Mold Mitigation, Structural Drying, Duct and Vent Cleaning
"They are able to do everything you need done, I am so glad to have them, excellent, that says it all."
Sylvia D. in September 2020

Mold Removals, Asbestos Repair/Removal, Abatement , and 2 more
"Friendly and professional. Quick response and turnaround."
Chris or Wendy H. in March 2017

Radon Gas - Abatement, Radon Gas - Testing, HVAC , and 3 more
"It was a great, clean and efficient job. It was also a good price and the radon came down to a safe level."
Eugenia H. in September 2024

Testing & Abatement Services
"Outstanding experience"
0421AC277AA224D073284DCA5F5AA8D536C7A02E6ECF195708CB3D7ECA7F33BF 6. in October 2025

Toxicity and Mold - Removal and testing
"Red Diamond is a company I would recommend to anyone, Antonio came in and explained the full process to me from start to finish he and his brother came in did what was needed in a timely professional manner. They were very efficient and cleaned up everything. Defiantly would recommend them to anyone."
Donna W. in December 2022
Toxicity and Mold - Removal - For Business, Toxicity and Mold - Removal, Recovery Service - Water Removal , and 1 more
"Very quick response, great communication, very reasonable fee."
Michael O. in October 2018

"Jake is very professional, he explained what he was going to be doing. I highly recommend this company."
84D4C68E3E7BFE139678916FE76A23F8ADD0C5C881DA3E52655EABD0198AE026 F. in February 2025

"Rob is AMAZING! He has removed vermiculite, re-insulated and removed asbestos for me at different locations in Dodge and Jefferson County over the years. As a realtor it is important to have someone you trust to refer clients too. GREAT COMMUNICATOR, SHOWS UP IN A TIMELY MANNER, AND HAS FAIR PRICING. I would definitely recommend this company to anyone."
Jennifer S. in December 2024
Flooring- vinyl sheet flooring, (linoleum) glue, floor tile / mastic, Asbestos Abatement: boiler dismantlement & duct removal, thermal pipe wrap, Mold Remediation , and 2 more
"Easy to work with, fast and reliable. When we need emergency asbestos testing they make room in their schedule to fit us in. Explain/answers my questions on things I may not understand when it comes to asbestos. Great crew I will continue working with them in the future."
Amyjo P. in January 2024

Asbestos - Testing, Asbestos - Abatement
"Fast, well done, clearly explained"
Paul J. in December 2020
Madison Testing & Abatement Companies are rated 4.6 out of 5 based on 511 reviews of 511 pros.
The HomeAdvisor Community Rating is an overall rating based on verified reviews and feedback from our community of homeowners that have been connected with service professionals. See individual business pages for full, detailed reviews.
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