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 & Disaster Restoration Across Park Slope
Storm damage in Park Slope doesn’t wait for business hours, and neither do we. A stalled nor’easter can push Gowanus Canal water into garden-level apartments on the lower western blocks within hours, and a wind-torn brownstone roof starts wicking moisture into horsehair plaster before the rain stops. DryMark Restoration dispatches crews to Park Slope from our New York City office with live phone coverage 24 hours a day, 7 days a week. When you call (629) 213-4606, a person answers. We arrive with written pricing before any work begins, and we document every visit with photos. That’s how restoration should work in a neighborhood where the housing stock predates modern waterproofing by a century.
Why DryMark Restoration Is Park Slope’s Preferred Storm & Disaster Restoration Company
Park Slope homeowners measure trust by what a company can show them. We show documentation. Alicia Brennan founded DryMark in 2011 after working as a claims adjuster, and she built the company around the exact gap that costs homeowners their insurance payouts: incomplete records. Every Park Slope job we take gets a written scope before work starts, a photo record on every visit, and a daily drying log that turns a restoration invoice into a claim an insurer will pay without a fight.
Our crews know the neighborhood’s building science. We treat brownstone garden-level sump pump failures as a recurring condition on blocks approaching 4th and 5th Avenues, not a one-off. We understand that shared masonry party walls wick water into adjoining units. And we know that the Park Slope Historic District changes what materials can be removed and replaced after a loss. That local knowledge is not marketing copy. It is the difference between a claim that closes and a stop-work order.
Every one of our 12,000+ restored homes since 2011 received a written price before work started, and every one of them had a documented record when the crew left. That’s our standard. We call it The Haven Standard, and it’s stamped on every job we do in Park Slope.
Our Storm & Disaster Restoration Services in Park Slope

Emergency Board-Up
A broken window or door on a Park Slope brownstone after a storm is not a weather opening. It’s a liability. Boarding up a street-level entry on 5th Avenue or 7th Avenue means securing an opening that faces both weather and pedestrian traffic. We dispatch to Park Slope with wind-rated board-up materials and document the condition before and after with photos. Our board-up work includes wind-load calculations for the neighborhood’s exposed ridge-to-canal wind tunnel, because a board-up that fails during the next gust front causes secondary interior damage. That secondary damage is exactly what insurers scrutinize.
Storm Damage Cleanup
Storm damage cleanup in Park Slope starts with a room-by-room moisture reading and a written scope. We identify the affected square footage, classify the water category, and name the materials involved: saturated horsehair plaster on a party wall, water-logged wide-plank oak flooring, buckled door frames on a garden-level entry. Then we quote it in writing. Cleanup includes removing standing water, setting up professional-grade drying systems from Dri-Eaz and Phoenix, and documenting moisture readings daily until the structure reaches dry standard. No shortcuts, no scope creep.
Flood Damage Restoration
Floodwater in Park Slope carries different risks depending on elevation. On the blocks approaching the Gowanus Canal, floodwater may carry industrial contaminants from the federal Superfund site, which elevates the loss to a Category 3 black-water scenario requiring full containment and antimicrobial treatment before structural drying. On higher blocks near Prospect Park, floodwater is typically Category 1 or 2, but it still saturates the same plaster walls, original trim, and shared party walls. We treat each flood by its actual water classification, not by its zip code, and we document that classification in writing for your adjuster.
Roof Tarping
A wind-damaged brownstone roof needs tarping that will hold through the next front coming off Prospect Park. Our crews secure tarps with wind-load calculations specific to the building’s exposure, and we photograph every seam and anchor point. A rushed tarp job on a Park Slope roof fails. Ours are documented and warrantied under our 365-Day Done Right Promise: if it’s not done right, we make it right.
What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
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AfterTrusted Brands We Service in Park Slope
Park Slope’s housing stock is not a modern construction site. It’s Victorian-era brownstone and limestone row houses built between 1880 and 1920, split into multi-family configurations, with original wide-plank floors and shared masonry party walls. We service the equipment and materials those buildings require, and we stock parts for the specific storm damage patterns we see here. Our drying systems from Dri-Eaz, Phoenix, and B-Air are deployed to IICRC and RIA standards, and every unit’s performance is logged daily. When we dry a brownstone party wall, we use Injectidry systems for the deep cavity drying that plaster-and-masonry construction demands. We don’t bring apartment-building equipment to a row house, and we don’t bring row-house assumptions to a multi-family garden-level unit.
Common Storm & Disaster Restoration Problems We See in Park Slope Homes

