Westchester County
Mold Removal in Yonkers, Westchester County
A Yonkers job needs two separate credentials before a permit is issued, and lining them up is the first thing we do. On a one to three family house the city wants a Home Improvement Contractor's License from its own Consumer Protection Bureau on top of the state mold license, and the application goes to the Department of Housing and Buildings on South Broadway, never to the county.
Request a quote in Yonkers
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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Two licenses and one city office: how a Yonkers permit works
Everything in Yonkers is filed with the city at 20 South Broadway, third floor, and there is no county permit office to fall back on. The plumbing repair that stops the leak is usually the permitted part of the job and it needs the Director's approval on an application, with an exemption only for the minor repairs the trade calls jobbing. Two things catch people out. Four in five Yonkers homes predate 1980, so work that disturbs painted surfaces pulls the federal lead renovation rule into the scope and into the price. And the assessment is the scarce half: eight mold assessment contractors hold licenses at Yonkers addresses against nineteen remediators, so book the assessor first. On flood, the city keeps a list of flood damaged properties and has named its own trouble spots, the Nepperhan and Saw Mill valley, Clunie and Nepperhan Avenues, the Bronx River Valley, Tibbetts Brook, Harrison Avenue and Warburton Avenue, with 239 repetitive loss properties on the FEMA record. Note the city line: there is no HPD violation and no Local Law 55 here, so a landlord's own staff may lawfully do the work and a tenant's footing is the state warranty of habitability.
Areas within Yonkers: Nepperhan River Valley, Saw Mill River corridor, Bronx River Valley, Warburton Avenue


Is your Yonkers street on the city's own flood list?
Send the address and we will tell you what that means for the repair.
What we arrange in Yonkers
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 Yonkers →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 Yonkers →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 Yonkers →What the Yonkers flood list and license register tell you

The Yonkers Department of Housing and Buildings states that before a permit is obtained to renovate an existing dwelling of one to three families, the City of Yonkers requires a Home Improvement Contractor's License obtained from the city's Consumer Protection Bureau, and that anyone providing expediting services needs a separate Expeditor's License from the same bureau.
Source: City of Yonkers Department of Housing and Buildings, accessed 2026-09-16
Building permits, certificates of occupancy, inspections and housing complaints in Yonkers go to the city's own Department of Housing and Buildings at 20 South Broadway, third floor, not to Westchester County. Under the city code, plumbing work requires the Director's approval on an application, with an exemption only for minor repairs to an existing system known in the trade as jobbing.
Source: City of Yonkers Department of Housing and Buildings, accessed 2026-09-16
The Westchester County hazard mitigation plan records 447 flood insurance policies in the City of Yonkers, 801 claims, $12,387,587.61 in total loss payments and 239 repetitive loss properties, on FEMA data current to July 2021.
Source: Westchester County Hazard Mitigation Plan, City of Yonkers annex, accessed 2026-09-16
The City of Yonkers told the county hazard mitigation plan that it maintains a list of flood damaged properties and named the Nepperhan River Valley, meaning the Saw Mill River, the Hudson River, Clunie Avenue, Nepperhan Avenue, the Bronx River Valley, Tibbetts Brook and Harrison Avenue as its flood prone areas. The plan also records that the Saw Mill River Parkway and Warburton Avenue are both flood prone.
Source: Westchester County Hazard Mitigation Plan, City of Yonkers annex, accessed 2026-09-16
8 mold assessment contractors and 19 mold remediation contractors hold active New York State licenses at Yonkers addresses.
Source: New York State Open Data, Mold Contractor Licenses, accessed 2026-09-16
Yonkers has 85,006 housing units, of which 22,653 were built in 1939 or earlier, 29,887 before 1950 and 68,903, or 81.1 percent, before 1980. Only 479 were built in 2020 or later.
Source: US Census Bureau, American Community Survey 2020-2024 5-year, table B25034, accessed 2026-09-16
In a Bronx building of ten or more dwelling units, New York City Administrative Code section 24-154 bars the owner, the managing agent and their employees from performing mold assessment, abatement or remediation on an area larger than ten square feet, and requires an Article 32 licensee instead. In Yonkers, Mount Vernon, New Rochelle and Pelham no equivalent local law applies, so the state exemption in Labor Law section 933 stands and the same landlord's own staff may lawfully do the work.
Source: The City of New York, Local Law 61 of 2018; New York State Senate, accessed 2026-09-16
Tell us what you are dealing with in Yonkers
We will confirm which permits and which licenses the job actually needs.