Free 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.
Fast, Reliable Mold Remediation Across Brooklyn Heights
A hidden leak in a Brooklyn Heights brownstone rarely stays hidden for long. Within 24 to 48 hours, moisture trapped behind original plaster and stone foundation walls starts feeding mold, often in places you can’t see from the finished room. We respond to Brooklyn Heights calls the same day, with a live person answering at (940) 466-4354 and a background-checked technician on the way with a live arrival time you can track. If you smell something musty near Hicks Street, Pierrepont Place, or anywhere along the Heights, call before the cavity behind your wall gets worse.
Why Wendell Water Damage Restoration Is Brooklyn Heights’s Preferred Mold Remediation Company
Brooklyn Heights homeowners call us because we treat the building the way it was actually built. These are 19th-century brownstones and converted carriage houses with stone foundations that shed water inward, not away. A floor-level dry-out that works in a newer Queens co-op doesn’t touch the masonry cavity two courses up a party wall here. We know that because we’ve pulled moisture readings on enough Hicks Street and Pierrepont Street cellars to recognize the pattern before we open a single wall.
Our Brooklyn Heights customers regularly mention two things in reviews: the price was in writing before we started, and the technician showed up when the tracking link said they would. That’s the Relay Standard, and it’s not optional on any job we run. Blake Sorensen has built the team around that promise: background-checked, uniformed crews, IICRC-standard practices, and before-and-after photos texted to your phone so you can see the wall cavity dry, not just take our word for it.
We carry professional drying equipment from Dri-Eaz, Phoenix, and XPOWER on every Brooklyn Heights call, and we coordinate directly with your insurance adjuster if you file a claim. Same-day dispatch from our New York City office means we’re typically on-site in Brooklyn Heights within a couple of hours of your call.
Mold Removal Service in Brooklyn Heights
Mold Removal Service in Brooklyn Heights is the physical removal of mold-contaminated materials, and in these buildings it almost always means opening the wall cavity rather than just scrubbing the surface. The visible stain on your baseboard is rarely the whole story. Behind it, the original masonry and lath have often been wet long enough that mold has colonized the back side of the plaster or drywall. A typical mold removal job in Brooklyn Heights runs $1,800 to $4,500 depending on how much wall area we have to open and how far the moisture has traveled up the cavity.
Containment and Material Removal
Before we cut anything, we set up negative-air containment so mold spores don’t move into your living space. We remove only the affected board or plaster, bag it inside the containment zone, and carry it out through a sealed path. In most Brooklyn Heights cellars, that means removing two to four feet of finished wall along the affected party wall or exterior foundation.
Antimicrobial Treatment and Clearance
After removal, we treat the exposed framing and masonry with an antimicrobial agent, then place drying equipment inside the cavity. We log daily moisture readings until the stone reads at or below its pre-loss condition. You get those readings by text, along with photos of the open cavity, the treatment, and the final dry numbers.
Mold Remediation Services in Brooklyn Heights
Mold Remediation Services in Brooklyn Heights go beyond removal to address the moisture source that fed the mold in the first place. If we take out the moldy board but leave the leak or the wicking party wall untouched, the mold comes back, usually behind fresh paint and within a few months. That’s the cycle we break. Full remediation in Brooklyn Heights typically runs $3,200 to $7,500 when it involves wall-cavity drying, source correction, and restoration of the finished surface.
Moisture Source Correction
In attached brownstones, the source is often a shared party wall or a below-grade foundation wall that never truly dries without mechanical help. We trace the moisture with meters and thermal imaging, then fix what we can reach: a weeping supply line, a failed sump pump, a foundation crack, or a missing vapor barrier in the crawl space.

Structural Drying and Rebuild
Once the source is corrected, we run Dri-Eaz dehumidifiers and Injectidry wall-drying systems through the cavity until the masonry reads dry at depth. Then we rebuild what we removed, restoring plaster or drywall to a ready-to-paint finish. You get a written guarantee on the repair, and if it fails within a year, we come back free under our 365-Day Done Right Promise.