- Recurring sump pump failures on lower western blocks: The grade from the Prospect Park ridge channels stormwater directly against brownstone foundations on streets approaching 4th and 5th Avenues. We treat every post-loss inspection here as a preventive drainage assessment, because the next stalled storm floods the same garden-level unit again.
- Water-damaged horsehair plaster and lead paint triggers: Most Park Slope walls predate drywall. Removing soaked plaster requires lead-safe protocols, and the Park Slope Historic District restricts replacements. Technicians who skip this step trigger stop-work orders and abatement delays.
- Gowanus Canal back-surge contamination: During major nor’easters, the canal can overflow into surrounding streets, carrying industrial contaminants into the lowest blocks. That water is not standard storm water. It requires hazmat-level remediation protocols and a written water classification.
- Wind-load failures on brownstone roof tarps and board-ups: The exposed ridge-to-canal wind tunnel creates gust patterns that tear through rushed tarp jobs. We calculate wind loads before securing any temporary covering, because a failed tarp causes secondary interior damage that insurers will challenge.
Pricing for Storm & Disaster Restoration in Park Slope, NY
We Also Serve Cities Near Park Slope

DryMark Restoration serves storm and disaster restoration clients throughout New York City, including Brooklyn, Queens, and Manhattan. Our Storm & Disaster Restoration team handles everything from emergency board-up to full flood mitigation across the metro area. For Park Slope homeowners, we are local, dispatched from our New York City office, and deeply familiar with the neighborhood’s brownstone building science and landmark permit requirements. See our Park Slope service area page for more on local response times.
Serving Park Slope, NY - Our Local Coverage Area
We’re based in the Park Slope 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 - Storm & Disaster Restoration in Park Slope

Why do garden-level apartments on the lower blocks of Park Slope flood so often during storms?
The grade change from the Prospect Park ridge channels stormwater downhill toward the Gowanus Canal, and on blocks approaching 4th and 5th Avenues, runoff collects directly against brownstone foundations. When a major storm stalls over Brooklyn, sump pumps in garden-level apartments are overwhelmed by the volume, and water enters through floor drains, foundation cracks, and window wells. We treat these as a recurring condition, not a one-time emergency. A preventive drainage assessment after every loss identifies whether the sump pump, drain lines, or exterior grading need correction before the next storm. Call (629) 213-4606 to schedule an assessment, with a written price before work starts.
When the Gowanus Canal backs up during a nor’easter, does that change how you handle the water in my basement?
Yes. Floodwater that backs up from the Gowanus Canal may carry industrial contaminants from the federal Superfund site, which classifies the water as Category 3 black water. That changes the entire remediation protocol: full containment, antimicrobial treatment, and disposal of saturated porous materials. We identify the water category in writing before any structural drying begins, and we document it for your insurance claim. Call (629) 213-4606 immediately if you see canal water in your garden-level apartment, and we will dispatch a crew from our New York City office.
My brownstone has original horsehair plaster that got soaked in a storm. Can it be dried, or does it have to be removed?
Horsehair plaster can often be dried and saved, but it depends on the extent of saturation and whether the plaster has delaminated from the lath behind it. If the plaster is still structurally sound, we use Injectidry systems to dry behind the plaster without removing it. If the plaster has collapsed or the water brought contaminants, removal may be necessary, and in the Park Slope Historic District, removal and replacement are subject to landmark guidelines and lead-safe abatement protocols. We document every moisture reading and material condition so your adjuster sees exactly what was saved and what was removed. Call (629) 213-4606 for a free assessment with written pricing.
Do I need a permit to replace a storm-damaged door with a wind-rated or impact-rated model in Park Slope?
In most cases, yes. Replacing a door on a Park Slope brownstone within the Historic District requires Landmarks Preservation Commission approval, and wind-rated or impact-rated models must meet both the district’s material guidelines and New York City building code requirements for wind exposure. We handle the documentation and coordinate with the LPC as part of the restoration scope, and we write the permit process into your estimate so there are no surprises. Call (629) 213-4606 to review your storm-damaged door and get a written scope that includes the permit process.
How fast do I need to call for water extraction after a roof leak or window blow-in during a storm?
Within the first 24 hours, ideally sooner. Water from a roof leak or window blow-in begins wicking into plaster, flooring, and framing immediately, and in Park Slope’s brownstone construction, that means shared party walls, original wide-plank floors, and horsehair plaster, all of which absorb water rapidly and dry slowly. The longer water sits, the higher the risk of mold, delamination, and structural damage that insurers classify as secondary loss and may challenge. Call (629) 213-4606 as soon as you see water. A live person answers 24 hours a day, and our crew will arrive with a written price before any work begins.
Written by Alicia Brennan, Owner at DryMark Restoration, serving New York City since 2011.






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