Westchester County
Mold Removal in Croton-on-Hudson, From the Brooks the Map Leaves Out
A wet basement in Croton-on-Hudson is more likely a small stream or hillside drainage than the Hudson, and finding which one is the fastest way to a repair that holds. The Village told the county that besides the Hudson shoreline and the Croton River valley, various smaller stream channels that are not mapped as special flood hazard areas are prone to flooding.
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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.
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What Croton-on-Hudson told the county about unmapped streams

The Village of Croton-on-Hudson told the county in 2021 that its maps adequately address flood risk "except for the Hudson River since FEMA is in the process of issuing a revised flood hazard map for the Hudson River which will include higher flood elevations and V zones", and that the Hudson River shoreline, the Croton River valley and "various smaller stream channels that are not mapped as SFHA" are prone to flooding.
Source: Westchester County Department of Planning, 2021 Westchester County Countywide Hazard Mitigation Plan, Section 9.28 Village of Croton-on-Hudson, accessed 2026-09-23
Croton-on-Hudson told the county that "There are a very limited number of buildings in the Village located in SFHAs. The majority of these buildings are owned by the Village", and that no properties have been mitigated through elevation or acquisition. FEMA's claims records as of September 8, 2026 show 9 paid NFIP claims in the village.
Source: Westchester County Department of Planning, 2021 Westchester County Countywide Hazard Mitigation Plan, Section 9.28 Village of Croton-on-Hudson, accessed 2026-09-23
The ANSI/IICRC S500 water damage standard, as quoted by its consensus body, defines Category 3 water as "grossly contaminated" water that "can contain pathogenic, toxigenic or other harmful agents", with examples that include "sewage; waste line backflows that originate from beyond any trap regardless of visible content or color; all forms of flooding from seawater; rising water from rivers or streams".
Source: ANSI/IICRC S500 Consensus Body, Position Statement: Category of Water Damage and Weather-related Events, March 16, 2026 (citing ANSI/IICRC S500, 5th Edition, 2021), accessed 2026-09-23
In the 2020-2024 American Community Survey, Croton-on-Hudson has 3,197 housing units; 29.9 percent were built in 1939 or earlier and 76.7 percent before 1980, and 80.0 percent of occupied units are owner occupied.
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates, table B25034 Year Structure Built, accessed 2026-09-23
Is there a brook near the house?
Tell us what is uphill and what is nearby. In Croton that usually tells us where the water came from before anyone visits.
Croton's small streams and the hillside behind the house
Very few Croton homes sit in the high risk zone: the Village says most buildings in its mapped flood areas are village owned, and FEMA shows 9 paid flood claims here across the life of the program. The water that reaches Croton houses tends to come from somewhere smaller and closer, a brook near the lot or runoff coming down a slope toward the foundation. Stream water that rises into a basement still counts as the trade's most contaminated class of water, so a creek intrusion is a removal job even when it was only a few inches. The Village also said in 2021 that FEMA was revising its Hudson maps with higher flood elevations and new V zones, so check the current map for your address rather than an old survey before you finish a basement. Four in five Croton homes are owner occupied and three in ten predate 1940, so the paperwork you keep on a water event is yours to hand on at sale.

What we arrange for Croton owners on the slopes and in the valley
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 Croton-on-Hudson →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 Croton-on-Hudson →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 Croton-on-Hudson →Send the Croton basement details
A person reads every request and replies with the next step, including when that step is regrading rather than removal.