeled midpoint of $739 ($480 to $1,293), an attic $1,892, a crawl space $2,758, and HVAC work $3,262. These are model outputs built on local construction labor at $28.25 per hour, not quotes — access, containment and the amount of material coming out move real bids.
When is mold season in Beaumont?
There is a long humid stretch rather than a short spike. Using the NOAA 1991-2020 normals at Port Arthur SE TX Rgnl AP, dew point sits at or above 60° F for about 4,536 normal-hours a year — 51.8% of the year — and at or above 65° F for about 3,615, or 41.3%. Seven months clear 60° F, April through October, and July's mean dew point is 74.6° F. August is also the wettest month within 62.13 inches of annual precipitation.
Why does Beaumont score so high for mold risk?
Two independent factors stack here. On moisture, the metro sits in the 95th percentile for humid hours among the 729 markets we analyze. On housing, 49.4% of the 172,921 units date to before 1980 and 16.0% to before 1960. Combined, Beaumont's moisture and housing index is 44 out of 100, ranking 23 of 729. Older assemblies and sustained humidity are separate problems; when they overlap, small leaks get more time to matter.
Can I clean up mold myself, or do I need a pro?
The EPA says a homeowner may handle mold covering roughly 10 sq ft or less — think a small closet wall or a patch behind a vanity. Beyond that, or where there is substantial water damage, HVAC involvement, contaminated water, or growth you suspect is hidden inside a wall or under flooring, professional guidance is more appropriate. In Texas, mold assessment and mold remediation are licensed by TDLR, and the same interests cannot do both on one project. For health questions, we defer to the US EPA and the CDC.
Does homeowners insurance cover mold remediation in Texas?
It depends on the policy and the state. Coverage may apply where mold follows a sudden, accidental water loss, such as a burst supply line or a storm-damaged roof. Policies may exclude or limit losses tied to long-term seepage, humidity, or deferred maintenance — which is exactly the pattern a humid Gulf Coast market tends to produce. Read your declarations page and endorsements, photograph the damage early, and ask your insurer in writing before work starts.
If I pay for remediation, will the mold come back?
Only the growth is removed; the moisture that fed it stays unless someone fixes it. Persistent dampness raises the likelihood of recurrence, and the EPA emphasizes moisture control as the core of prevention. In Beaumont that often means crawl space ventilation and drainage, roof and flashing repairs, condensate lines, and duct insulation in a climate that spends 51.8% of the year at or above a 60° F dew point. Ask your remediator how they document dryness before rebuild.
What's the cost per square foot for mold removal here?
Per-square-foot pricing is common shorthand, and it is a poor predictor. Cost tracks the affected area, how hard it is to reach, how much containment and negative air the job needs, and how much material has to be cut out and rebuilt. A tight attic corner and an open garage wall of the same size are not the same job. Compare scope-level numbers instead — our crawl space midpoint here is $2,758 — and ask each bidder what is included.
How long does mold remediation take?
It depends on the project. A single-room surface cleanup can be a short visit; a crawl space, attic or whole-house scope runs longer because containment setup, demolition, drying and reconstruction happen in sequence. Drying drives the schedule — the EPA advises drying wet materials within 24 to 48 hours, and in a humid market dehumidification can take longer than the cleaning did. Ask whether the bid covers rebuild, and ask how the contractor uses ANSI/IICRC S520.
Should I get a mold inspection before buying a house in Beaumont?
It is worth doing when there is visible growth, a musty odor, a history of water intrusion or storm damage, staining at the base of walls, or damp that keeps returning after repairs. Texas licenses mold assessors separately from remediators and prohibits the same interests from doing both on one project, so an independent assessment stays independent. The state seller-disclosure form addresses water damage but has no mold-specific checkbox, so ask directly about past leaks and repairs.
Why we track dew point
Relative humidity shifts with temperature; dew point measures the actual amount of moisture in the air. We use it as a consistent way to compare the outdoor moisture load between markets, and high dew points also raise the chance of condensation when humid air meets cooler building surfaces. A single annual humidity average can't do that — it moves every time the temperature does, while dew point stays put.
