Basement Waterproofing & Crawl Space Encapsulation in Somers, NY

Rain King Waterproofing provides complete basement waterproofing, French drain installation, crawl space encapsulation, mold remediation, and foundation repair in Somers, NY (10589). Backed by over 40 years of experience and a 100% Lifetime Transferable Guarantee, our certified technicians protect homes near Route 202, Amawalk, Lincolndale, and Purdys against heavy Westchester County clay soil hydrostatic pressure and water damage.

Excess moisture in a Somers basement or crawl space threatens more than comfort. Mold and mildew take hold quickly in older colonial, ranch, and cape-style homes built between the 1960s and 1990s, many of which sit on fieldstone or block foundations poured before modern drainage codes existed. Left unchecked, that moisture weakens framing, drives down indoor air quality, and worsens allergies and breathing problems for anyone inside. Damp basements and crawl spaces near Route 202, in Amawalk, and around Lincolndale also attract termites and rodents, adding a second problem on top of the first.

Rain King Waterproofing has spent more than 40 years solving these exact problems throughout northern Westchester. Our crews handle basement waterproofing, French drain installation, structural repair, and more, all backed by our 100% Lifetime Transferable Guarantee, protection that stays with the house even if you sell it.

Comprehensive Basement, Crawl Space & Foundation Waterproofing Services

We built our service list to protect both Somers homes and the businesses along Route 202:

Investing in professional basement waterproofing protects your property against costly repairs down the road. Each service works toward the same goal: keeping water, mold, and structural damage out of your Somers home or building.

Located in Somers, NY!


Why Choose Rain King Waterproofing?

Somers homeowners tend to hire by reputation and referral rather than lowest bid, and four decades of work across northern Westchester is what keeps neighbors calling us back. 

  • 40+ Years of Experience: Deep expertise solving Westchester County's specific clay soil and foundation problems.
  • 100% Lifetime Transferable Guarantee: On completed work, transferable to a new owner if you sell
  • Local Somers Presence: Located at 7 Maple Rd, Somers, NY 10589, allowing fast response times for local emergencies.
  • Licensed, insured technicians: Fully licensed and insured technicians who repair a single foundation crack or manage a full structural rebuild without subcontracting the job out
Basement Waterproofing & Crawl Space Encapsulation Somers NY - French

Why Clay Soil Makes French Drains Essential in Northern Westchester

Northern Westchester sits on dense glacial clay that drains slowly and swells when it's saturated, pushing hydrostatic pressure straight against foundation walls. In older Somers homes, especially colonials built on fieldstone or block before modern exterior membranes were standard, that pressure finds every gap in the wall. A French drain solves this by installing a perforated pipe inside a gravel-filled trench, giving that water a controlled path away from your foundation instead of through it.

Beyond stopping active leaks, a properly installed French drain reduces the hydrostatic pressure that causes new cracks to form in the first place. For Somers homeowners dealing with a damp basement smell that returns no matter how often they run a dehumidifier, a French drain paired with a sump pump is usually the permanent fix, not a temporary patch.

Basement Waterproofing & Crawl Space Encapsulation Somers NY - crawl

How Do I Prevent Water in My Crawl Space?

Crawl space encapsulation is the most effective way to keep water and humidity out of a Somers crawl space. Many homes throughout Amawalk and Lincolndale were built in a ranch or cape style with a crawl space instead of a full basement. An unsealed crawl space traps ground moisture that rises straight into the living space above through the "Stack Effect". The process seals the crawl space with a heavy 20-mil vapor barrier, closing off ground moisture before it ever becomes an indoor air quality problem.

Encapsulation also controls humidity, which prevents the condensation that leads to mold and wood rot on floor joists. For Somers homeowners, it's a proactive fix: lower energy costs, better air quality upstairs, and a crawl space that no longer feeds moisture into the rest of the house.

Basement Waterproofing & Crawl Space Encapsulation Somers NY - sump

Should I Install a Sump Pump in My Somers, NY Home or Business?

A sump pump makes sense for any Somers property where water collects during heavy rain, whether that's a colonial on a low lot near Route 202 or a commercial basement along the town's business corridor. It pumps water away from the foundation as it collects, preventing the flooding that shows up during spring storms or snowmelt. Homes with a basement below the local water table, or a history of water intrusion after storms, benefit most.

For the retail, office, and mixed-use buildings along Route 202, a sump pump isn't optional equipment; it's what keeps a flooded basement from turning into lost inventory, downtime, or a code violation. We size and install pumps for both single-family homes and commercial buildings, matched to the volume of water your property actually needs to move.


