Water damage drying
Fire & smoke cleanup
Mold remediation
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 Water Damage Restoration Across Uniondale
If water is rising in your Uniondale basement or spreading across a kitchen floor, the first call should be to a crew that knows this town’s houses and how they flood. Water damage restoration in Uniondale usually means one of two things: a sump pump that gave out during a nor’easter, or a burst pipe in a home with original 1950s plumbing. Either way, extraction needs to start within hours, not days. We answer live, 24/7, at (516) 559-4877, and our technicians know the difference between a Uniondale split-level’s wet basement and a slab home’s slab leak. Call us and a real person picks up.

Why Tidemark Water Damage Hempstead Is Uniondale’s Preferred Water Damage Restoration Company
We are the independently owned and operated arm of the Cedarwell Care Promise network, built on one standard: written price first, pet-safe products, and a 365-Day Done Right Promise that national franchises don’t match. Led by Rick Sumner, our crews serve Uniondale directly, coordinated from the brand’s New York City office. We know the housing stock here: post-war single-family homes with basements, original plumbing, and sump pumps that run all night after heavy rain near the Meadowbrook Parkway.
The name Tidemark matters on jobs like these. A tide mark is the line water leaves on a wall. It’s the first thing our technicians look for on every job. We don’t guess where water traveled. We map it, find the line it left, and dry past it. Homeowners tell us in follow-up calls that the thing they appreciated most wasn’t the speed. It was that we explained what we’d protect, covered the floors before the first piece of equipment came in, and left them a photo of the clean-up before we drove away. That’s the C.A.R.E. code: clean up like it’s our own home, ask before we move anything, respect quiet hours, and explain the price before the work.
Our response time to Uniondale is built around the reality of this town’s water table. When a nor’easter hits and runoff from the Southern State Parkway pushes into basements, every hour matters. We stage equipment locally and dispatch to Uniondale addresses promptly. Technicians arrive in uniform, background-checked, with shoe covers and drop cloths already on the truck. Not as an upsell. As a standard step.
Restoration work we handle






Water Mitigation in Uniondale
Water mitigation in Uniondale is the process of stopping the spread of water damage after a sump pump failure, a burst pipe, or a roof leak, and it’s the most common first call we take in this town. The job involves extracting standing water, setting up professional drying equipment, and applying antimicrobial treatment where water has sat long enough to change category. A typical water mitigation job in Uniondale runs between $1,800 and $4,200, depending on how far water has traveled and how long it has been sitting. You see the written number before any work starts.
What We Protect First
Shoe covers go on at the door. Drop cloths cover the floor before the first piece of equipment comes in. We ask before moving furniture or personal items, and we name what’s being protected as we work: the carpet you just had cleaned, the irreplaceable family photos on the low shelf, the baseboards your kids painted. If water has wicked into original plaster walls from the 1950s, which Uniondale homes often have, we map the moisture before cutting anything.
Drying the Space, Not Just the Surface
Uniondale’s humid summers mean structural drying requires more than a fan in the corner. We pair LGR dehumidifiers from Dri-Eaz and Phoenix with air movers matched to the cubic footage of the room. Daily drying logs show moisture readings trending down. The goal is to dry past the tide mark, not just to the visible edge of the water. That’s how mold is prevented in a home that sits above a high water table.
Flooded Basement in Uniondale
A flooded basement in Uniondale often starts the same way: the sump pump runs constantly after a heavy rain, the water table rises, and at some point the pump can’t keep up. Water that starts as clean groundwater becomes category 2 grey water within hours, especially in older basements with floor drains that back up. A typical flooded basement extraction in Uniondale runs between $2,200 and $5,800, with the final number driven by how much water entered, how far it wicked, and whether antimicrobial treatment is required. The written quote comes before anything else.
When the Pump Can’t Keep Up
Homes near the Meadowbrook Parkway sit close enough to the water table that sump pumps run continuously after a storm. Waiting for the pump to “catch up” is the most common mistake we see. The pump doesn’t catch up. The water keeps coming, and the longer it sits, the more it soaks into drywall, baseboards, and anything stored on the floor. Call early. The phone is answered by a live person who can talk through what you’re seeing and tell you whether a crew should roll now.
What We Do in the First Hour
Our first hour in a Uniondale flooded basement is about triage. We locate the source, shut off water if it’s still flowing, and begin extraction with truck-mounted or portable extraction units. Then we set a containment perimeter and start mapping moisture in the walls. In 1950s and 1960s basements, original plaster and lath hide water in wall cavities that visual inspection misses. Moisture mapping finds it. One of our field examples from last March: after a nor’easter pushed Meadowbrook Parkway runoff into a 1950s split-level off Hempstead Turnpike, our crew arrived to find the basement sump overwhelmed and two feet of category 2 water. We mapped wicking up the original plaster walls, set up a Dri-Eaz containment perimeter, and ran air movers with dehumidification for five days, pulling daily drying logs until moisture readings matched pre-loss condition. That saved the homeowner from a full drywall tear-out we might have done by guesswork.