Dew point is not a mold-growth threshold. Mold can grow without visible condensation wherever materials stay damp or surface humidity stays high — the US EPA recommends keeping indoor relative humidity under 60%. We track dew point because it is a stable, comparable signal of how much moisture the outdoor air actually carries, not because a given reading means mold begins.
WHAT'S GROWINGSpecies matters less than most people expect — and less than testing companies suggest
Most of what turns up indoors is one of a handful of genera — the CDC cites Cladosporium, Penicillium and Aspergillus as the most common. Appearance alone isn't a reliable way to identify the genus, and for a homeowner it rarely needs identifying. Some molds, including Stachybotrys chartarum, are associated with persistently wet, cellulose-rich materials — chronically damp drywall, or a crawl space with standing water.
| Question | Does species change the answer? |
|---|---|
| Removal method | Usually not. The approach is generally driven more by the extent of contamination, the affected materials and the moisture source than by the particular genus |
| Whether to remediate | No. Visible growth on a wet material gets removed whatever it is |
| Cost | Rarely. The driver is how wet and how widespread the growth is, not the name |
| Insurance claim | Sometimes. An insurer may ask for documentation of the loss and the damage; requirements vary by policy and carrier |
| Real estate transaction | It can. Independent documentation is useful when a sale needs a written record of conditions or completed work; requirements vary by transaction |
"Black mold" isn't a species
It's a colloquialism, usually meant to indicate Stachybotrys chartarum. Dark-colored growth is not enough to identify Stachybotrys or any other genus by sight. The remediation approach is driven more by the extent of contamination, the affected materials and the moisture source than by the color or common name of the mold. Be cautious about paying a premium simply because growth is described as “black mold” — identifying the type generally isn’t necessary before addressing the moisture and the growth.
On health effects, we defer to the sources that should own that question: the US EPA and the CDC. We're a cost and building-science resource, not a medical one.
THE DAMAGEWhat mold does to a house — and why cost climbs the longer it sits
Mold can grow on and within organic building materials when sufficient moisture is available. On the cellulose in drywall paper, framing lumber, insulation facing and subfloor, mold can degrade these organic materials over time, while prolonged wetting can independently soften, swell or rot the wood-based ones.
That's why cost tracks how far it has spread, not the size of the visible patch. Porous materials — drywall, insulation, carpet — can be difficult or impossible to clean once growth is established, and some may need to come out and be replaced. As more materials are affected, or as growth reaches concealed areas, the HVAC system or structural assemblies, the remediation scope and any reconstruction cost can climb. Staining and odor can also linger in materials after the surface looks clean.
The practical takeaway is why the first-24-hours steps matter: the longer wet materials stay wet, the more likely some will need removal rather than cleaning. On health effects, we defer to the US EPA and the CDC — this section is about the building, not a diagnosis.
BY PROJECT SIZEWhat affected area does to the number
Contractors quote in one of two ways: by the size of the affected area, or by the part of the house involved. Both appear below, because they answer different questions — size tells you the order of magnitude, scope tells you what the crew will actually be doing.
| Affected area | Crew & days | What our model assumes at this size |
|---|---|---|
| Under 10 sq ft | Often DIY | EPA says homeowners can handle many mold areas under about 10 sq ft themselves, depending on the material and circumstances |
| 10–50 sq ft | 2 crew · 1 day | Model assumes a single contained area, cleaning rather than removal; fixed costs dominate |
| 50–150 sq ft | 2 crew · 2–3 days | Model assumes containment and negative air, with porous materials starting to come out |
| 150–400 sq ft | 3 crew · 3–4 days | Model assumes significant demolition; rebuild becomes a separate trade and a separate bill |
| 400+ sq ft or multi-room | 4 crew · 5+ days | Model assumes a larger crew and multi-day work; containment, HVAC involvement and whether occupants can stay depend on site conditions |
Why per-square-foot estimates can mislead
Consumer cost guides often express mold-remediation pricing per square foot. It can be useful shorthand, but it is a poor predictor of an individual project, for two reasons. First, the figure applies to the affected area, not the room or the crawl space — a 1,200 sq ft crawl space with 80 sq ft of growth on the joists is an 80 sq ft job, and multiplying by the wrong number is an easy way to land on a figure several times too high. Second, small jobs are dominated by fixed costs: mobilization, containment setup and equipment delivery cost roughly the same whether the affected area is small or a bit larger, so the effective per-foot rate on a very small job runs much higher than on a mid-sized one.