Rain King's Proven 5-Step Waterproofing Process

    1. Foundation & Site Assessment — We walk the property, check grading and gutters, and test for the hydrostatic pressure common in Somers' clay soil.
    2. Custom System Design — We plan an interior drainage, French drain, or exterior membrane system matched to your foundation type, whether poured concrete, block, or the fieldstone common in older Somers colonials.
    3. Excavation & Installation — We install drainage channels, sump pumps, or crawl space vapor barriers with minimal disruption to your landscaping.
    4. Sealing & Membrane Application — We seal existing cracks and apply waterproof coatings to foundation walls.
    5. Inspection, Code Compliance & Ongoing Support — Every job is inspected against Westchester County building code before we call it finished. Our 100% Lifetime Transferable Guarantee brings us back at no cost if a covered issue resurfaces, for as long as you or the next owner lives there.
Request a Consultation 866-965-5464

Basement Waterproofing Questions Somers, NY Homeowners Ask

Somers, NY homeowners ask us the same handful of questions before booking an inspection: what's causing the water, how long a fix takes, and whether it's worth doing now versus waiting. Below are direct answers to the questions we hear most from homeowners in Amawalk, Lincolndale, Purdys, and along the Route 202 corridor, based on decades of jobs across northern Westchester's clay soil and older housing stock.

How do I stop water from getting into my basement in Somers, NY?

Stopping water from getting into a Somers basement starts outside the house, before it ever reaches the foundation: clean the gutters, extend downspouts at least 5 to 6 feet away from the foundation, and regrade any soil sloping toward the house instead of away from it. If water still gets in after those fixes, or if it's coming through a crack or porous foundation wall rather than over the top, the next step is an interior French drain and sump pump system installed along the basement's perimeter, which intercepts water at the floor line and pumps it out before it pools. For persistent problems tied to Somers' clay soil and hydrostatic pressure, exterior waterproofing at the source may be necessary. A foundation inspection tells you which level of intervention your home actually needs, rather than guessing and paying for the wrong fix twice.

How do I know if my Somers, NY home needs basement waterproofing?

Your Somers home needs basement waterproofing if you notice a musty odor that returns after rain, white chalky efflorescence on foundation walls, hairline cracks that widen after a storm, peeling paint near the floor, or a sump pump running constantly during wet months. Homes built before 1990 near Route 202 or on sloped lots in Amawalk and Lincolndale tend to show these signs earliest, since they were built to drainage standards that predate today's codes. Even one of these signs is worth a foundation inspection before the next heavy rain, since northern Westchester's clay soil turns small leaks into structural problems faster than sandier soil elsewhere in the region.

What causes wet basements in northern Westchester County?

Wet basements in northern Westchester are caused primarily by dense clay soil that drains slowly, a naturally high water table, and aging fieldstone or block foundations built without modern exterior membranes. When heavy rain or snowmelt saturates that clay, hydrostatic pressure builds against the foundation wall until water finds a crack, a mortar joint, or a porous section of block to come through. Poor exterior grading and clogged or disconnected gutters make the problem worse, especially in Somers, where many colonial and cape homes from the 1960s through the 1990s sit on grading that hasn't been updated since they were built.

Is mold in my basement a sign I need waterproofing?

Yes. Mold requires sustained moisture to grow. Cleaning visible mold without fixing the water intrusion source means it will return within weeks. We pair mold remediation with basement waterproofing to fix the root cause permanently

Yes. Mold in a basement in Somers, NY, is almost always tied to an underlying water intrusion problem, not a surface issue that bleach or paint will fix. Mold needs sustained humidity or standing water to grow, so if it's appearing on framing, drywall, or stored items, moisture is getting in regularly, most often from a foundation crack, high humidity from an unsealed crawl space, or water intrusion after heavy rain. Cleaning visible mold without addressing the water source means it returns within weeks. We pair mold remediation with basement waterproofing or dehumidification so the underlying moisture problem is fixed at the same time the mold is removed.

How long does crawl space encapsulation take in Somers, NY?

Most residential crawl space encapsulation projects in Somers take one to three days from start to finish, depending on square footage and how much prep work is needed, such as removing old insulation, debris, or a failed vapor barrier. Crawl space moisture problems in Somers, NY, are common in the ranch and cape-style homes throughout Amawalk and Lincolndale, where a typical 800- to 1,200-square-foot crawl space usually falls on the one- to two-day end of that range. Larger crawl spaces, ones with standing water, or spaces needing structural repair to floor joists before encapsulation can take closer to three days.

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Contact The Rain King for Effective Basement Waterproofing in Somers, NY

Rain King Waterproofing delivers basement waterproofing, crawl space encapsulation, and structural repair for homes and businesses throughout Somers, NY. We assess your foundation walls and drainage system before recommending any fix, so the solution matches the actual problem instead of a one-size approach.


Every job we complete comes with our 100% Lifetime Transferable Guarantee. Don't let water damage compromise your Somers home or business. Contact The Rain King today for a straightforward plan to keep it dry.

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