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 Woodlawn
Mold remediation in Woodlawn typically costs $1,800 to $6,500 depending on how far the growth has spread, and we can usually have a crew on site same day when you call before noon. Woodlawn’s pre-war apartment buildings and attached single-family homes give mold plenty of places to hide, especially behind original plaster walls and inside unvented bathrooms. Our crews know these buildings because we work in them every week. If you smell must or see staining on a wall or ceiling, call (940) 466-4354 and a live person will answer. No phone tree, no voicemail queue.
We serve every block in Woodlawn, from the brick walk-ups along Katonah Avenue to the side streets off East 233rd and the homes bordering Van Cortlandt Park. Dispatch is coordinated from our New York City office, and our uniformed technicians arrive with a live tracking link so you know exactly when we’ll be at your door. Before any work begins, you get a written price. That number doesn’t change at the end of the job.
Why Wendell Water Damage Restoration Is Woodlawn’s Preferred Mold Remediation Company
Woodlawn landlords and homeowners call us because we treat plaster-and-lath walls the way they actually behave, not the way a drywall textbook says they should. Most restoration companies learned their trade in newer suburban construction. Tell them to remediate mold behind a 1930s plaster wall in a Woodlawn walk-up and they’ll want to tear out the whole assembly. We’d rather dry it, treat it, and test it before we ever talk demolition.
Every technician who walks into a Woodlawn building is background-checked and uniformed, carrying equipment from Dri-Eaz, Phoenix, and XPOWER. We run every job to IICRC, RIA, and IFA standards. That’s the same certification framework used on large commercial loss sites, applied to your second-floor bathroom on East 233rd Street. You get a written 365-Day Done Right Promise on every single job. If something isn’t right, we make it right, and the guarantee is in writing before we start.
Woodlawn customers also get the Relay Visibility Guarantee, which means before-and-after photos by text, a digital invoice you can pay from a link, and a live arrival time that actually tracks. Founded in 2006 as part of the Relay Home Co. family, Wendell Water Damage Restoration is independently owned and operated, led by Blake Sorensen. Our Mold Remediation process is built around transparency because this trade has a reputation problem. We fix that by showing you the moisture readings, the drying logs, and the final clearance test results.
Bathroom Mold Removal in Woodlawn
Bathroom Mold Removal in Woodlawn almost always starts with the exhaust fan, because most pre-war bathrooms in this neighborhood never had one installed correctly, and in many buildings the old fan vents into the ceiling cavity instead of outside. Woodlawn’s older apartments and attached homes were built with original plaster walls and unvented bathrooms. Moisture from showers soaks into that plaster, and mold takes hold behind the tile line before you ever see a black spot on the surface. In Woodlawn, bathroom mold removal typically runs $800 to $2,400 depending on how far behind the wall the growth extends. Landlords along Katonah Avenue and McLean Avenue often call us after a tenant complaint, and we handle everything from moisture mapping to final clearance testing.
Moisture Mapping and Source Correction
Our techs run non-invasive moisture meters across the wall, floor, and ceiling before we pull a single tile. Woodlawn’s plaster walls hold water differently than drywall. They wick moisture horizontally along the lath, so a small leak behind the tub can show up as mold on the opposite wall and no one understands why. We find the actual source of the water and stop it, because treating the mold without fixing the moisture is a temporary patch and everyone here has seen that movie before.
Containment and Antimicrobial Treatment
Mold removal in Woodlawn’s tight floor plans requires real containment, not a taped-up sheet of plastic and hope. We set up 6-mil poly barriers, run HEPA air scrubbers, and use negative air pressure so spores don’t spread through the halls and into neighboring units. Then we apply antimicrobial treatment to the affected plaster and lath. Bleach doesn’t do this job. It dries on the surface and leaves the moisture behind the lath untouched. You need a treatment that penetrates porous plaster, and you need drying equipment running until moisture readings drop below the 15% threshold.
Mold Removal Service in Woodlawn
Mold Removal Service in Woodlawn means something different than it does in a drywall subdivision in Westchester. Our crews work in buildings where the walls are original plaster and lath, the floor joists are 100 years old, and the room layout demands careful containment. A typical full-room mold removal in Woodlawn runs $2,500 to $6,500. For a single closet or small bathroom, you’re usually in the $1,200 to $2,800 range. The price is written down before any work starts, and you pay exactly that number. Our digital invoice comes by text, and you can pay from the link.
Plaster Salvage Before Demolition
We always assess whether the wall can be saved before we cut. Plaster and lath can often be dried, treated, and sealed rather than torn out, which saves Woodlawn landlords thousands in demolition and disposal. We got a call from a landlord on East 233rd Street after a tenant reported a musty smell in a second-floor bathroom. Our tech ran moisture mapping and found moisture readings of 28% in the plaster behind the tub. That’s well above the 15% threshold for active mold growth. We set up containment with 6-mil poly, ran HEPA air scrubbers and a Dri-Eaz dehumidifier for 48 hours, applied antimicrobial treatment to the affected plaster and lath, then verified with drying logs before closing the job. The tenant moved back in the same day and the landlord avoided a full wall tear-out.
Clearance Testing and Documentation
Before we pull the containment and call the job done, we verify that moisture levels are below threshold and air samples come back clean. Woodlawn co-op boards and insurance adjusters want paperwork, and we hand it over: moisture logs, photo documentation before and after, and a written scope of work that matches what was actually done. If your insurer needs to speak with someone, we coordinate directly with the adjuster. That’s part of the service, not an add-on.
