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*The Angi rating for Mold Testing And Remediation companies in Harvard, MA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Mold Testing And Remediation needs.
*The HomeAdvisor rating for Mold Testing And Remediation companies in Harvard, MA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Mold Testing And Remediation needs.
Last update on December 20, 2025
Find Mold testing and remediation specialists in Harvard
Radon Systems LLC
Radon Systems LLC
Guaranteed Results! Radon Systems LLC has installed over 20,000 successful Radon mitigation systems since 1985. Radon Systems LLC is one of the few full service Radon mitigation companies that remediate both Radon in air and Radon in water. We are state certified and fully insured. Radon Systems LLC is recognized by the National Environmental Health Association (NEHA) and the American Association of Radon Scientists and Technologists (AARST).
"Derick did a great clean job. I live in a ranch with an unfinished basement. Install took around 1 hour. Derick was punctual, professional and informative. System is doing its job!"
James P on July 2024
Guaranteed Results! Radon Systems LLC has installed over 20,000 successful Radon mitigation systems since 1985. Radon Systems LLC is one of the few full service Radon mitigation companies that remediate both Radon in air and Radon in water. We are state certified and fully insured. Radon Systems LLC is recognized by the National Environmental Health Association (NEHA) and the American Association of Radon Scientists and Technologists (AARST).
"Derick did a great clean job. I live in a ranch with an unfinished basement. Install took around 1 hour. Derick was punctual, professional and informative. System is doing its job!"
James P on July 2024

Indoor Doctor, LLC
Indoor Doctor, LLC
We provide peace of mind & solutions for your indoor environmental needs. IndoorDoctor ® evaluates the health of your indoors using proven testing techniques, unmatched state-of-the-art equipment, and years of experience handling environmental issues like yours. We help determine if your indoor environment is healthy through an unbiased assessment using proven testing techniques, unmatched state-of-the-art testing equipment, and years of experience handling issues like yours. We've successfully completed over 35,000+ indoor environmental inspections. Our goal is to provide you peace of mind about the true nature of your indoor environment. Environmental engineering combines science and engineering principles to improve aspects of the environment. IndoorDoctor® specialists use these fundamentals to define your environmental concern, evaluate its significance, and develop corrective actions or preventative plans to reduce the perceived hazard.
"Tech James, was great. Took his time and explained everything to me. I didn't feel like he was just trying to take my money. "
Greg T on November 2025
We provide peace of mind & solutions for your indoor environmental needs. IndoorDoctor ® evaluates the health of your indoors using proven testing techniques, unmatched state-of-the-art equipment, and years of experience handling environmental issues like yours. We help determine if your indoor environment is healthy through an unbiased assessment using proven testing techniques, unmatched state-of-the-art testing equipment, and years of experience handling issues like yours. We've successfully completed over 35,000+ indoor environmental inspections. Our goal is to provide you peace of mind about the true nature of your indoor environment. Environmental engineering combines science and engineering principles to improve aspects of the environment. IndoorDoctor® specialists use these fundamentals to define your environmental concern, evaluate its significance, and develop corrective actions or preventative plans to reduce the perceived hazard.
"Tech James, was great. Took his time and explained everything to me. I didn't feel like he was just trying to take my money. "
Greg T on November 2025

My Pure Environment- New England
My Pure Environment- New England
My Pure Environment New England provides mold removal from homes and businesses throughout Massachusetts. We use a patented dry fog technology that allows us to wipe out the toxic mold, like black mold, from virtually any building. Our revolutionary demolition-free mold remediation method means we can break down microbes on a molecular level, and get rid of the problem without removing walls or ceilings. And because our mold treatment fog is dry, nothing in your home or office is at risk for water damage. Best of all it's all-natural using EPA-registered products and is the only mold remediation process with a one-year guarantee
"Pure Environmental was fantastic. Ray our technician was wonderful. He explained what the process would be he was so knowledgeable I was very impressed."
Maryann G on November 2025
My Pure Environment New England provides mold removal from homes and businesses throughout Massachusetts. We use a patented dry fog technology that allows us to wipe out the toxic mold, like black mold, from virtually any building. Our revolutionary demolition-free mold remediation method means we can break down microbes on a molecular level, and get rid of the problem without removing walls or ceilings. And because our mold treatment fog is dry, nothing in your home or office is at risk for water damage. Best of all it's all-natural using EPA-registered products and is the only mold remediation process with a one-year guarantee
"Pure Environmental was fantastic. Ray our technician was wonderful. He explained what the process would be he was so knowledgeable I was very impressed."
Maryann G on November 2025

