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 Staten Island
Mold remediation in Staten Island typically costs $1,800 – $4,500 for a basement or crawl space job, and most projects are completed in 3 – 7 days once containment is set. If you called us today, we’d have a background-checked technician at your door with a live arrival time you can track, a moisture map in hand, and a written price before any tool comes off the truck. We know that mold in a Staten Island home rarely announces itself with a visible patch. It starts as a musty smell in the finished basement, a damp spot behind the laundry, or a bathroom ceiling stain that keeps bleeding through fresh paint. That’s the mold we find and fix, and we’ve been doing it since 2006 under IICRC, RIA, and IFA standards. Call (940) 466-4354 and a live person answers, 24/7.
Why Wendell Water Damage Restoration Is Staten Island’s Preferred Mold Remediation Company
Staten Island homeowners call us because we answer the phone and tell them the truth about what’s actually going on in their walls. Our Mold Remediation team has walked hundreds of basements from St. George to Tottenville, so when we pull up to your house, we already know what the water table, the block walls, and the pre-war construction are likely hiding. We don’t do vague estimates or four-hour windows. You get a written price before work starts, a digital invoice texted to your phone, and before-and-after photo updates as the job progresses. That’s The Relay Standard, and it’s backed by our 365-Day Done Right Promise in writing on every job. If it’s not done right, we make it right. No arguments.
We’re independently owned and operated as part of the Relay Home Co. family, founded in 2006. Crews serving Staten Island are dispatched and scheduled from the brand’s New York City office. Every technician is background-checked and uniformed, so you know exactly who’s walking through your door before they arrive. On mold jobs, that matters. You’re letting someone into your home while it’s under containment, and you should know their name, their face, and what they’re about to do before they do it.
Mold Removal Contractor in Staten Island
A Mold Removal Contractor in Staten Island does more than scrub visible mold off drywall. The job starts with finding every place moisture has traveled, because on this island, water moves laterally through block cores and along slab edges in ways that don’t show up as obvious stains. We use moisture meters, thermal imaging, and psychrometric readings (tracking the air’s moisture level so we know when your home is truly dry, not just surface-dry) to map the full extent of the problem before we touch anything. Then we set up containment, run HEPA air scrubbers, remove affected materials, apply antimicrobial treatment to the framing, and dry the structure to pre-loss condition. A typical basement mold removal in Staten Island runs $2,200 – $4,000 depending on square footage and how far the moisture has spread.
Containment and Air Scrubbing
We build a 6 mil poly containment around the affected area and run HEPA air scrubbers throughout the job. This keeps mold spores from moving into the rest of your house while we work. It’s the same protocol we’d use on a commercial loss site. Combined with negative air pressure, this step is what separates real remediation from a cosmetic wipe-down.
Structural Drying and Antimicrobial Treatment
After removal, the framing and block walls get treated with antimicrobial agents, then dried with professional equipment from Dri-Eaz, Phoenix, and XPOWER. We don’t guess at dryness. We take psychrometric readings until the numbers say pre-loss condition, then we document everything with photos sent to your phone.
Bathroom Mold Removal in Staten Island
Bathroom Mold Removal in Staten Island is one of our most common calls, especially in co-ops and condos along Hylan Boulevard and Victory Boulevard where ventilation is often original to the building. A bathroom mold job usually means removing and replacing drywall behind tile, treating the framing, and addressing the humidity source so it doesn’t come back. We see this constantly in older apartments with no exhaust fan or a fan that vents into the attic instead of outside. The visible mold on the ceiling is rarely the whole story. Behind that drywall, there’s usually a pocket of moisture that’s been building for months. Bathroom mold removal in Staten Island typically costs $800 – $2,500 depending on whether the tile needs to come out and whether the subfloor is involved.
Ventilation Correction
If the exhaust fan is underpowered, nonexistent, or venting into the wrong place, we’ll tell you before we close anything up. A mold removal that doesn’t fix the airflow is a mold removal you’ll pay for twice. We include a written scope that spells out exactly what we’re doing about the moisture source, not just the mold.
Tile and Subfloor Assessment
When water has been sitting under tile or a fiberglass pan, the subfloor often needs attention. We don’t pull anything out until we’ve given you a written price for what’s actually needed. No surprises at the end. The number on the screen is the number you pay.
Trusted Brands We Service in Staten Island
We run professional-grade restoration equipment on every job, the same gear used on large commercial loss sites. That includes air movers and dehumidifiers from Dri-Eaz, Phoenix, and XPOWER, plus Injectidry panels for drying inside wall cavities without ripping out every stud. For Staten Island customers, that means faster dry times and less demolition. We keep the equipment calibrated and ready, so when we show up in Great Kills or New Dorp, we’re not waiting on a rental yard. The gear rides with us.
