Mold remediation
Water damage drying
Fire & smoke cleanup
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 Port Washington
Mold remediation in Port Washington typically runs $1,800 to $6,500 depending on how far the growth has spread and whether saltwater flooding was involved. Most jobs in Manorhaven, Soundview, and the Peninsula take two to five days once we’re on site. If you’ve spotted dark patches on drywall, caught a musty smell near the basement stairs, or just watched storm surge from Manhasset Bay soak your finished basement, call (516) 559-6972. We answer live, put the price in writing before any work starts, and send before-and-after photos by text so you can see exactly what was done.
Our Mold Remediation team knows Port Washington’s older colonials and capes, the retrofitted French drains in Manorhaven, and how quickly humidity off Long Island Sound turns a wet basement into a mold problem. We’re a Port Washington mold removal specialist who works to IICRC, RIA, and IFA standards using Dri-Eaz and Phoenix equipment. No vague arrival windows. No price that changes at the door. Just a written scope and a live arrival time you can track.
Why Wendell Restoration Hempstead Is Port Washington’s Preferred Mold Remediation Company
We started in 2006 and every Port Washington job runs on the same three standing rules: a written price before any work starts, a written guarantee on every repair, and a free second visit if the repair fails. That’s the 365-Day Done Right Promise, stated in writing on every single job we take. You’ll also get a digital invoice texted to your phone, so the number on the screen is the number you pay. No surprises, no add-ons, no “we found more damage once we opened the wall” without your written approval first.
Blake Sorensen leads our crews, and every technician who walks through your door in Port Washington is background-checked and in uniform. You’ll know who’s coming before they arrive, with a live arrival time you can track instead of a four-hour window. We serve the whole peninsula: Manorhaven, Baxter Estates, Port Washington North, and the areas around Main Street and Shore Road. When a nor’easter pushes surge into Manhasset Bay, we’re already familiar with the streets that flood first and the basements that hold water longest.
Calls are answered by a live person, 24/7. Not a voicemail. Not a callback queue. Mold doesn’t wait for business hours, and neither do we. Wendell Restoration Hempstead is part of the Relay Home Co. family, independently owned and operated to The Relay Visibility Guarantee: book in a tap, live arrival time, photo updates, price in writing, text invoice.
Restoration work we handle






Mold Removal Specialist in Port Washington
A Mold Removal Specialist in Port Washington handles the physical removal of mold from drywall, framing, insulation, and other porous materials, following IICRC containment protocols so spores don’t spread to unaffected rooms. Most of our Port Washington calls start as what looks like a small patch on a basement wall, then turn into a discovery that moisture has been building behind the drywall for weeks. In coastal homes here, that moisture is often salt-laced, which changes the treatment approach. A typical mold removal job in Port Washington runs $1,800 to $4,500 depending on square footage and whether structural drying is required.
Containment and Physical Removal
Before we touch a moldy surface, we set containment with negative air pressure so spores stay in the affected area. Then we physically remove the growth, bag it, and treat the framing with antimicrobial. In Port Washington’s older pre-war colonials, we often find mold hidden behind wood paneling that was installed decades ago and never inspected.
Antimicrobial Treatment and Clearance
After removal, we apply antimicrobial treatment to surfaces and run Dri-Eaz air movers and Phoenix dehumidifiers until moisture mapping confirms the structure is dry. You get before-and-after photos by text. You get a written scope before we start. And you get the 365-Day Done Right Promise on every job.
Black Mold Removal in Port Washington
Black Mold Removal in Port Washington typically runs $2,200 to $6,500, with the higher end covering finished basements where saltwater flooding sat for days behind drywall. Black mold, or Stachybotrys chartarum, thrives on consistently wet cellulose like drywall, wood paneling, and ceiling tiles. In Port Washington’s coastal homes, the trigger is often a failed sump pump that let Category 3 water sit unnoticed while the homeowner was away. The mold itself appears dark green to black and usually carries a musty, earthy odor.
When Black Mold Requires Full Remediation
If the affected area is larger than about 10 square feet, or if the growth is inside a wall cavity, full containment and material removal is the only responsible option. Painting over it or bleaching surface mold doesn’t address the moisture source. In Manorhaven and other low-lying neighborhoods, we frequently find that the moisture source is salt-corroded drainage that has to be addressed before mold removal even makes sense.
Post-Remediation Verification
Once the mold is removed and the area is dry, we verify with moisture meters and air-quality checks under IFA standards. You get documentation proving the job was done right. That documentation matters when you’re dealing with an insurance adjuster, and we coordinate with them directly so you don’t have to play middleman.
Trusted Brands We Service in Port Washington
We run professional-grade equipment from Dri-Eaz, Phoenix, and XPOWER on every Port Washington mold job, the same brands used on large commercial loss sites. That matters because homeowner-grade fans and dehumidifiers simply can’t pull moisture out of a salt-saturated basement fast enough to prevent regrowth. We keep parts and replacement equipment in local stock for faster turnaround on the peninsula, which matters when you’re watching a water-damaged wall and wondering if mold is already forming behind it. Call (516) 559-6972 and we’ll tell you what equipment we’d deploy before you ever schedule a visit.