My Pure Environment New England
My Pure Environment New England
My Pure Environment specializes in using a patented dry fog process to kill mold without any to very little demolition. We pride ourselves on being the best at mold remediation both in efficacy, timeframe, and value. We’re so confident in this that we offer a warranty that is unparalleled in our industry! Mold is all we do, this is our passion and sole focus, no one knows mold and mold remediation like we do. It is our goal to bring every home and business back to a safe and healthy environment while giving our customers the peace of mind and confidence that only comes from having the best work done by the best people. If you have mold concerns and need testing, have a mold problem you need fixed and want to prevent future mold development, then we are your only solution! We look forward to serving you and yours with integrity and great care.
"Fast response to my inquiry. Very knowledgeble in remediating mold issues. Price is very fair. Performed the job the next day. Excellent communication. Very happy with Rei's service. Highly recommended."
Yiqing W on May 2025
My Pure Environment specializes in using a patented dry fog process to kill mold without any to very little demolition. We pride ourselves on being the best at mold remediation both in efficacy, timeframe, and value. We’re so confident in this that we offer a warranty that is unparalleled in our industry! Mold is all we do, this is our passion and sole focus, no one knows mold and mold remediation like we do. It is our goal to bring every home and business back to a safe and healthy environment while giving our customers the peace of mind and confidence that only comes from having the best work done by the best people. If you have mold concerns and need testing, have a mold problem you need fixed and want to prevent future mold development, then we are your only solution! We look forward to serving you and yours with integrity and great care.
"Fast response to my inquiry. Very knowledgeble in remediating mold issues. Price is very fair. Performed the job the next day. Excellent communication. Very happy with Rei's service. Highly recommended."
Yiqing W on May 2025

microGARD
microGARD
Indoor Air Quality has never been more important as we all spend more time at home with our children and even aged parents. Often the young and elderly have a compromised immune system that makes them especially susceptible to airborne particles. Microgard takes this health concern very seriously and we do our best to answer your call promptly and get to your home in the same week in most cases! Mold can easily aggravate a variety of symptoms so we consider your call to be as urgent as you do.
"Not a happy customer, very disappointed with the outcome. The mold remediation was contained to a 12 x 24 bedroom and was limited to surface mold (mostly furniture) caused by condensation and humidity. The carpeting was also removed & discarded. The total cost was very expensive ($4,250) for what ended up being 5 hours of work. This is over $800 an hour! Here are a few things we were not happy about; 1. There were plastic barriers taped to the walls during the process which caused the paint/plaster to be pulled off the wall in several areas. Now we have another expense to fix this problem. 2. We had told Kerry to leave us the dumpster for a few more days (since we had paid for it up to a week), but he went ahead and told the company to remove it the following day. 3. We found additional mold on the closet baseboard that had been missed and we needed to clean it ourselves. Needless to say, we do not recommend this company."
Michael T on September 2025
Indoor Air Quality has never been more important as we all spend more time at home with our children and even aged parents. Often the young and elderly have a compromised immune system that makes them especially susceptible to airborne particles. Microgard takes this health concern very seriously and we do our best to answer your call promptly and get to your home in the same week in most cases! Mold can easily aggravate a variety of symptoms so we consider your call to be as urgent as you do.
"Not a happy customer, very disappointed with the outcome. The mold remediation was contained to a 12 x 24 bedroom and was limited to surface mold (mostly furniture) caused by condensation and humidity. The carpeting was also removed & discarded. The total cost was very expensive ($4,250) for what ended up being 5 hours of work. This is over $800 an hour! Here are a few things we were not happy about; 1. There were plastic barriers taped to the walls during the process which caused the paint/plaster to be pulled off the wall in several areas. Now we have another expense to fix this problem. 2. We had told Kerry to leave us the dumpster for a few more days (since we had paid for it up to a week), but he went ahead and told the company to remove it the following day. 3. We found additional mold on the closet baseboard that had been missed and we needed to clean it ourselves. Needless to say, we do not recommend this company."
Michael T on September 2025