WHAT A DETAILED QUOTE INCLUDESWhat to look for in a remediation proposal
ANSI/IICRC S520 is the principal industry procedural standard for professional mold remediation. A detailed proposal should describe the planned work clearly. Depending on the project, that may include:
| Line item | What it means |
|---|---|
| Assessment | Visual inspection plus moisture readings on suspect surfaces |
| Containment | Sealed barriers and, where the plan calls for it, negative air pressure so spores don't migrate during removal |
| Air filtration | HEPA-filtered air machines, used where containment is part of the plan |
| Material removal | Porous materials that can't be cleaned — drywall, insulation, carpet |
| Cleaning | HEPA vacuuming and appropriate cleaning of the surfaces that stay |
| Disposal | Contained and disposed of according to the remediation plan and applicable requirements |
| Verification | Post-remediation evaluation — a visual check and confirmation that materials are dry, with sampling where the situation calls for it |
WHAT IT'S LIKEWhat actually happens once work starts
| Question | What to expect |
|---|---|
| Does the inspection cost anything? | Some remediation companies offer a no-cost initial inspection or estimate. An independent assessment is a separate service and may carry a fee; it can be useful for larger, hidden or recurring problems, insurance matters or a home purchase, or when you want assessment kept separate from remediation |
| Do we have to move out? | It depends on the size and location of the work, the containment strategy and whether the HVAC system is involved. Ask the contractor whether the affected area can stay occupied during the work |
| What will the house look like? | Depending on the project, you may see containment barriers across doorways, HEPA-filtered air equipment running, and a section of wall, floor or insulation removed. It can look worse mid-job than before it started |
| Will it be put back? | Reconstruction may be performed by the remediation company, a related contractor or a separate trade, depending on the provider and proposal. Ask specifically what is included |
| How do I know it worked? | Post-remediation verification — a visual check that the area is clean and dry, with independent sampling where the situation calls for it |
How these numbers are built
Costs are modeled, not surveyed. We start from the wage of the trades that do the work in this metro, add loaded labor hours by scope, equipment days, containment materials and disposal, then apply a contractor margin. Every market is priced through the same model, so differences in the modeled figure reflect the local wage in the pricing formula rather than editorial judgment; climate and housing provide local context and comparison, not a cost input. Crew hours, equipment days and contractor margin are our own assumptions rather than published figures, and they are the least certain inputs in the model.
Model v1-2026-08. National output falls inside independently published cost ranges, which is a check rather than a source — we did not fit our figures to theirs.
Sources & references
- NOAA/NCEI, U.S. Climate Normals 1991–2020 — PORT ARTHUR SE TX RGNL AP (USW00012917). ncei.noaa.gov/products/land-based-station/us-climate-normals
- U.S. Census Bureau, ACS 5-Year, tables B25034 / B25035 / B25077 — Beaumont-Port Arthur, TX Metro Area. data.census.gov/table?q=B25034
- U.S. Bureau of Labor Statistics, OEWS May 2025 — Construction Laborers (SOC 47-2061) and First-Line Supervisors of Construction (47-1011). bls.gov/oes/current/oes472061.htm
- US EPA, A Brief Guide to Mold, Moisture and Your Home — moisture control, ~10 sq ft DIY guidance, indoor RH under 60%. epa.gov/mold/brief-guide-mold-moisture-and-your-home
- US EPA, Mold Remediation in Schools and Commercial Buildings — 24–48 hour drying guidance. epa.gov/mold/mold-remediation-schools-and-commercial-buildings-guide
- CDC, About Mold — common indoor genera; testing generally not necessary. cdc.gov/mold-health/about/index.html
- ANSI/IICRC S520, Standard for Professional Mold Remediation.
- MoldCostGuide cost model v1-2026-08 — crew hours, equipment days, containment, disposal and contractor margin (our assumptions).
Cost model v1-2026-08 · generated 2026-08-27 11:11:52
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