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Frances, a mold-detection dog, helps Gretchen locate suspect areas before testing. Mold Dog of Massachusetts is based in Buzzards Bay; its website says it provides canine mold detection, inspections, assessments, and testing for homes and businesses, including services before and after remediation. The company lists Boston and Plymouth as its service area and describes NORMI mold-assessment and advanced indoor-air-quality certifications, along with an IICRC Building Moisture Inspector credential. Customers describe finding mold that earlier visits had missed. A June 2026 Google reviewer said Gretchen identified mold after two other people had failed to do so and followed through until the process was complete. Another June reviewer praised her explanations, answers to questions, and prompt responses. A May reviewer described a roughly four-hour search, with praise for the sample testing and reporting. A separate June 2026 customer described detection and lab testing in several areas of a recently purchased home, including the living room and basement. Gretchen recommended Better Breathing Environmental, which performed the remediation. After that work was completed, the customer said Gretchen ran additional tests to check that the mold was gone. In a March 2025 review, another homeowner described Gretchen taking cavity air samples where Frances had alerted inside walls; the customer then used those results to hire remediation. These accounts describe inspection and testing alongside work performed by separate remediation providers. In a September 2025 review, a repeat customer described using the service three times, with the dog locating possible mold sources and Gretchen helping select sampling locations. That customer valued the testing and guidance in finding remediation companies, while calling the service pricey. An April 2025 reviewer described a whole-home canine inspection and air tests after remediation, saying they received the answers they needed. There was also a detailed complaint in April 2025. That Google reviewer said Mold Dog completed inspection and testing but then refused to write a remediation protocol report and stopped responding when asked for findings summaries. The reviewer said prospective remediation companies would not proceed with the test results, and other inspectors rejected them because of concerns about the processing laboratory's registration or certification. The customer reported losing thousands of dollars and needing to hire another inspector and pay for the same work again. Those laboratory and financial allegations are the customer's account.
Gretchen seems to more thorough than the two people who came before her. She was able to identify the mold that others did not. She followed through the whole process until completion. If you want results Gretchen is the person you need.
Gretchen & Frances were so wonderful to work with. Gretchen was so kind and understanding, not only was she very knowledgeable, she took the time to thoroughly explain everything and answer all of my questions. She is very prompt with her responses and takes the time to make sure all your needs are met. Gretchen is so passionate about her field if work and it shows.
Gretchen and Frances are simply the best, as hard working professionals and as kind souls. With the help of Frances and by running the lab tests, Gretchen was able to detect the specific strains of mold that were extensively present in more than one location of my recently bought home, especially in the living room and basement. Alerting me to the toxic mold in the fish tank area of the living room was essential to understanding that I was sadly sold a home that was unsafe to live in. This helped me confirm why my cats and I felt so sick in our new home, so I could then safely remediate the mold with the incredible team at Better Breathing Environmental, which Gretchen recommended. Thank God Gretchen and Frances saved our lives and helped us so much! Once all the remediation work was completed, Gretchen kindly ran a couple more tests, just to be sure all the mold was gone, which it was!
France’s and Gretchen did excellent job searching and locating the mold in my hour It took about 4 hours Samples testing and reporting was excellent Professional and thorough Highly pleased
Can’t recommend Gretchen more highly! She was able to alert us about mold problems prior to our home inspection. The issues she detected would have cost thousands to remediate. I’d give her six stars if I could.
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2 changes recorded — last scanned Sep 30, 2026.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from Mold Dog of Massachusetts. 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
Inspection report delivered the same day4.5
Flags problems without alarming buyers4.5
Drone roof checks4.6
Thorough inspections3.0