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 North Dallas
Mold remediation in North Dallas typically costs between $1,800 and $7,500 for a contained, full-scope job, and smaller isolated treatments often start around $900. When you call Marsh Water Damage Dallas, a live person answers 24/7, and we can have a Threshold Verified technician at your North Dallas door the same day. We know this area’s homes, its slab foundations, and the specific ways hidden moisture turns into mold here. Call (432) 529-4284 and you’ll speak to someone who understands North Dallas construction, not a call center reading a script.
Why Marsh Water Damage Dallas Is North Dallas’s Preferred Mold Remediation Company
North Dallas homeowners call us because we explain the problem in plain language before any work starts. Tobias Reyner leads our technical team, and he has spent years on the exact failures North Dallas homes are prone to: cast-iron lines under slabs, expansive clay shifting pipes, and moisture that hides under flooring for months before anyone sees staining. Our crews work in Preston Hollow, Far North Dallas, the Preston Corridor, and every neighborhood along Hillcrest Road and Forest Lane, so we arrive already knowing what the house likely has going on underneath. We are not guessing when we tell you the scope; we have seen this same house before.
Every North Dallas job gets a written price before any equipment comes off the truck. That means you know the number, the scope, and the technician’s name and photo before the knock on the door. Tobias Reyner and his whole crew are background-checked and identity-verified under the Threshold Verified standard, and they show a photo ID badge every time. When water or mold is spreading, the last thing you need is a surprise bill or a stranger at the door. We remove both.
Our Mold Remediation work in North Dallas is backed by the 365-Day Done Right Promise, printed on every work order. If something is not right within a full year, we come back and make it right, free second visit included. That is not a marketing promise; it is a time-stamped written commitment.
Restoration work we handle






Mold Removal Specialist in North Dallas
Mold Removal Specialist work in North Dallas starts with finding where the water is coming from, because removing surface mold without fixing the source means the problem returns on the first humid week. In a North Dallas ranch built in 1978, that source is often a cast-iron drain line under the slab that has been patched two or three times already. We cut out the affected drywall and flooring adjacent to the slab, remove the colonized material, and dry the slab edge before anything gets rebuilt. This is the difference between a real fix and a rebound.
What the job involves
Containment goes up first so spores do not spread through the HVAC system while we work. Then we remove the wet building materials, run Dri-Eaz and XPOWER air movers with Injectidry pulling moisture from the slab edge, and treat the framing and remaining surfaces with antimicrobial products. Air scrubbers run throughout, and we do not break containment until moisture readings confirm the slab and framing are dry.
What it costs
A contained mold removal job in North Dallas on one affected room typically runs $1,800 to $4,200. Whole-home slab-edge remediation with flooring replacement and drywall removal commonly runs $4,500 to $7,500. The written price covers containment, removal, drying, treatment, and disposal, and you approve it before we start.
Black Mold Removal in North Dallas
Black Mold Removal in North Dallas homes built over expansive clay presents a different challenge than in newer construction on engineered fill. The black staining you see on baseboards or under vinyl flooring here is frequently the visible tip of a much larger colony feeding on moisture wicking up from a patched slab line. Our job is to remove not just the visible growth but the moisture source feeding it, or we will be back in a season.
When a homeowner calls us
You might notice a musty odor that lingers after rain, dark staining creeping up drywall behind furniture, or a family member whose allergies get worse inside the house. Those are common first signals in North Dallas homes where slab leaks have been patched before. We map the moisture with slab-edge probes, not just surface meters, because the moisture that feeds black mold here often sits in the clay under the slab.
Scope and price
Black mold removal in a single contained area of a North Dallas home generally starts around $1,500 and runs up to $5,000 depending on how far the moisture has wicked under the flooring. If cast-iron sections need cutting out and replacing, we scope that in the written price as a separate line item so there is no argument later about what was included.
Trusted Brands We Service in North Dallas
Our North Dallas crews work on homes of every era and construction style, from 1960s brick veneer ranches near the Galleria to 1990s two-story traditionals along Midway Road. We stock common parts and materials locally for fast turnaround, and we service all major HVAC and dehumidification brands. Our technicians hold IICRC credentials and use equipment from Dri-Eaz, XPOWER, and B-Air, the same commercial gear used on large losses, applied to residential North Dallas jobs. When we tell you a floor is dry, we mean the moisture readings confirm it, not just that the surface feels dry to the touch.