All Clean Environmental Services, Inc.
All Clean Environmental Services, Inc.
All Clean Environmental Services, Inc. is a full-service hazardous materials remediation firm specializing in mold and asbestos removal using the highest quality safety standards. We have 25 years of experience as asbestos contractors who also perform mold removal and controlled interior demolition. Our employees are fully licensed by the Massachusetts Department of Labor Standards and trained in the most current federal EPA and Massachusetts DEP standards. Clean Air Environmental, Inc is based in Boston Massachusetts and serves customers across the state including Cape Cod, and the islands. We offer service by appointment as well as 24/7 emergency services, so call us at 617-970-2572 or email [email protected] to set up a free estimate or consultation.
"For those of you looking for an honest, kind, caring person in the world of “hazardous vapors” look no further than this company. Kevin at All Clean Environmental Services took my panicked call on a Saturday and listened in detail about health concerns regarding “moth ball odors” in my family’s rental property. With that he volunteered to come and “check out” the offensive odors. Kevin was very discreet as well as thorough in his handling of visit to “our” home. Having never dealt with this problem he was quickly in contact with his suppliers of treatment options."
MARIA W on August 2023
All Clean Environmental Services, Inc. is a full-service hazardous materials remediation firm specializing in mold and asbestos removal using the highest quality safety standards. We have 25 years of experience as asbestos contractors who also perform mold removal and controlled interior demolition. Our employees are fully licensed by the Massachusetts Department of Labor Standards and trained in the most current federal EPA and Massachusetts DEP standards. Clean Air Environmental, Inc is based in Boston Massachusetts and serves customers across the state including Cape Cod, and the islands. We offer service by appointment as well as 24/7 emergency services, so call us at 617-970-2572 or email [email protected] to set up a free estimate or consultation.
"For those of you looking for an honest, kind, caring person in the world of “hazardous vapors” look no further than this company. Kevin at All Clean Environmental Services took my panicked call on a Saturday and listened in detail about health concerns regarding “moth ball odors” in my family’s rental property. With that he volunteered to come and “check out” the offensive odors. Kevin was very discreet as well as thorough in his handling of visit to “our” home. Having never dealt with this problem he was quickly in contact with his suppliers of treatment options."
MARIA W on August 2023

Green Home Solutions of North Central and Western MA
Green Home Solutions of North Central and Western MA
Why Choose Green Home Solutions? Here are the advantages of our Indoor Air Quality Services! -Affordable: Typically, we can preserve more of your existing building materials which can reduce costs.-Effective: Our licensed and/or certified representatives determine the source of the mold, mildew or odor problem and treat it. Our product is catalytic, which means it keeps on working.-EPA registered Products: We don’t use harsh chemicals. The health and safety of your family is always our goal. The products we use in our services are selected with that in mind. -Fast: We can complete mold remediation in days not months. This is a fraction of the time it usually takes our competitors.
"Dino was excellent and very clear in the testing and results and solution."
Pat L on September 2023
Why Choose Green Home Solutions? Here are the advantages of our Indoor Air Quality Services! -Affordable: Typically, we can preserve more of your existing building materials which can reduce costs.-Effective: Our licensed and/or certified representatives determine the source of the mold, mildew or odor problem and treat it. Our product is catalytic, which means it keeps on working.-EPA registered Products: We don’t use harsh chemicals. The health and safety of your family is always our goal. The products we use in our services are selected with that in mind. -Fast: We can complete mold remediation in days not months. This is a fraction of the time it usually takes our competitors.
"Dino was excellent and very clear in the testing and results and solution."
Pat L on September 2023

Mold Test Company North East
Mold Test Company North East
At Mold Test Company North East, we take great pride our experience, expertise, quality and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer a professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.
"When I called the mold company for my lab results. They gave me a person named Ricardo Echeverria, Senior Mold Analyst to call for the results. He verbally told me that the cause was something like a remodel, construction going on. There was a red flag for a VOC called Methylene Chloride--Banned outdated paint. I sent Ricardo and email asking if I can have a report of what he said in writing. I only received a contaminants list. I said, I am not a scientist and do not understand the lab results.I never received a response back from him. I called Jeremiah Bancroft a few times and asked for a written explanation of the causes. He could not supply me with a written explanation because it was a legal issue. I asked for his help. I need your help. Jeremiah said, go to your primary care for a doctors note. That was the last time I spoke to him on September 19, 2024"
Stephanie B on October 2024
At Mold Test Company North East, we take great pride our experience, expertise, quality and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer a professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.
"When I called the mold company for my lab results. They gave me a person named Ricardo Echeverria, Senior Mold Analyst to call for the results. He verbally told me that the cause was something like a remodel, construction going on. There was a red flag for a VOC called Methylene Chloride--Banned outdated paint. I sent Ricardo and email asking if I can have a report of what he said in writing. I only received a contaminants list. I said, I am not a scientist and do not understand the lab results.I never received a response back from him. I called Jeremiah Bancroft a few times and asked for a written explanation of the causes. He could not supply me with a written explanation because it was a legal issue. I asked for his help. I need your help. Jeremiah said, go to your primary care for a doctors note. That was the last time I spoke to him on September 19, 2024"
Stephanie B on October 2024

