Bronx County
Mold Removal in Kingsbridge, Bronx
A Kingsbridge basement that backs up in heavy rain is describing a documented system rather than bad luck, which changes what is worth spending money on. Tibbetts Brook was buried in 1912 and still pours 4 to 5 million gallons a day into the local sewer on dry days, before a drop of rain has fallen.
Request a quote in Kingsbridge
Tell us what you can see, where the water came from, and whether the building is yours or somebody else's. That is usually enough for us to say which trade you need, and who is on the hook for paying, before anyone comes out.
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- Valid through December 31, 2026.
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What the buried brook under Kingsbridge means for your basement
Part of Tibbetts Brook was buried underground in 1912 and routed into the city sewer system. On dry days it still enters the sewer at a rate of 4 to 5 million gallons of water per day, about 2.1 billion gallons a year, and the city names flooding along Broadway and other areas of the Tibbetts Brook Watershed as the problem the daylighting project is meant to relieve.
Source: New York City Department of Environmental Protection, accessed 2026-09-16
FEMA's National Flood Hazard Layer returns Zone X, an area of minimal flood hazard, at Tibbett Avenue and at Broadway in Kingsbridge, even though the same corridor sits over the buried course of Tibbetts Brook and is named by the city as an area the daylighting project may help.
Source: Federal Emergency Management Agency, National Flood Hazard Layer, accessed 2026-09-16
Only 12 National Flood Insurance Program claims have ever been filed in ZIP code 10463.
Source: Federal Emergency Management Agency, OpenFEMA NFIP redacted claims, accessed 2026-09-16
The city Department of Environmental Protection states that Tibbetts Brook runs from the City of Yonkers through the Bronx and out into the Harlem River, that by 1912 the brook was fully buried and diverted into the city sewer system, that it has awarded a $149.5 million construction contract to bring the brook back above ground with work anticipated to begin in Fall 2026, and that the project will reduce combined sewer overflows into the Harlem River during rainstorms by over 215 million gallons each year.
Source: New York City Department of Environmental Protection, accessed 2026-09-16
In ZIP code 10463, which the city Health Department groups with Riverdale, 86.8 percent of housing units are in buildings of ten or more apartments, only 7.4 percent are in one or two unit houses, 64.6 percent of occupied units are rented and the median year of construction is 1955.
Source: US Census Bureau, American Community Survey 2020-2024 5-year, accessed 2026-09-16
The city's own review of Hurricane Ida records that water entered flooded basements and cellars from street runoff, from overtopped rivers and streams primarily in the Bronx, from groundwater infiltration primarily in Queens, and from water coming back up through basement plumbing fixtures as water sought its own level.
Source: City of New York, The New Normal: Combatting Storm-Related Extreme Weather in New York City, accessed 2026-09-16
Third time this year in a Kingsbridge basement?
Tell us what comes up and from where, and we will plan for the repeat.
Why the Kingsbridge flood map says dry and the basement says otherwise
Do not let a flood map talk you out of a backwater valve in Kingsbridge. FEMA returns Zone X, minimal hazard, at both Tibbett Avenue and Broadway, and only 12 flood insurance claims have ever been filed in 10463, so a policy would not have paid for the water in your cellar and the relevant conversation is a sump, a backwater valve and what goes back on the floor. The sewer is already carrying a stream: the city names flooding along Broadway and the Tibbetts Brook Watershed as the problem its daylighting project is meant to relieve, it has awarded a $149.5 million construction contract, and work is anticipated to begin in Fall 2026, so the relief is years out. The same watercourse runs down from Yonkers, which is why both sides of the line flood on the same storms. On the paperwork, 86.8 percent of homes here are in buildings of ten apartments or more, so almost every Kingsbridge job over ten square feet needs the licensed pair and the DEP filing.
Areas within Kingsbridge: Kingsbridge Heights
What we arrange in Kingsbridge
Mold Inspection and Assessment
Find out what is growing, how far it reaches and what water is feeding it, in writing, before anyone quotes a dollar to remove it.
Mold Assessment in Kingsbridge →Mold Remediation and Removal
Get the mold and the material it is living in out of the building, to a plan somebody independent wrote, with the work checked afterwards by that same independent party.
Mold Remediation in Kingsbridge →Water Damage Drying and Dry Out
Get the building dry inside the window where wet material is still just wet material, before a water problem turns into a licensed mold project.
Water Damage Drying in Kingsbridge →Mold Violation Response for Building Owners
Work out exactly what a dated mold violation, or a tenant complaint you have not answered yet, requires you to do, in what order, and who is allowed to do it.
Violation Response in Kingsbridge →Tell us what the last heavy rain brought in
Sewer water and clean water are cleaned up differently.