Westchester County
Mold Removal in White Plains, Where the Flood Map Shows Almost Nothing
Water in a White Plains basement almost never comes from a mapped flood zone, so the job is finding the real entry point, a drain, a foundation crack or runoff off the street, before anyone removes anything. Only 15 of the city's 13,986 buildings stand in the mapped flood area, the joint lowest share in the county, yet 85 of the 97 paid flood claims with a recorded zone were rated outside the high risk zones.
Request a quote in White Plains
Tell us the town, how the water got in, and how long it has been wet. Those three answers tell us what kind of water this was, and in Westchester the kind of water decides most of what the job involves.
Would you rather talk it through? Call (315) 640-3590.
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- Valid through December 31, 2026.
Mention this offer when you book. Full terms.
White Plains flood claims that fell outside the zones
In the county plan's building stock table, 15 of White Plains' 13,986 buildings, 0.1 percent, stand in the mapped 1 percent annual chance flood area, the joint lowest share in the county with Somers.
Source: Westchester County Department of Planning, 2021 Westchester County Countywide Hazard Mitigation Plan, Section 5.4.3 Flood, Table 5.3.2-6, accessed 2026-09-23
Per FEMA's NFIP claims records as of September 8, 2026, the City of White Plains has 127 paid flood claims. Of the 97 with a recorded rated zone, 85, about 88 percent, were rated outside the A and V zones. For Ida (September 1 to 3, 2021) the city had 20 paid NFIP claims, while FEMA recorded 747 valid homeowner assistance registrations from White Plains ZIP codes.
Source: FEMA, OpenFEMA NFIP Redacted Claims v3 (dataset as of 2026-09-08), Westchester County, analyzed 2026-09-23, accessed 2026-09-23
The county plan's flood profile states: "While riverine and coastal flooding is mapped and studied by FEMA, urban flooding is not." It describes urban drainage flooding as caused by runoff from development and inadequate drainage systems, and says stormwater and urban flooding "can occur in areas outside of the floodplain".
Source: Westchester County Department of Planning, 2021 Westchester County Countywide Hazard Mitigation Plan, Section 5.4.3 Flood, accessed 2026-09-23
In the 2020-2024 American Community Survey, White Plains has 27,561 housing units; 29.8 percent were built in 1939 or earlier and 70.5 percent before 1980.
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates, table B25034 Year Structure Built, accessed 2026-09-23
The Westchester County Department of Consumer Protection lists separate local building departments for the county's cities, towns and villages, including White Plains (70 Church Street), New Rochelle (515 North Avenue), Mount Vernon (1 Roosevelt Square), Port Chester (222 Grace Church Street), Peekskill (840 Main Street), Tarrytown (1 Depot Plaza), Sleepy Hollow (28 Beekman Avenue), Elmsford (15 South Stone Avenue), Yorktown (363 Underhill Avenue) and a joint Ossining Town/Village department at 101 Route 9A.
Source: Westchester County Department of Consumer Protection, Local Building Department Contact Information, accessed 2026-09-23
Not in a flood zone, and still wet?
That is most White Plains water. Tell us where it showed up and after what kind of rain, and we will point you at the likely source.
Runoff the White Plains flood map never drew
In the county seat, the flood map is close to silent and the water still arrives. The county plan says it directly: FEMA maps river and coastal flooding, but urban flooding from runoff and overloaded drainage is not mapped, and it happens outside the floodplain. That is the White Plains pattern. After Ida, FEMA recorded 747 valid homeowner assistance registrations from White Plains ZIP codes against 20 paid flood insurance claims in the city. The two counts are different populations, but the gap is wide. So a zone letter on a closing document is not evidence that a basement stays dry here. Three in ten city homes were built before 1940, and in those it pays to check the foundation walls and slab for seepage as well as the obvious leak. Building permits for repairs go to the City at 70 Church Street.
What we arrange for White Plains houses and condos
Mold Inspection and Assessment
Find out in writing what kind of water reached your Westchester home, how far into the building it got, and whether there is a mold job to do at all.
Mold Inspection in White Plains →Mold Remediation and Removal
Get the mold in your Westchester home removed by a licensed firm working to an independent assessor's written plan, with the moisture source named so the work is not undone.
Mold Remediation in White Plains →Water Damage Drying and Dry Out
Get a wet basement or room in your Westchester home dried properly before mold has a chance to start, in the order the kind of water calls for.
Water Damage Drying in White Plains →Send what you are seeing in White Plains
A person reads every request. If the answer is a gutter and a fan rather than a licensed crew, you will hear that from us.