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 Storm Damage Restoration Across Hollis
Storm damage in Hollis rarely announces itself politely. A July downpour backs the combined sewer up through your floor drain, and within an hour your finished basement is holding six inches of Category 3 water over paneling that was already hiding mold from a flood two years ago. We respond to Hollis calls the same day, usually within 60 to 90 minutes, because we know the difference between a basement that just got wet and one that has been quietly failing for decades. Call (910) 613-6568 and a live person answers, no voicemail, no chatbot. We’ll tell you who is coming to your door, by name and photo, before the truck rolls.
Why Marsh Water Damage Restoration Is Hollis’s Preferred Storm Damage Restoration Company
Hollis homeowners do not need a general contractor who also does water damage. They need a crew that understands why a basement on 191st Street floods differently than one on Jamaica Avenue, and why the finished paneling on a 1930s semi-detached brick two-family will wick water 18 inches up the wall while the slab still looks dry. Our Storm Damage Restoration team has worked block after block across Hollis, Queens Village, and Cambria Heights long enough to know that the problem is rarely the storm itself. It’s the low-lying glacial outwash plain underneath the neighborhood, the near-flat topography that refuses to drain, and NYC’s aging combined sewer system that surcharges backward into the lowest point of your house, which is almost always the basement.
Every technician who walks your property is background-checked, identity-verified, and sent to you by name and photo before arrival under our Threshold Verified standard. They show a photo ID badge at the door, every time. That matters in a neighborhood where homeowners, often home alone or with young children, are already uneasy about opening the door to a restoration crew they have never met. Led by Tobias Reyner, our field teams carry IICRC, RIA, and IFA credentials and run commercial-grade extraction and drying equipment from Phoenix, XPOWER, and Injectidry. The same gear you’d see on a high-rise commercial loss, applied to a Hollis basement.
And every job, without exception, gets a written price before any work starts. Not an estimate that balloons after demo begins. A printed, itemized scope of work with a 365-Day Done Right Promise stamped on it. If the repair is not right within a full year, we make it right, and the free second visit is automatic, never something you have to argue for.
Flood Cleanup in Hollis
Flood Cleanup in Hollis means something specific: removing sewage-surcharged water from a finished basement that sits at or near the local water table, then drying a structure built with original plaster and early cast iron drain stacks that hold moisture far longer than modern drywall. The work starts with standing water extraction, then moves to containment, antimicrobial treatment when the water goes Category 3, and structural drying with moisture mapping, not guesswork. A typical Hollis flood cleanup runs $1,800 to $4,200 before drying equipment is set, depending on the square footage of the affected finished space and whether sewage is present.
Containment and Pack-Out
We contain the affected area with negative air pressure and poly barriers before any demolition starts. On a finished Hollis basement, that prevents mold spores from traveling through the rest of a two-family home, which is exactly what happens when a crew skips this step and starts pulling wet paneling.
Moisture Mapping the Plaster
Psychrometric readings, measuring the moisture in the air and in the wall cavities, tell us when the structure is genuinely dry, not just dry on the surface. In a 1930s Hollis home with original plaster over brick, the plaster can hold water for days after the air reads dry. We map it, document it, and dry it on the plaster’s schedule, not the dehumidifier’s.
Flooded House in Hollis
A Flooded House in Hollis is almost never a one-time event. The staining lines on a foundation wall often climb three or four different heights from three or four different storms, and each line represents a loss the homeowner may or may not have filed. When we scope a flooded house here, we document pre-loss condition on every layer: the current flood, the previous flood, and any mold that predates both. That documentation is what your adjuster needs for a repeat-loss claim, and it is what separates a defensible insurance file from a denied one. A flooded house cleanup in Hollis, with extraction, antimicrobial treatment, drying, and basic finish demolition, typically runs $4,500 to $9,800 depending on the size of the finished basement and the extent of sewage contamination.
Sewer Surcharge and Category 3
When a combined sewer reverses up through a floor drain, the water is Category 3 the moment it enters, which is the classification for grossly contaminated water carrying sewage and pathogens. That changes the cleanup protocol completely: full PPE, extraction, removal of porous materials, antimicrobial treatment, and documentation of the contamination source for your carrier.
Opening the Walls for the Adjuster
We got a call on a semi-detached brick two-family off Hollis Avenue after a July downpour pushed the combined sewer back up through a basement floor drain, and the finished paneling was already wicking water 18 inches up the wall. Our techs ran water extraction on the standing sewage, moisture-mapped the slab and the original plaster behind the paneling, and pulled the bottom courses because the water had gone Category 3 the moment it reversed through the drain. When we opened the wall we found mold colonies from an earlier flood the homeowner had never remediated, so the scope of work documented pre-loss condition on both events for the adjuster. It was not one flood. It was two, stacked on top of each other, and that distinction changes everything about what insurance will cover.