See the difference
Before
After
Before
After
Before
AfterCommon Mold Remediation Problems We See in North Dallas Homes
- Patched cast-iron lines under the slab. North Dallas homes from the 1970s and 1980s often have original cast-iron drain pipes under the slab that have been patched multiple times as the expansive clay shifted. Each new leak releases water into the soil under the flooring, and surface moisture meters never catch it.
- Moisture wicking under vinyl and tile. When a slab leak drips under vinyl plank or tile in a North Dallas ranch, the water has nowhere to go. It wicks up into the gypsum board, sits there, and mold grows inside the wall cavity where you cannot see it until the staining appears months later.
- Dehumidifiers alone do not fix a slab leak. After a supply line breaks under a North Dallas slab, homeowners sometimes run dehumidifiers and think the problem is handled. Without containment and air movers pulling air across the slab edge, the moisture stays in the clay, and the mold rebounds after the first freeze-thaw cycle.
- Rushing to replace flooring before drying the slab. In a hurry to get the house back together, some contractors in North Dallas lay new flooring over a slab that has not been properly dried. The trapped humidity feeds mold in the new flooring and the gypsum board above within a season, and the whole remediation has to be done again.
Pricing for Mold Remediation in North Dallas, TX
Here are the real North Dallas market numbers. Mold inspection and testing in North Dallas usually runs $350 to $700, including lab fees. Full contained remediation in a single affected room starts around $1,800 and goes up to $4,200 depending on how far the moisture has traveled. Black mold removal typically runs $1,500 to $5,000. Crawl space treatment and moisture control in North Dallas homes with pier-and-beam sections runs $1,200 to $3,800. Air quality restoration after remediation, including HEPA scrubbing and final clearance testing, costs $500 to $1,200. Every job gets a written price before anything starts, and that price does not balloon after demo begins. Call (432) 529-4284 for a free estimate specific to your home.
We Also Serve Cities Near North Dallas
Marsh Water Damage Dallas serves Mold Remediation in North Dallas and the surrounding metro. If you are in Dallas, Irving, Grand Prairie, or Grapevine, the same Threshold Verified crews and written-price standard apply. Dispatch is coordinated from our Dallas-Fort Worth office, and crews serve North Dallas locally with fast response times.
Serving North Dallas, TX - Our Local Coverage Area
We’re based in the North Dallas 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 North Dallas
A floor that looks dry on the surface can still be hiding mold in North Dallas because expansive clay shifts patched cast-iron lines and moisture wicks up under vinyl or tile without ever showing a stain. The reliable way to know is a moisture map with slab-edge probes, which measures the humidity gradient at the slab surface, not just the top of the flooring. Call (432) 529-4284 and we can run this test before you spend money on a remediation you might not need, or worse, skip one you do.
Yes. In North Dallas, the clay soil under slab homes expands when wet and contracts during winter freezes, and that repeated movement stresses patched cast-iron lines. A small leak from a spring storm can become a larger hidden moisture zone by the next freeze-thaw cycle, which means remediation here often requires removing slab-adjacent drywall and flooring rather than just treating surfaces.
A slab leak from a supply line is Category 2 water, meaning it is contaminated and not just wet. In a 1970s Preston Hollow home, that means porous materials like gypsum board, carpet pad, and particleboard underlayment must be removed rather than dried in place. We scope these as line items in the written price so you can see exactly what comes out and why.
Dehumidifiers pull moisture from the air, but the real problem after a North Dallas slab leak is the water sitting in the clay under the slab and wicking up into the gypsum board. Without containment and air movers pulling air across the slab edge, the moisture stays in the clay, and the mold rebounds. Our Injectidry and Dri-Eaz equipment is built to dry the slab edge, not just the room air.
Cast-iron drain lines under 1980s North Dallas slabs have often been patched multiple times, and each patch is a future leak point in the shifting clay. That means our remediation scope usually includes cutting out and replacing the affected cast-iron section, not just drying and treating the visible mold. Newer homes with PVC drain lines under the slab do not have the same patch history, so the scope stays smaller. Call (432) 529-4284 and we will walk you through what your specific home likely has based on its era.
Written by Tobias Reyner, Owner at Marsh Water Damage Dallas, serving North Dallas and the surrounding metro with mold remediation, water damage restoration, and storm damage response since 2005.