Urgent response
Start here when there is active water damage, a fast-spreading issue, or a time-sensitive repair.
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Ask how quickly they can inspect the property and whether after-hours response is available.
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Mold remediation companies serving Brooklyn, NY
Compare mold remediation providers with strong local signals for Brooklyn, NY. Broader area options are included when the service-area data suggests they may cover the city.
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Showing all listed providers for Brooklyn. Pick a job type to focus the shortlist.
Strong local matches 9
Broader options 0
Public reviews 623
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Mold jobs are not all the same. For Brooklyn, NY, start with the signals that match the problem you need solved, then confirm exactly what work is included before booking.
Containment methods
Useful when mold may need isolation from clean areas during removal.
9local
Ask what containment, air movement, or negative-air process is included in the work.
Moisture-source checks
Important when mold appears after a leak, flood, roof issue, or damp basement condition.
9local
Ask how they identify and address the moisture source before or during remediation.
Testing or inspection
Helpful when you need inspection, sampling, or clearance questions separated from removal work.
8local
Ask whether testing is included, handled separately, or referred to an independent process.
Strong local matches
Strong local matches for Brooklyn
Best for: NYC and Long Island property managers dealing with mold, lead paint, or HPD violations who need one company to handle testing, remediation, and compliance paperwork.
Service area: Headquartered in Lynbrook, NY with a second office in Toms River, NJ. Covers all five NYC boroughs (Manhattan, Brooklyn, Queens, the Bronx, Staten Island), Long Island (including Farmingdale, Nassau County, Suffolk County), and eight New Jersey counties (Bergen, Hudson, Essex, Morris, Union, Middlesex, Monmouth, Ocean). The NJ coverage spanning eight counties from a single Toms River office is broad — confirm crew availability for your specific location.
In-house testingHPD violation alertsLead + mold under one roofWater damage restoration
Review snapshot: Jason and Jay draw consistent praise for patient walkthroughs and clear explanations, and Henry for clean, thorough remediation work. But 1 of 3 recent complaints describes a lead abatement job left visibly unfinished, across 185 reviews at 4.9★.
Best for: Brooklyn homeowners dealing with mold after water damage who want a single company to handle extraction, remediation, and repair across brownstones and older buildings.
Service area: Remex USA is headquartered in Brooklyn, NY (East Flatbush). Their service area page lists 27 specific neighborhoods across Brooklyn (Borough Park, Crown Heights, Flatbush, Park Slope, Bay Ridge, Cobble Hill, Carroll Gardens, Williamsburg, and others), parts of Manhattan (Chelsea, Gramercy, Greenwich Village, Upper East Side, Upper West Side), Staten Island, and Nassau County towns including Cedarhurst, Lawrence, and Woodmere. The coverage extends well beyond their Brooklyn base, so confirm dispatch frequency for locations outside central Brooklyn.
Water + mold under one roofFire and smoke odor removalDuct cleaningCommercial and residential
Review snapshot: Avi draws consistent praise across 95 reviews for responsiveness and hands-on project management, with Mike and George also named for thorough work. But zero negative reviews makes independent verification impossible -- 0 one-star reviews across 95 total at 5.0 stars.
Best for: Brooklyn homeowners dealing with mold or water damage after flooding who want a franchise-backed restoration company where the owner, David Nehaice, stays directly involved from estimate through rebuild.
Service area: Headquartered at 1220 Utica Avenue in Brooklyn, New York. The website lists Crown Heights, East Flatbush, and Bedford-Stuyvesant as named service areas. Reviews confirm work throughout Brooklyn (including Brooklyn Heights) and as far as Manhattan's Upper East Side, Long Island, and Westchester, suggesting the actual service radius extends well beyond north Brooklyn.
Mold removal + rebuild24/7 water damageInsurance claim navigationCommercial restoration
Review snapshot: David draws praise in over 30 of 73 reviews for fast response and hands-on project management, with Rendolph Walker and Guillermo also named for field work. No complaints found across 73 total reviews at 5.0★.
Best for: Brooklyn homeowners dealing with water damage or mold after pipe bursts or flooding, where Isaac and his crew handle everything from water extraction through insurance coordination.
Service area: Whac A Mold is headquartered at 1531 E 36th St in Brooklyn, NY 11234. Reviews confirm work throughout Brooklyn neighborhoods. The website does not specify service beyond Brooklyn, so confirm coverage if you are in another borough or on Long Island.