What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Brooklyn Heights
We work on homes in Brooklyn Heights regardless of the equipment brand already installed, but most of our remediation jobs here involve the same brands we run ourselves: Dri-Eaz and Phoenix dehumidifiers and XPOWER air movers. Because we stock replacement filters, hoses, and sensor parts for these units in our New York City inventory, we don’t wait on a distributor when your Brookly Heights cellar needs a part mid-job. That means faster turnaround when a dehumidifier fails during a drying project or when a sump pump tied to a French drain stops cycling. Mention your equipment brand when you call and we’ll tell you what we carry before we arrive.
Common Mold Remediation Problems We See in Brooklyn Heights Homes
- Wet masonry cavities behind finished cellars: Stone foundations wick groundwater inward, and the cool surface condenses humid air against the back of finished walls. We regularly find mold two or three courses above the visible stain on Hicks Street and Pierrepont Place.
- Shared party-wall moisture between attached brownstones: A leak in your neighbor’s unit migrates through the common wall and keeps your side above the drying goal. We moisture-map the adjoining unit when access allows, because skipping that step is why mold returns weeks later.
- Whole-plaster replacement when targeted removal works: Some crews quote a full gut because they don’t know how to dry the sound stone behind original plaster. We cut only what’s colonized, dry the rest in place, and save you thousands on a Brooklyn Heights apartment.
- Musty smells with no visible leak: Coal-chute voids and old floor joists absorb decades of humidity and release it on humid summer days. We trace the odor with moisture meters and air sampling before recommending any demolition, because the smell is often a sign of a below-grade wall cavity, not the room where you notice it.
Pricing for Mold Remediation in Brooklyn Heights, NY
Most mold remediation jobs in Brooklyn Heights fall between $2,500 and $6,500, with smaller cavity-only removals starting around $1,800 and full below-grade remediation with restoration reaching $8,000 or more. What moves the number: how much wall area is colonized, whether the moisture is in a shared party wall or a single-family foundation, and whether we’re drying original plaster or replacing drywall. A simple bath fan exhaust leak behind drywall costs less than a below-grade cellar wall fed by groundwater for months. Every estimate is free, and the price goes in writing before any work starts. Call (940) 466-4354 and we’ll give you a real range after a quick phone assessment.
We Also Serve Cities Near Brooklyn Heights
If you’re across the bridge or a few stops down the line, our crews handle Mold Remediation throughout the surrounding boroughs. We regularly run jobs in Brooklyn, Queens, Manhattan, and The Bronx from our New York City office. The same written pricing, live arrival times, and photo updates apply no matter which side of the river you’re on. For localized service details, see our page on Mold Remediation in Brooklyn Heights.
Serving Brooklyn Heights, NY - Our Local Coverage Area
We’re based in the Brooklyn Heights 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 Brooklyn Heights
Mold can start colonizing within 24 to 48 hours in a Brooklyn Heights brownstone cellar, especially if the water soaked into the masonry behind the finished wall. The visible stain on your baseboard may be dry while the cavity two courses up is still wet and feeding growth. Call (940) 466-4354 the day you find the leak; same-day response means we can often stop mold before it spreads beyond the first affected board.
No. We remove only the plaster that is actually colonized or too water-damaged to save, then dry the sound stone and lath behind it in place. Targeted removal often saves you thousands of dollars and preserves original plaster that would take a specialty contractor to match. Get an estimate at (940) 466-4354 and we’ll know more once we see the moisture readings.
Yes, in most cases we can begin containment and removal the same day you call from Brooklyn Heights. We show up with a live arrival time, set containment, pull moisture readings across the affected wall, remove colonized material, apply antimicrobial treatment, and place drying equipment. You get daily photo updates and moisture logs by text until the wall reaches its pre-loss condition.
Yes, we handle party-wall moisture between attached Brooklyn Heights brownstones. We’ll moisture-map your side, document what we find with photos and meter readings, and coordinate with your neighbor’s access as needed so we can dry the shared wall from whichever side reaches the wet masonry. If you’re filing an insurance claim, we’ll send our readings directly to your adjuster.
We start with moisture meters and thermal imaging across the floor, the lower walls, and the ceiling joists, looking for hidden cavities holding water. In Brooklyn Heights, that usually means the coal-chute void, the back of a finished below-grade wall, or a shared party wall with the neighbor. The smell is the clue; the meter tells us where to look. Call (940) 466-4354 for a free assessment.
If you suspect mold in your Brooklyn Heights brownstone, don’t wait for the musty smell to become a visible stain. Call (940) 466-4354 now. A live person answers, the price goes in writing before we start, and you’ll know exactly who’s coming and when they’ll be there.
Written by Blake Sorensen, Owner at Wendell Water Damage Restoration, serving Brooklyn Heights and the surrounding boroughs since 2006.






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