A wet basement can come from a dozen different sources, and we trace yours back to the real cause before recommending any fix.

Chronic wet basements are rarely caused by just one thing, which is exactly why single-service contractors so often leave the problem half-solved. Our diagnostic process checks grading, drainage, and crack condition together before recommending a fix.
A wet basement is often caused by more than one contributing factor, and we address the combination, not just the obvious symptom.
Wet basement calls get scheduled quickly, especially when there's active water or a musty odor that's gotten worse recently.
Whatever combination of repairs your basement needs, the price is quoted in writing before any work begins.
Between drain tile, sump systems, crack injection, and exterior grading, we can address nearly any wet basement cause without bringing in a second contractor.

Every Old Westbury, NY Wet Basement Repair job starts with an inspection, not a generic package — here's what that typically includes.
A written diagnostic summary explains what we found and why we're recommending a specific repair combination.
This is the most common fix for Old Westbury, NY basements with a consistently high water table.
Cracks are often a secondary contributor alongside grading or drainage issues, not the sole cause.
A surprising number of Old Westbury, NY wet basements trace back to grading that slopes toward the foundation or downspouts discharging too close to the wall.
We coordinate with mold remediation specialists when visible growth is already present, since that's outside our own scope.

We ask how long the basement has been wet, whether it's constant or storm-related, and what you've already tried.
A technician checks interior walls and floor, exterior grading, gutters, and window wells to build a complete picture of what's driving the moisture.
You'll get a written scope covering every component of the recommended fix, whether that's one service or several combined.
Repairs are completed according to the written scope, and we test the system — pump, drain flow, or injection — before considering the job done.

"We'd had three different contractors guess at fixes over the years and none of them worked. These guys actually diagnosed the real combination of causes."
— Old Westbury Homeowner
"Musty smell that had bothered us for two years is finally gone after the full repair."
— Old Westbury Customer
"Basement had flooded twice before we called. Combination of drain tile and grading correction has kept it dry through two storm seasons now."
— Old Westbury Homeowner
"Follow-up check after a big storm gave us real peace of mind."
— Old Westbury Customer
Previous repairs may have addressed only one contributing factor while others were left unresolved — our diagnostic process checks for the full picture.
We check interior walls and floor, exterior grading, gutters, downspouts, and window wells using moisture meters and visual inspection.
Yes, and it often does — grading, a failed crack, and inadequate drainage frequently combine to create chronic moisture problems.
Getting humidity and water intrusion under control is a necessary first step before mold remediation can hold long-term.
Every recommendation is itemized in writing so you understand what's driving the total.
Timeline depends on scope — a single-cause fix might take a day, while a combination of drainage, grading, and crack repair can take several days.
Been through repairs before that didn't fix it? Call +1-866-476-1348 and we'll start with a full diagnostic instead of guessing again.



Zip codes we serve in Old Westbury, NY: 11568
Call now for a free inspection and a flat-rate quote before anything gets worse.
Call +1-866-476-1348© SGP Waterproofing. All rights reserved.