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Find Mold & toxic material testers in Montclair

Avatar for NAL East Environmental Services, Inc.
NAL East Environmental Services, Inc.
4.9(
88
)

Serving Montclair, NJ and surrounding areas

Angi Approved

In business since 2001

Free estimates

Emergency services offered

"I saw NAL East Environmental, read their Profile & was extremely impressed. Their Inspectors’ are Highly Educated Professionals. Words can’t describe how Grateful I am for Mark Stern & Joe Chairmonte. Testing was explained with Professionalism, Knowledge & Compassion. Mark is a Genuine Professional. He was Respectful & Kind as he explained and knew what should be tested. Joe was already set up. They were extremely thorough. After testing, Mark said, “Please call with any questions,” He was true to his word. After finding Acute Mold issues in Our Rental Home of 17+!years. Mark showed much care for Our well-being. It’s RARE to find a Co. with such Caring Inspectors w/High Moral Values, Yet, here they are!! I hired Mark & Joe again for Surface Testing. I’ve since referred Mark & Joe to Family. NAL East is The BEST! Thank you & Many Blessings to Mark & Joe. You are Amazing Assets to NAL Eastern & Our Community!! Jacqueline W., Yardley, PA"
Seals
Seals
Leak, areas cleaned, occupants still sick
HVAC
HVAC

+9

Response time5 hrs
24 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Mold Testing, LLC
Mold Testing, LLC
5.0(
23
)

Serving Montclair, NJ and surrounding areas

Angi Approved

In business since 2021

Emergency services offered

Small jobs welcome

"Tom arrived at the scheduled time, explained what was to be expected in regard to testing . He was helpful, courteous , and I would definitely recommend his services."
Air duct testing
Major mold issue on sheetrock
Foundation
Foundation mold...
Hidden mold issue

+6

Response time10 hrs
Response rate96%
11 neighbors recently requested a quote
Avatar for Mold Test Company NJ
Mold Test Company NJ
4.1(
82
)

Serving Montclair, NJ and surrounding areas

Angi Approved

In business since 2008

Free estimates

Emergency services offered

"They did a prompt professional job. I received the report in about 7 days. Mold was found in the air due to high humidity in the air. All of this seemed OK but then I was forwarded to the Biocide company that tried to get me to buy a DIY mold remediation kit. There a time pressure to buy the kit for the best price at $2400. They said the nature of the mold would require a hazardous work fee from any remediation company that would cost from $12,000 - 18,000. This is when I started questioning the service I received. My pulmonologist also looked at the test results & said the mold levels did not seem too bad. Also, the humidity readings on my house thermostat did not read the high level that the report stated. So, I do not know if there was any value with the service & I am not sure if I would recommend them. The only way to really find out would be to call in another testing company but I did not want to spend another $660. So, I had the remediation work done for $1900 & was satisfied."
Mold Testing
Mold Testing
Mold Testing
Mold Testing
Mold Testing

+7

Response time9 hrs
139 neighbors recently requested a quote
Recommended by80%of homeowners
...
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FAQs for mold & toxic material test projects in Montclair, NJ

Some companies offer a no‑cost phone or video consultation that screens for red flags. If the discussion points to a real issue, the pro will recommend a paid on‑site inspection. The complimentary call clarifies whether you need full testing, but it isn’t a substitute for samples, lab work, or a written report. Always confirm what the free service covers before you schedule.

A standard inspection, which includes basic air and surface samples, takes an average of two hours. If the pro needs to probe hidden spaces, such as wall cavities or ductwork, plan on up to six hours. Extra time allows the inspector to reach tight areas, collect additional samples, and document findings. Lab analysis is a separate process and often adds several business days to the overall timeframe before you receive the full report.

Mold thrives where moisture lingers and air flow is poor. Common hotspots include bathroom walls, kitchen backsplashes, window sills, HVAC vents, fireplaces, crawl spaces, and enclosed attics. Check these areas regularly—especially after leaks or high‑humidity weather—to catch growth early and avoid costly repairs.

Unchecked mold can knock 20% to 37% off a home’s market value because buyers worry about hidden damage and health risks. Even after remediation, visible staining or a history of major moisture issues can still lower offers and prolong the time on the market. Addressing mold quickly protects both your property’s structural integrity and its resale appeal.

The Montclair, NJ homeowners’ guide to mold & toxic material tests

From average costs to expert advice, get all the answers you need to get your job done.