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Typical your area range for this kind of work, from regional averages — not a quote from RTK Environmental. Use it to sanity-check bids, then get the real number in writing.
Firms price in size tiers, not per foot — pick the bracket.
Estimated range
$530 – $760
Typical inspection around $650
RTK Environmental is a Stamford, Connecticut environmental testing firm that does mold assessments, with lead and asbestos testing described in 2026 reviews. An August 2026 customer said RTK strictly handles mold testing and does not do remediation. The Better Business Bureau grades it A+. In August 2026, a customer in a co-op apartment said Ron took air and surface samples, delivered a detailed lab report and later spent time on the phone explaining it. An October 2026 reviewer said Kevin, who has a background in HVAC, pointed out where bathroom fans and vents were. In September 2026, a customer said Ronald knew the water damage patterns and pointed out areas they had not noticed. A May 2026 reviewer said the prices for lead and asbestos testing were competitive with a couple other estimates. In August 2025, a reviewer gave 2 stars over lead testing results, saying they were not given a clear scope of work and received an incomplete floor plan. On Google it holds 5 stars from 252 ratings, and on Angi and HomeAdvisor 5.0 from 8.
“RTK Environmental is out of Stanford CT and they will go to Rockland. They are extremely friendly and knowledgeable.”
“Highly recommend RTK environmental. Very reputable, and solely work on testing and remediation plan specification.”
“If your in Northern Jersey I’d recommend RTK Environmental for testing, they will travel and are…thorough.”
Tom from RTK was the most educational and helpful person! He helped walked me through the process of what they do and how they do it while also giving me great advice on how to move forward with my mold problem once I get my results. I highly recommend anyone to use RTK environmental!
Kevin was great! He came when he said he would and he listened to my concerns and answered all of my questions. He has a background in HVAC and so he was able to point out where bathroom fans and vents were not working/were not installed properly during our recent renovation so we can address these issues with our contractor. For example, we were totally unaware that one of our fans had no power due to an outlet not working and another bathroom fan was installed backwards and was therefore blowing outside air into the bathroom, rather than sucking it out. He took samples in all of the places that I am concerned about. Hopefully it all comes back with a clean report. If it doesn't, we know we need to take action. If it does, it was still money well spent because we have peace of mind and he identified things that need to be fixed before they cause bigger problems.
Very prompt and courteous. Completed the process in a timely manner. Thoroughly explained the process.
Kevin was amazing and knowledgeable. He did an amazing job.
So detailed oriented. Kevin was so Helpful! Amazing service ! Great honest company.
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1 change recorded — last scanned Oct 13, 2026.
Mortgage paperwork sorted a month after inspection4.6
Inspection visit on short notice4.6