Trusted Brands We Service in Hollis
We service and deploy equipment from the brands restoration professionals trust: Phoenix dehumidifiers, XPOWER air movers, and Injectidry wall-drying systems. When a Hollis homeowner needs specific components or a particular drying setup for a 1930s plaster-walled basement, we know the equipment inventory on our trucks and can dispatch same day from our New York City coordination office. You will not wait for a national franchise to transfer a dehumidifier from another borough. Our crews carry what a Hollis basement needs, and they know how long original plaster and cast iron stacks actually take to dry.
Common Storm Damage Restoration Problems We See in Hollis Homes
- Layered, multi-year staining lines on foundation walls. Hollis basements flood repeatedly, and each event leaves a watermark at a different height. We document every line, because each one represents either a prior claim or a prior loss you did not file, and both matter to your adjuster now.
- Sewage-surcharged Category 3 water over pre-existing mold. Crews who treat a Hollis backup as a clean Category 1 storm loss skip the antimicrobial treatment. Then the mold that was already there from an earlier flood blooms again, and the homeowner gets sick and the claim gets complicated.
- Structural drying that stops too early on original plaster. 1920s to 1950s plaster over brick holds moisture long after gypsum drywall would have released it. A tech who sets air movers and a dehumidifier without moisture mapping the plaster will declare the structure dry days before it actually is.
- No containment on finished basements in two-family homes. Opening wet paneling without negative air pressure sends mold spores up through both units. By the time the owner of the second floor smells it, the contamination has spread through the shared stairwells and duct runs.
Pricing for Storm Damage Restoration in Hollis, NY
Flood cleanup in Hollis with standing water extraction and drying equipment runs $1,800 to $4,200 depending on square footage and contamination level. A full flooded house response with sewage-surcharged Category 3 water, antimicrobial treatment, containment, and finish demolition typically lands between $4,500 and $9,800. Bigger finished basements with multiple rooms, built-in storage, and finished ceilings fall above that range, especially when pre-existing mold from earlier floods must be remediated. What changes the price most is whether the water came up through a floor drain, sewage is present, the age of the plaster and paneling, and how many prior flood events the walls show. Every Hollis job gets a written price before work starts. Call (910) 613-6568 for a free on-site estimate with a line-item scope, not a ballpark.
We Also Serve Cities Near Hollis
Beyond Hollis, our Storm Damage Restoration in Hollis crews cover Queens Village, Oakland Gardens, Cambria Heights, and Fresh Meadows. If you’re in any of those neighborhoods and your basement backed up in the latest storm, the same Threshold Verified team responds, with the same written price and the same 365-Day Done Right Promise.
Serving Hollis, NY - Our Local Coverage Area
We’re based in the Hollis 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 Storm Damage Restoration in Hollis
Your basement floods because Hollis sits on a low-lying glacial outwash plain with a naturally high water table, and NYC’s combined sewer system backs up into the lowest point of your house during even moderate rainfall. It is not the storm’s intensity that matters; it is the sewer’s capacity, and in southeastern Queens that capacity has been exceeded for decades. When the sewer surcharges, it reverses up through your floor drain, and your finished basement becomes the overflow valve. Call (910) 613-6568 after any backup, even a small one, because what you see is rarely the first event.
Yes, and it changes the drying schedule significantly. Original 1920s to 1950s plaster over brick holds moisture far longer than modern drywall, so our technicians take psychrometric readings, measuring moisture in the air and wall cavities, and dry on the plaster’s schedule, not a generic timetable. Cast iron drain stacks also retain water and cool the surrounding wall, which slows evaporation. We account for both when we set the drying plan, which is why cookie-cutter drying charts fail in Hollis basements.
Within 24 to 48 hours, because mold colonization begins that fast in a warm, finished basement with original plaster and minimal vapor barriers. In a Hollis two-family home, waiting means the mold spreads through the shared air and the paneling wicks water farther up the wall. Call us the moment you see standing water; we respond to most Hollis addresses within 60 to 90 minutes and start extraction the same day.
It depends heavily on how the prior losses were documented. If the earlier floods were never remediated and the damage was never documented for the carrier, the adjuster may attribute the current damage to pre-existing conditions and deny parts of the claim. We document pre-loss condition on every wall, including staining lines from prior events and mold that predates the current loss, so your file reflects exactly what happened and when. That documentation, plus photos and moisture maps, is what makes a repeat-loss claim defensible. Call (910) 613-6568 and we’ll walk you through what we need to document before you file.
Category 3 water is grossly contaminated water carrying sewage, pathogens, and bacteria, and in Hollis it almost always enters when the combined sewer reverses up through a floor drain. Cleanup requires full PPE, extraction of the standing water, removal of porous materials like paneling and carpet, antimicrobial treatment on every affected surface, and containment to stop spores and contaminants from spreading through the rest of your home. We handle it as a sewage loss, not a clean-water storm loss, because in this neighborhood that is exactly what it is. Call (910) 613-6568 for an exact quote; estimates are free.
Written by Tobias Reyner, Owner at Marsh Water Damage Restoration, coordinating storm damage response for Hollis homeowners since founding the Threshold Verified standard in 2005.






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