See the difference
Before
After
Before
After
Before
AfterCommon Mold Remediation Problems We See in Port Washington Homes
- Salt-corroded sump pumps failing silently after storm surge. In Manorhaven and along the bay-facing streets, cast-iron and even newer pumps corrode from saltwater exposure faster than freshwater flooding would cause. The pump stops working, Category 3 water sits for days, and mold blooms on drywall within 24 to 48 hours.
- French drains clogging with salt residue and sand. Many Port Washington basements were retrofitted with French drains after repeated flooding. But salt from Manhasset Bay leaves mineral residue that clogs the drain and holds moisture high behind baseboards, which is where we find hidden wall-cavity mold.
- Pre-war colonials with outdated basement drainage tied to overwhelmed street drains. On older streets near Shore Road and around the Soundview area, the home’s drainage system was never designed for today’s storm surge levels. Recurrent seepage means mold remediation here is often a recurring job, not a one-time fix.
- Legacy wood paneling trapping moisture against foundation walls. In Port Washington’s older homes, finished basements often have wood paneling installed directly over concrete. When humidity from Manhasset Bay stays high through the summer, that paneling holds moisture and mold grows between the paneling and the wall, where you can’t see it until the musty smell becomes unavoidable.
Pricing for Mold Remediation in Port Washington, NY
Here’s what we quote on Port Washington jobs, in writing, before any work starts. A straightforward mold removal from a small basement area runs $1,800 to $3,200. A full finished-basement remediation after saltwater flooding runs $3,500 to $6,500. Black mold removal in a wall cavity typically runs $2,200 to $4,800. If structural drying is required, add Dri-Eaz and Phoenix equipment charges of roughly $300 to $600 per day. These aren’t estimates pulled from a national price sheet; they’re based on what we actually quote for Port Washington homes, factoring in the saltwater failure patterns we see in Manorhaven and the older housing stock across the peninsula. Estimates are free. Call (516) 559-6972 and we’ll give you a written number before you commit to anything.
We Also Serve Cities Near Port Washington
Beyond Port Washington, our crews cover Jericho, Hempstead, Syosset, and East Meadow, bringing the same written pricing, live arrival times, and before-and-after photos to every job. If you’re a homeowner in any of these communities dealing with mold after flooding or high humidity, call (516) 559-6972. We answer live, 24/7.
Serving Port Washington, NY - Our Local Coverage Area
We’re based in the Port Washington 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 Port Washington
Saltwater flooding requires a different remediation approach because salt crystals stay behind after the water recedes and keep pulling moisture from the air, which means surfaces look dry but aren’t. We rinse salt residue from concrete and framing before drying, then run Phoenix dehumidifiers longer than we would on a freshwater job. If you skip the salt removal, mold typically returns within weeks. Call (516) 559-6972 for a specific assessment of your basement.
Sump pumps in Manorhaven fail after coastal storms because saltwater corrodes the pump motor and impeller far faster than freshwater would. A pump that would last 15 years inland can seize in three to five coastal flood events. The failure is usually silent: the pump simply stops, water rises, and by the time the homeowner notices, the basement has been sitting in Category 3 water for days. Mold grows on drywall within 24 to 48 hours. If you suspect your pump failed after the last storm, call us. We’ll check it as part of the mold assessment.
In many cases, no. Wood paneling that’s been soaked by saltwater almost always has to come out, because the salt and moisture stay trapped between the paneling and the concrete wall even after the visible surface dries. We set containment, remove the affected paneling, dry the framing behind it, and treat the concrete with antimicrobial. In some Port Washington basements, the paneling is the only finished surface that was affected, so the rest of the room can be saved. We can’t tell you which scenario you’re in until we see it, but we’ll give you a written scope either way.
We handle it in two phases. First, we remediate the mold: containment, physical removal, drying, and antimicrobial treatment. Second, we point you to the drainage work that has to happen or the mold will return. In older Port Washington colonials, that often means upgrading a basement drainage system that was never designed for current water levels. We won’t sell you a drainage system we don’t install, but we’ll tell you in writing what needs to change and what it should cost from a qualified contractor. The remediation comes with our 365-Day Done Right Promise regardless.
Black mold is Stachybotrys chartarum, a toxigenic mold that grows on materials that have been wet for extended periods, especially drywall and wood. It’s more common in Port Washington coastal homes because of the flooding pattern: saltwater pushes in, a sump pump fails, and the water sits long enough for this specific mold to take hold. If you see dark green or black patches, or smell a persistent musty odor, don’t disturb the area. Call (516) 559-6972. We’ll assess it, contain it, and give you a written price before anything else happens.
Call Wendell Restoration Hempstead at (516) 559-6972 for a free mold remediation estimate in Port Washington. We answer live, put the price in writing before any work starts, and send before-and-after photos by text. Blake Sorensen and our team are ready to walk you through exactly what your home needs and what it will cost. No phone tag. No vague windows. Just a written scope, a live arrival time, and a guarantee that if it’s not done right, we make it right.
Written by Blake Sorensen, Owner at Wendell Restoration Hempstead, serving Port Washington since 2006.