Water damage drying
Fire & smoke cleanup
Mold remediation
Storm response
Sewage cleanup
ReconstructionFree visual inspection and a written scope of work before any mitigation begins - photos, moisture readings, and drying logs go in your claim file
The scope we write is the scope we bill. Anything new gets shown to you, in writing, before we touch it.
Get your free estimateFast, Reliable Mold Remediation Across Houston
Mold remediation in Houston typically costs $1,800 – $6,500 for a contained room-level job, and $6,500 – $30,000+ when water has been sitting in slab-on-grade walls for days and the colony has spread behind baseboards. Most jobs in a home this size run between $2,400 and $9,000, and you see the written number before we start. We’re Tidemark Water Damage Houston, independently owned and operated to the Cedarwell Care Promise. A live person answers at (325) 423-6800, 24 hours a day. If you’re standing in a Meyerland kitchen watching water creep up from the slab, or you’ve smelled must behind a Kingwood wall for two weeks, call now.
Why Tidemark Water Damage Houston Is Houston’s Preferred Mold Remediation Company
Houston’s relationship with mold is different from almost anywhere else in Texas. Our remediation crews know that a Meyerland slab home and a Heights pier-and-beam bungalow fail in completely different ways. We also know the repeat-flood reality: in Meyerland and Kingwood, homes flood so routinely that our remediation teams maintain a flood list of repeat properties. Often the same house needs water extraction and Mold Remediation two or three times in a single hurricane season, because slab-on-grade construction on former wetlands leaves no room for drainage. Rick Sumner built this Houston office on that local knowledge, not on a franchise playbook.
We carry IICRC, RIA, and IFA credentials. Our technicians arrive background-checked and uniformed. Shoe covers go on at the door. Drop cloths cover the floor before the first piece of equipment comes in. Every job is covered by the 365-Day Done Right Promise. If the restoration is not done right, we make it right. That’s the written standard, and it’s not negotiable.
When a Houston homeowner calls at 2 a.m. because a thunderstorm just pushed water under the back door, they don’t get a voicemail. They get a real person who can dispatch a crew to their neighborhood, not a callback queue. For Mold Remediation in Houston, that response speed matters because mold colonizes wet drywall within 24 to 48 hours. We’ve seen it happen in less than 36.
Restoration work we handle
Black Mold Removal in Houston
Black Mold Removal in Houston usually means removing Stachybotrys chartarum that has colonized water-damaged drywall, baseboards, and wall cavities after a slab leak, a drainage failure, or a roof breach during one of the city’s frequent heavy downpours. In Houston’s slab-on-grade homes, the problem is often invisible for weeks: water travels under tile and carpet, soaks the bottom plate of interior walls, and black mold establishes itself behind baseboards before any staining appears on the visible surface. A contained removal for a single wall section in Houston typically runs $2,000 – $6,000, including air scrubbers, HEPA vacuuming, antimicrobial treatment, and clearance testing.
Containment and Removal That Protects the Rest of the House
We build negative-air containment around the affected area before cutting anything open. Plastic sheeting isolates the work zone, air scrubbers run continuously, and HEPA vacuums capture spores at the source. The rest of your house stays livable during the job.
What Happens After the Mold Is Out
Mold removal is not the same as mold remediation. Removal takes out the visible colony. Remediation includes finding the moisture source, drying the structure past the tide mark, and verifying the air is clear. In a Houston home that has flooded twice in one season, we’re especially stubborn about that moisture source. Otherwise you’re paying for the same job next spring.
Mold Removal Contractor in Houston
A Mold Removal Contractor in Houston has to understand something most national franchises miss: the city’s lack of zoning and its build-fast housing culture created thousands of slab-on-grade homes with grading that sends stormwater toward the foundation instead of away from it. That means the contractor is not just removing mold; they’re identifying why the wall got wet in the first place. A typical Houston mold removal contractor job runs $1,800 – $9,000 depending on how far the water traveled behind the drywall and whether the colony reached the bottom plate or the studs. Equipment brands like B-Air and Injectidry are on every truck because they’re what a serious Houston crew uses to actually dry past the tide mark.
How We Find the Mold You Can’t See Yet
Moisture mapping comes before demolition. Using Dri-Eaz moisture meters and thermal imaging, we read the wall cavity from outside the drywall. That tells us where the water went and where mold is likely hiding, so we open only what needs opening and we can show you the readings before making a single cut.