Trusted Brands We Service in Woodlawn
Our equipment is the same professional-grade gear used on commercial loss sites: Dri-Eaz dehumidifiers, Phoenix air movers, and XPOWER air scrubbers. We also work under IFA standards, which matter in older buildings where drying targets are harder to hit. We stock replacement filters, HEPA bags, and antimicrobial supplies in our local equipment cache so Woodlawn jobs don’t stall waiting on a shipment. That means faster containment and faster clearance. When our crew arrives in Woodlawn, everything they need for the first 72 hours of mitigation is already on the truck.
Common Mold Remediation Problems We See in Woodlawn Homes
- Painted-over mold in rental units. Landlords on Woodlawn’s older multifamily blocks often paint over mold rather than fixing the unvented bathroom exhaust. It comes back in weeks because the moisture source was never addressed, and the paint just traps moisture against the plaster and makes the problem worse underneath.
- DIY bleach treatments on plaster. Bleach on original plaster walls spreads spores into adjacent rooms because the porous lath stays wet long after the surface dries. We’ve walked into Woodlawn apartments where a single bathroom mold problem became a three-room job after a homeowner tried to scrub it with bleach and a sponge.
- Cross-contamination during uncontained demolition. Contractors who skip containment in Woodlawn’s tight pre-war floor plans end up cross-contaminating hallways and neighboring units during demolition, turning a one-room job into a building-wide scope of work. We always contain first, then cut.
- Moisture trapped behind tile in unvented bathrooms. Many Woodlawn bathrooms have no working exhaust at all, or the fan vents into the ceiling cavity. The shower steam condenses inside the wall cavity, and mold grows behind the tile line for months before you smell it. By the time you see the dark staining, it’s usually in the lath.
Pricing for Mold Remediation in Woodlawn, NY
Here’s what you can expect to pay for Mold Remediation in Woodlawn. A small bathroom treatment runs $800 to $2,400. A single-room plaster wall remediation with containment and drying equipment lands between $2,500 and $4,500. A full apartment treatment across multiple rooms can reach $6,500 or more, especially when the mold has extended into floor joists or behind kitchen cabinetry. What moves the price: how far the mold has spread behind the plaster, whether ceilings are involved, whether containment must seal off hallways or stairwells, and whether drying equipment needs to run for more than 48 hours. We always put the price in writing before any work starts, and every job includes our 365-Day Done Right Promise and a free second visit if the repair fails. Call (940) 466-4354 for a free estimate and a live person will answer.
We Also Serve Cities Near Woodlawn
Our Woodlawn crews regularly take calls from adjacent neighborhoods across the borough line. We serve Brooklyn, Queens, Manhattan, and The Bronx with the same live-answer dispatch and written pricing. If you own or manage a building in Woodlawn but have units or family property in those areas, one call covers it.
Serving Woodlawn, NY - Our Local Coverage Area
We’re based in the Woodlawn 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 Woodlawn
Mold can begin colonizing plaster and lath in 48 to 72 hours after a leak, even if the surface feels dry. Woodlawn’s pre-war walls are built with wood lath strips behind the plaster, and that wood holds moisture long after the plaster face dries. The warm, enclosed wall cavity speeds up growth, and because Woodlawn apartments often have no cross-ventilation, humidity stays trapped. If you’ve had a leak, don’t wait to see staining. Call (940) 466-4354 and we’ll run moisture mapping before mold becomes visible.
Many Woodlawn bathroom walls can be saved, because plaster and lath can often be dried, treated, and sealed instead of demolished. We make that call based on moisture readings, not assumptions. If the lath has softened or rotted, partial tear-out makes sense. But if readings are below 28% and the lath is still sound, we dry it with a Dri-Eaz dehumidifier, treat it with antimicrobial, and verify with clearance testing. We show you the numbers either way. For an exact recommendation, call (940) 466-4354.
Yes, in most cases. Calls before noon can usually get a technician on site the same day, and we bring containment and drying equipment on the truck so mitigation starts immediately. Not every Woodlawn job finishes in one day. Anything behind plaster needs drying time, often 48 hours with equipment running. But the urgent part, stopping the spread and setting containment, starts the day you call. A live person answers 24/7 at (940) 466-4354.
It starts with containment so spores don’t spread through hallways and adjacent units. Then we run moisture mapping to find every affected surface, including inside walls and under floors. We install HEPA air scrubbers and dehumidifiers from Dri-Eaz or XPOWER, remove any unsalvageable material, and treat the remaining plaster and lath with antimicrobial. We dry until moisture readings drop below 15%, then run clearance testing and hand you photo documentation and drying logs for your co-op board or insurance adjuster.
Almost certainly yes. Woodlawn co-op boards and property managers typically want proof of professional remediation, including moisture logs, containment photos, and a written scope of work. We provide all of that as standard on every job. If your insurer needs documentation, we coordinate directly with the adjuster. You get before-and-after photos by text, a digital invoice, and a written 365-Day Done Right Promise. Call (940) 466-4354 to schedule an assessment.
Written by Blake Sorensen, Owner at Wendell Water Damage Restoration, serving Woodlawn with fast, documented mold remediation since 2006.






Before
After
Before
After
Before
After