Trusted Brands We Service in Uniondale
Homeowners in Uniondale don’t call us because they own a particular brand of water heater or sump pump. They call because water is where it shouldn’t be. That said, we stock and service a wide range of equipment found in Uniondale homes, including Zoeller and Wayne sump pumps, Rheem and Bradford White water heaters, and Goulds and Liberty pumps. For drying, our technicians work with Dri-Eaz dehumidifiers, Phoenix air movers, and Injectidry systems for drying wall cavities and under hardwood. Our RIA and IFA credentials cover the restoration side, and our technicians’ IICRC training covers the standards. If your pump failed or your water heater burst, we can talk through replacement options as part of the overall restoration, and we keep common parts staged for faster turnaround on Uniondale jobs.
See the difference
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After
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AfterCommon Water Damage Restoration Problems We See in Uniondale Homes
- Sump pumps overwhelmed by the water table near the Meadowbrook Parkway. After any heavy rain, these pumps run for hours. When they fail, the basement floods fast because the water table is already high. Continuous inflow means what started as clean water turns to grey water quickly, which changes the antimicrobial scope.
- Original 1950s and 1960s plumbing that hasn’t been updated. Galvanized pipes corrode from the inside, joints weaken, and a burst pipe in an unfinished basement can run for hours before anyone notices. We see this pattern repeatedly in Uniondale’s post-war housing stock.
- Moisture hidden in plaster and lath walls. Uniondale homes from the 1950s and 60s often have original plaster over wood lath. Water wicks into the wall cavity and hides there. Without moisture mapping, you don’t know it’s wet until mold shows up 48 hours later.
- Humid late-summer storms that slow drying. Uniondale’s August humidity means structural drying takes longer unless the dehumidification is matched to the room’s cubic footage. Undersizing the drying equipment turns a three-day dry into a seven-day dry with a bigger bill at the end.
Pricing for Water Damage Restoration in Uniondale, NY
Let’s talk numbers, since most Uniondale homeowners want a real range before they invite a crew in. Water mitigation, from first extraction through drying, typically runs $1,800 to $4,200 in Uniondale. A flooded basement that requires full extraction, antimicrobial treatment, and structural drying runs $2,200 to $5,800. Burst pipe restoration, depending on how far water traveled and whether ceilings or walls need opening, runs $1,600 to $4,900. A ceiling or roof leak that soaked through drywall and insulation before you noticed runs $1,200 to $3,400. These ranges reflect Uniondale’s housing stock and the high water table context. The exact number depends on square footage, how long water sat, and whether materials need to be removed. You get that written number before we start. Free estimates are always available at (516) 559-4877. Rick Sumner leads the team and stands behind the 365-Day Done Right Promise: if it’s not done right, we make it right.
We Also Serve Cities Near Uniondale
Tidemark Water Damage Hempstead serves the communities around Uniondale as well, including Uniondale and nearby Hempstead, Roosevelt, Merrick, and Bellmore. If you’re in one of these towns and dealing with water damage, the same Water Damage Restoration standards apply: written price first, pet-safe products, background-checked crews, and a photo of the clean-up before we leave.
Serving Uniondale, NY - Our Local Coverage Area
We’re based in the Uniondale 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 Water Damage Restoration in Uniondale
Mold can start within 48 hours in a flooded Uniondale basement, and faster if the water is category 2 grey water from a backed-up floor drain or continuous groundwater inflow. Uniondale’s post-war basements sit just above a high water table, so the water that enters during a nor’easter is rarely clean. The 48-hour window means extraction and antimicrobial treatment need to happen before mold has a chance to establish in drywall, baseboards, and wall cavities. Call (516) 559-4877 as soon as you see standing water, and we’ll talk through what you’re looking at before you commit to anything.
No. Water that comes up through a floor drain in Uniondale is category 2 grey water, not clean water. It may contain detergent residue, soil, and bacteria from the drain line. In homes near the Meadowbrook Parkway, continuous groundwater inflow through an overwhelmed sump pump also shifts from category 1 to category 2 within hours because it picks up whatever it contacts along the way. That classification changes the restoration scope: antimicrobial treatment becomes a standard part of the job, not an add-on. We’ll explain the difference and show you the written scope before anything starts.
The water table in Uniondale is high, especially in the neighborhoods closest to the Meadowbrook Parkway and Hempstead Turnpike. Your sump pump doesn’t just handle rainwater. It also manages groundwater that rises and falls with the water table. After a period of sustained rain, even a light drizzle can keep that groundwater pushing up into your sump pit, running the pump for days. If the pump is aging, undersized, or the discharge line is blocked, the basement floods even on a cloudy afternoon. Homes built in the 1950s and 60s often have sump pits that are too small for today’s rainfall patterns. We can assess your pump’s capacity as part of any restoration call.
Water damage restoration itself, meaning extraction, drying, antimicrobial treatment, and demolition of damaged materials, typically does not require a permit in Uniondale. The rebuild phase, like replacing drywall, electrical, or plumbing that was damaged, may require permits from the Town of Hempstead’s building department. We’ll tell you clearly what falls under restoration and what falls under reconstruction, and we’ll coordinate with the right people for permit questions. The restoration work is about stopping the damage and drying the structure. The rebuild is what comes after. Both should be scoped separately, in writing.
It’s possible. Homes built in Uniondale in the 1950s and 60s often contain materials like asbestos-wrapped pipes, asbestos-containing floor tiles, or lead-based paint under newer layers. If restoration work requires cutting into walls, removing flooring, or disturbing original plumbing, those materials could be exposed. A qualified restoration crew will identify likely asbestos-containing materials before cutting and recommend testing if there’s uncertainty. We never cut first and ask questions later. The sequence is: assess, test if needed, contain, then restore. If your home has original 1960s finishes, we’ll talk through this before any demolition begins.
Water damage in Uniondale moves fast, and so do we. Call (516) 559-4877 any hour, any day. A live person answers. We’ll ask a few questions, tell you what we think is happening, and get a crew out with a written price before any work starts. Shoe covers on, drop cloths down, photo of the clean-up before we leave. That’s how it’s done here.
Written by Rick Sumner, Owner at Tidemark Water Damage Hempstead, serving Uniondale and the surrounding communities.