The Written Scope Before Work Starts
You get a written price and a written scope before anyone picks up a tool. Not a ballpark. Not a verbal estimate. A line-by-line document that says exactly what we’ll remove, what we’ll treat, what equipment we’ll deploy, and what it costs. If the scope changes during the job, we stop and talk to you first. No surprises on the final invoice.
Trusted Brands We Service in Houston
Our Houston crews work with professional-grade equipment from B-Air and Injectidry, backed by IICRC, RIA, and IFA training standards. What that means for a Houston homeowner: the air movers and injection-drying systems we bring into your home are the same machines used by leading restoration specialists, not rental-counter equipment. Our vehicles carry stock for the jobs we see most in Houston: extra HEPA filters for the humidity-driven spore loads, containment sheeting, and antimicrobial treatments approved for occupied homes. Fast turnaround on parts and supplies matters in this climate, where delaying containment by a day can double the affected area. We’re not running back and forth across town while mold keeps growing.
See the difference
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After
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After
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AfterCommon Mold Remediation Problems We See in Houston Homes
- Hidden water under slab floors: Slab-on-grade construction hides leaks under tile and carpet so long that black mold colonizes the bottom plate of interior walls before any staining appears. By the time you smell it, the colony is established.
- Poor grading around foundations: In unzoned Houston subdivisions built on former wetlands, stormwater flows toward slab foundations. Door thresholds and exterior wall cavities wick moisture, and mold develops behind baseboards where nobody looks.
- Repeat flooding in Meyerland and Kingwood: Homes on the flood list that only get dried, not cut out, end up with chronic hidden mold. Wall drying alone after category 3 water rarely passes a follow-up air-quality test.
- Older pier-and-beam bungalows inside the Loop: Foundation movement from clay soil opens crawl space vents and lets humid air pour in. Crawl space mold then migrates up through floor cavities into living spaces.
Pricing for Mold Remediation in Houston, TX
Our pricing is straightforward because our scope is written first. A contained single-room mold removal in Houston generally runs $1,800 – $4,500. A whole-wall remediation with structural drying and rebuild runs $4,500 – $9,000. When slab water has been sitting for weeks and multiple rooms are affected, expect $9,000 – $30,000+. What moves the number: how far water traveled, whether studs and bottom plates are involved, how many rooms need containment, and whether reconstruction is required. We use B-Air and Injectidry drying equipment on every job, and the equipment cost is included in the written scope. Call (325) 423-6800 for a free estimate. The number we give you is the number on the final invoice.
We Also Serve Cities Near Houston
Our Houston crews serve homes across the metro, including Galena Park, Pasadena, South Houston, and Deer Park. Each area has its own drainage patterns and slab construction quirks, and our technicians know them. Wherever you are in the Houston metro, the same written-price-first standard applies.
Serving Houston, TX - Our Local Coverage Area
We’re based in the Houston area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Mold Remediation in Houston
Mold can start colonizing wet drywall within 24 to 48 hours in a Houston slab home. In Meyerland specifically, where water sits against the slab with nowhere to drain, we’ve documented active black mold inside wall cavities within 36 hours of a routine thunderstorm. Call (325) 423-6800 the moment water touches your walls, and we’ll get a crew out fast.
After a Category 2 flood in Kingwood, you need full mold remediation that includes cutting out affected drywall and treating the studs. Drying alone won’t remove bacteria or prevent mold behind the drywall. A written assessment from our Houston crew will tell you exactly what needs cutting and what can be saved.
Moisture mapping tells us where water actually traveled, not just where it’s visible. In Houston slab homes, water moves sideways under tile and behind baseboards in patterns you can’t see from the surface. Mapping with Dri-Eaz meters lets us target the real affected area and show you the readings before demolition starts.
Mold remediation alone cannot fix a Houston home that keeps flooding. If the drainage problem is not addressed, the mold will return. We’ll remediate the current mold, then recommend the drainage corrections your specific lot needs so you’re not calling us again next season.
Houston’s lack of zoning means slab homes were built with inconsistent grading and minimal drainage requirements, making them unusually vulnerable to water intrusion and hidden mold. Building codes did not require moisture-resistant drywall in wall cavities, so once water gets in, the material itself is mold food. Our remediation approach accounts for that construction reality.
Written by Rick Sumner, Owner at Tidemark Water Damage Houston, serving Houston since 2006.