S & W Tile
S & W Tile
S&W Tile is your one stop TILE, MARBLE, and GLASS TILE installers. Specializing in SCHLUTER KERDI SHOWER SYSTEMS. All facets of flooring and Custom Tile installations. Professional ReCaulking, and Waterproofing of new and old tile installations. We do everything from Re-Grouts to Tile repair. Call or Email ([email protected])anytime for your Tile needs. You can also find us on Facebook for more pictures. (About Us) "S & W Tile has been helping customers with all their tile needs for over 10 years in the Boston area, with over 5 years of top service ranking on Angieslist.com. From its conception, Wes O'Connor and his team have been leading the field of tile installers in Boston with their timely service, custom tile work, job execution, and excellent communication skills. At S&W Tile, the team operates under principles that are applied to every job. Customer satisfaction is our first priority. In order to ensure customer satisfaction, modern techniques and continuing education is essential. All of S&W’s employees are trained with the best and most efficient tile systems on the market. Training for all employees on the latest trends and techniques occurs several times of year." **SERVICE FEE for any estimates outside our area.
"Wes and his team saved us from a terrible situation! We recently had our bathroom completely redone by a contractor who we didn't really know, and the work wasn't done well. We called in Wes, having worked with him several years ago to tile our kitchen, and he came by to take a look. Thank goodness he did! After his initial assessment, he knew right away that our "new" shower was likely leaking, and that there were multiple issues with both the tile and the structure of the shower itself. Wes coached us through buying the materials that we would need, and drew up a contract to get going on the project as soon as possible. After demolition, the problems really became apparent! All kinds of leaks, CUT FLOOR JOISTS, and other incredibly sketchy shortcuts from the original contractor. Wes walked us through the best strategy to fix everything and his team worked diligently to correct all of the issues and tile the shower beautifully. We will be working with Wes again for many more projects, particularly fixing the floor in this bathroom, which was also a hack job. He has been professional and courteous in all of our dealings with him, he shows up on time when he says he will, answers all of our questions truthfully and in depth, and he cleaned up after himself at the end of every day and at the end of the job, which is always a huge bonus! Thanks to Wes and his team for their hard work to get us the shower of our dreams, and save us from a mess further down the line."
Renee J on July 2023
S&W Tile is your one stop TILE, MARBLE, and GLASS TILE installers. Specializing in SCHLUTER KERDI SHOWER SYSTEMS. All facets of flooring and Custom Tile installations. Professional ReCaulking, and Waterproofing of new and old tile installations. We do everything from Re-Grouts to Tile repair. Call or Email ([email protected])anytime for your Tile needs. You can also find us on Facebook for more pictures. (About Us) "S & W Tile has been helping customers with all their tile needs for over 10 years in the Boston area, with over 5 years of top service ranking on Angieslist.com. From its conception, Wes O'Connor and his team have been leading the field of tile installers in Boston with their timely service, custom tile work, job execution, and excellent communication skills. At S&W Tile, the team operates under principles that are applied to every job. Customer satisfaction is our first priority. In order to ensure customer satisfaction, modern techniques and continuing education is essential. All of S&W’s employees are trained with the best and most efficient tile systems on the market. Training for all employees on the latest trends and techniques occurs several times of year." **SERVICE FEE for any estimates outside our area.
"Wes and his team saved us from a terrible situation! We recently had our bathroom completely redone by a contractor who we didn't really know, and the work wasn't done well. We called in Wes, having worked with him several years ago to tile our kitchen, and he came by to take a look. Thank goodness he did! After his initial assessment, he knew right away that our "new" shower was likely leaking, and that there were multiple issues with both the tile and the structure of the shower itself. Wes coached us through buying the materials that we would need, and drew up a contract to get going on the project as soon as possible. After demolition, the problems really became apparent! All kinds of leaks, CUT FLOOR JOISTS, and other incredibly sketchy shortcuts from the original contractor. Wes walked us through the best strategy to fix everything and his team worked diligently to correct all of the issues and tile the shower beautifully. We will be working with Wes again for many more projects, particularly fixing the floor in this bathroom, which was also a hack job. He has been professional and courteous in all of our dealings with him, he shows up on time when he says he will, answers all of our questions truthfully and in depth, and he cleaned up after himself at the end of every day and at the end of the job, which is always a huge bonus! Thanks to Wes and his team for their hard work to get us the shower of our dreams, and save us from a mess further down the line."
Renee J on July 2023

