Water Damage Cleanup Suffolk County
“They completely cleaned, got rid of all the mildew, and drained the water so my bathrooms could be used once again.”
Best Mold Inspection & Testing near Brentwood, NY
2 of these companies are based in Brentwood; the others serve Brentwood from towns including Bohemia (8 mi), Ronkonkoma (7 mi) and Deer Park (3 mi).
12 open 24/7 · all 15 open weekends · all 15 rated 4.5+ · 7 show a license
Data verified October 18, 2026
Servicemaster Fire and Water Cleanup
“Nice to have a company knowledgeable in dealing with insurance claims I needed help with, respectful workers left my home clean as a whistle!”
Upper Restoration
“Upper Restoration did an amazing job restoring my roof and ceiling after a tree fell on it during a storm.”
Iac-Indoor Air Care Professionals
“Clean, professional, showed photos of what they were cleaning as they went along and cleaned our system perfectly.”
Newhouse Restoration
“Newhouse came right away, the technicians were pleasant and set up fans and dehumidifiers and cleaned up the mess.”
Andate Construction & Restoration
“They were honest and open throughout the project and readily available to answer questions or fix issues.”
Listed for homeowners in and around Brentwood, NY, these 15 companies test for mold and indoor air problems. Listings show what each one states about sampling, lab work and the environmental tests it offers, plus ratings and quotes from public reviews.
Area overview: Brentwood, NY
The 15 companies on this page are rated from 4.5 to 5.0 across 1,515 reviews; 12 have 50 or more reviews. When customers rate these companies on specific qualities, they most often praise professionalism (92%), responsiveness (88%) and quality (87%). The topics that come up most in reviews of the companies on this page are "cleanliness", "crew" and "efficient". 12 are open around the clock and all 15 are open on weekends. The services the companies on this page list most often on their websites are water damage (4), fire damage (2), mold remediation (2), mold removal (2) and puff back damage cleanup (2). 7 show a license on their websites; 1 lists staff certifications (IICRC) and 2 have a BBB rating of A or A+. Domain records put 7 websites of the companies on this page at ten or more years old; the oldest dates from 2005. 12 offer emergency call-outs; 1 offers financing or payment plans; 6 give free estimates; 4 are family- or locally-owned and 1 lists coupons or special offers. 1 has Spanish-speaking staff. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
Is one opinion enough on a damp problem?
Not when the first visit ends with a large removal quote attached. You have 15 companies on this page, so getting a second diagnosis is straightforward. Ask each one what it thinks the water source is. Two independent answers that match is the strongest signal you will get.
All Island Restoration
“It was an extremely positive experience working with All Island, Corrine as PM and her team of movers, flooring specialists, painters.”
G-Tech Restoration Inc.
“I'm so late posting this review and I hate that because they did a PHENOMENAL job helping me last year when my house was completely flooded (and all but destroyed) due to a winter storm in Texas.”
Rapid Restoration
“My biggest concern in all this was mold growth and they were able to quickly come up with a plan to ensure no further damage/loss occurred.”
Dynamic Duo Property Inspections
“They work as a team so it takes half the time a normal inspection should take.”
Global Mold Solutions LLC
“I recently used Global Mold Solutions to help remove and resolve a mold issue in my home and I was extremely pleased with the job they did!”
United Water Restoration Group
“The assigned techs Pat and Walter were polite and efficient, and they were nice enough to point out a malfunction in my sump pump as well.”
Elite Restoration and Construction Inc
“Melise was my point person and was responsive and thorough throughout the whole process; she also gave us great referrals to other service providers to help make sure our apartment felt like new again after everyone was done.”
Madison Avenue Construction Corp
“They sent over like 5 guys to determine exactly what was wrong and once that was done Jose came and it was like it never happened”
Meticulous Home Inspection
“They come today to our house and did an amazing and meticulous inspection.”
Why these companies made our list
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