Common Mold Remediation Problems We See in Staten Island Homes
- DIY bleach and paint fixes on basement block walls. We see this all the time in New Dorp and Midland Beach. Homeowners scrub the visible surface, slap on some waterproof paint, and the mold returns within weeks because the wet insulation and framing behind the wall were never addressed. Bleach does not kill mold on porous surfaces, and paint over mold is just a lid, not a fix.
- Skipping moisture mapping after a small leak. Because Staten Island’s water table is high, water travels laterally through block cores. A single wet spot on one wall often means hidden saturation 4 – 6 feet away behind finished walls. We have pulled back drywall in St. George and found the real problem three stud bays over from the visible stain.
- Ignoring Category 2 vs. Category 3 water. Storm surge and sewer backups in low-lying shoreline neighborhoods like Oakwood Beach are Category 3 black water. Some crews will dry it in place without containment or antimicrobial treatment, leaving contamination inside wall cavities. A proper mold remediation company in Staten Island treats that water source differently from day one.
- Bathroom mold that keeps coming back. In pre-war apartments and older homes with original ventilation, the mold returns because the moisture problem was never fixed. The mold removal was done, but the airflow wasn’t. If your exhaust fan vents into the attic instead of outside, the mold is growing again before the paint dries.
Pricing for Mold Remediation in Staten Island, NY
Here’s what you can expect in the Staten Island market. Mold inspection and moisture mapping with a thermal camera typically runs $250 – $450. A small bathroom mold removal is $800 – $1,800. Crawl space treatment for mold and humidity control runs $1,500 – $3,500. Full basement remediation with containment, HEPA air scrubbing, removal, antimicrobial treatment, and structural drying is $2,500 – $6,000 depending on square footage and how far moisture has traveled. Every job includes a written price before any work starts, a digital invoice you can pay from a link, and our 365-Day Done Right Promise in writing. If it’s not done right, we make it right. Plus a free second visit if the repair fails. Call (940) 466-4354 for a free estimate. We’ll give you a ballpark on the phone and a written scope once we’ve seen the space.
We Also Serve Cities Near Staten Island
Beyond Staten Island, our mold remediation crews regularly work in Brooklyn, Manhattan, Long Island City, and Ridgewood. If you’re in one of those areas and dealing with mold after a leak, a flood, or years of high humidity, call (940) 466-4354 and we’ll coordinate dispatch from our New York City office.
Serving Staten Island, NY - Our Local Coverage Area
We’re based in the Staten Island 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 Staten Island
Mold can begin growing within 24 to 48 hours in a Staten Island basement, and because the island’s water table keeps block walls damp, it often takes off faster than in drier inland areas. If you see or smell mold after a sump pump failure or a heavy storm, call (940) 466-4354 right away. We can usually get a technician to the island the same day.
The mold keeps coming back because the moisture inside the wall cavities was never removed. On Staten Island, high groundwater wicks up through block cores from the bottom, so the visible mold you cleaned is only the outer edge of a larger moisture problem sitting behind the finished wall. The fix requires professional moisture mapping, containment, air scrubbing, and drying to pre-loss condition, with a written price before we start.
Yes. Floodwater from coastal storms, storm surge, or sewer backups in areas like Oakwood Beach, Midland Beach, and other low-lying shoreline neighborhoods is Category 3 black water. It contains sewage, bacteria, and other contaminants. Treating it requires containment, HEPA air filtration, antimicrobial treatment, and proper disposal of affected materials. A standard dry-out without these steps leaves contamination in your wall cavities.
Yes, we handle bathroom mold removal in co-ops and condos across Staten Island, including older buildings along Hylan Boulevard and Victory Boulevard. We coordinate with building management when needed, work within building hours, and provide written documentation of the scope and the completed work. You get a written price before anything starts.
We use professional-grade equipment from Dri-Eaz, Phoenix, XPOWER, B-Air, and Injectidry on mold remediation jobs in Staten Island. These are the same brands used on large commercial loss sites. We also use Injectidry panels to dry inside wall cavities without tearing out every stud, which saves demo time and money. Call (940) 466-4354 to talk through your situation, get a ballpark over the phone, and schedule a free inspection.
Written by Blake Sorensen, Owner at Wendell Water Damage Restoration, serving Staten Island with written-price mold remediation and water damage restoration since 2006.






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