Drycrete Waterproofing
Drycrete Waterproofing
Drycrete Waterproofing is the premier full-service basement waterproofing company. We specialize in interior drainage systems, sump pump installation and servicing, foundation crack injections, slab removal and basement lowering. We are the most trusted source for guaranteed solutions to wet and damp basements in homes or businesses in Massachusetts. Drycrete uses the best available products on the market and our expert process transforms a wet undesirable basement into a safe, dry and usable space. Our company values are based around Integrity, Innovation, Craftsmanship & Compassion.
"I moved into a 2 year old house to immediately find water seeping into the basement. I found some signs of it around the baseboard moldings. I called a couple of companies, one of them Drycrete and another, an interior french drain company. The french drain company wanted to jack hammer my finished basement and install one of their systems, an additional sump pump, and a ton of exterior work for pump discharge. That was going to cost 15-20k. Drycrete on the other hand, walked around the perimeter and noticed the obvious - foundation cracks. Those are cheap to fix, but not a guarantee. In any case, I decided to start from the top down, cracks first, 20k french drain later. The process for a crack seal is pretty straight forward and if I wasn't as pannicked I would have attempted it myself. They used Poly to inject into the crack and it worked. The basemet is dry. My sheetrock is open and the wall is still bare from the spray foam along the crack lines. I constantly measure the moisture content in the baseplates and it's slowly getting back to normal. But the moral of the story is - whatever company you bring on to a job site, whatever sperialty it is that they do, that's the solution they will likely propose to you. Drycrete did a good job as far as getting the right diagnosis. If I had to change anything about my experience with Drycrete, maybe I woould have requested for them to put up Zipwalls around the work area. Drywall and concrete dust went everywhere. Overall, good work y'all."
Yevgeniy B on January 2023
Drycrete Waterproofing is the premier full-service basement waterproofing company. We specialize in interior drainage systems, sump pump installation and servicing, foundation crack injections, slab removal and basement lowering. We are the most trusted source for guaranteed solutions to wet and damp basements in homes or businesses in Massachusetts. Drycrete uses the best available products on the market and our expert process transforms a wet undesirable basement into a safe, dry and usable space. Our company values are based around Integrity, Innovation, Craftsmanship & Compassion.
"I moved into a 2 year old house to immediately find water seeping into the basement. I found some signs of it around the baseboard moldings. I called a couple of companies, one of them Drycrete and another, an interior french drain company. The french drain company wanted to jack hammer my finished basement and install one of their systems, an additional sump pump, and a ton of exterior work for pump discharge. That was going to cost 15-20k. Drycrete on the other hand, walked around the perimeter and noticed the obvious - foundation cracks. Those are cheap to fix, but not a guarantee. In any case, I decided to start from the top down, cracks first, 20k french drain later. The process for a crack seal is pretty straight forward and if I wasn't as pannicked I would have attempted it myself. They used Poly to inject into the crack and it worked. The basemet is dry. My sheetrock is open and the wall is still bare from the spray foam along the crack lines. I constantly measure the moisture content in the baseplates and it's slowly getting back to normal. But the moral of the story is - whatever company you bring on to a job site, whatever sperialty it is that they do, that's the solution they will likely propose to you. Drycrete did a good job as far as getting the right diagnosis. If I had to change anything about my experience with Drycrete, maybe I woould have requested for them to put up Zipwalls around the work area. Drywall and concrete dust went everywhere. Overall, good work y'all."
Yevgeniy B on January 2023
The Harvard, MA homeowners’ guide to mold testing and remediation services
From average costs to expert advice, get all the answers you need to get your job done.

The cost of a mold inspection might seem high, but it’s one of the best investments you can make for your health and home. Read on to learn cost-saving tips.

Mold remediation cost can quickly escalate. But if you have mold in your home, the cost for mold remediation is worth it.

Knowing when to get a mold inspection is important, especially if you live in a high-humidity area. Here’s how to decide whether or not to call a professional.

The best way to keep your home free of unwanted bacteria is to know how to get rid of mold in advance. Stay on top of it with a few tips and tools.

Got mold on your washing machine? Follow this guide to learn how to clean mold from a washing machine and make your laundry smell fresh.

Moisture can cause problems in any area of your home, but bathrooms are notorious for moisture issues. Learn how to reduce moisture in your bathroom with this guide.
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