In-house testingInsurance coordination24-hour emergencySewage cleanup
Review snapshot: Isaac (also called Itzik) draws repeat praise across 71 reviews for same-day response and handling the full process from water extraction to insurance paperwork, with zero complaints at or below 3 stars in the last 18 months.
Best for: Brooklyn homeowners dealing with basement floods or mold after water damage who want a single locally owned crew led by Jaime Hidalgo to handle cleanup through restoration.
Service area: Headquartered at 294 20th St in Brooklyn, NY. The company serves all five NYC boroughs — Brooklyn, Queens, Manhattan, the Bronx, and Staten Island. Brooklyn neighborhood coverage is extensive, listing dozens of neighborhoods from Park Slope to Canarsie. The Queens, Manhattan, and outer-borough pages appear templated, so confirm response times for locations outside Brooklyn.
24/7 emergency responseMold violation correctionIn-house testing & remediationPost-remediation clearance
Review snapshot: Jaime gets named in nearly every review for fast response and hands-on project management. But with zero 1-star reviews across 64 total at 4.9 stars, there is no complaint pattern to report.
Best for: Valley Stream and southwest Nassau County homeowners dealing with water damage or mold after a pipe burst or basement flood who want owner Sammy Shrem's direct involvement from estimate through cleanup.
Service area: Based in Valley Stream, NY (27 W Hawthorne Ave). The website lists service areas across Nassau County (Valley Stream, Hempstead, Levittown, Freeport, Long Beach, Rockville Centre, Garden City, Mineola, East Rockaway, Hewlett, Lawrence, Woodmere, Cedarhurst, and many more), Queens (St. Albans, Jamaica, Flushing, Astoria, Forest Hills, and others), Brooklyn, the Bronx, and Mount Vernon. The main page also mentions Staten Island. That covers an enormous footprint from a single Valley Stream office. Confirm crew availability and realistic response time for locations outside Nassau County.
In-house reconstructionSewage backup cleanup24/7 emergency responseCommercial restoration
Review snapshot: Sam draws consistent praise for hands-on involvement, clear explanations, and competitive pricing across 41 reviews at 5.0 stars. But zero negative reviews means no stress-test data exists to reveal how the company handles problems.
Best for: Bronx homeowners dealing with water damage that has led to mold, especially basement floods or storm damage needing same-day response across all five NYC boroughs.
Service area: Headquartered in the Bronx at 2418 Olinville Avenue with a second listed address at 275 Madison Street in Manhattan. The website claims coverage across all five NYC boroughs: Bronx, Manhattan, Brooklyn, Queens, and Staten Island. Reviews confirm work in the Bronx area, but coverage quality across outer boroughs is unverified.
In-house testingWater + mold combinedFire damage restoration24/7 emergency
Review snapshot: No reviewers name specific staff, but praise centers on fast arrival times and thorough drying after water damage; 0 negative reviews found across 37 total at 5.0 stars.
Best for: Mill Basin, Flatlands, and south Brooklyn homeowners who need a single company to handle water damage, mold, and rebuild under one contractor license.
Service area: Based at 2028 Utica Avenue in Brooklyn, NY. Covers Mill Basin, Flatlands, Flatbush, Lefferts Garden, Marine Park, Bergen Beach, Crown Heights, and Georgetown. The service area centers on south and central Brooklyn.
Large loss recoveryIn-house constructionSe habla español24/7 emergency response
Review snapshot: Shane, Cesar, and Avi Persaud draw consistent praise across 30 reviews for fast response and clear communication. But 0 negative reviews in the last 18 months means no complaint data to evaluate.
Best for: Queens homeowners dealing with water or fire damage who need a single company to handle emergency cleanup, mold remediation, and full reconstruction under one roof.
Service area: Headquartered in Fresh Meadows, Queens, New York. They serve all five NYC boroughs: Queens, Brooklyn, Manhattan, the Bronx, and Staten Island, plus surrounding areas. Coverage claims are broad for a single-office operation.
Fire & water restorationIn-house reconstructionInsurance claims help
Review snapshot: Geo (Geovanni) draws consistent praise for fast response and hands-on follow-through across water, fire, and mold jobs. But 1 review out of 27 describes a prolonged payment dispute with Wilson involving small claims court.
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