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    Verified mold testing and remediation services reviews

Find Mold testing and remediation specialists in Downers Grove

Avatar for AdvantaClean of Northwest Chicagoland

AdvantaClean of Northwest Chicagoland

4.97(
105
)
Approved Pro

AdvantaClean of Northwest Chicagoland

4.97(
105
)
Approved Pro
Customers say: Super punctual
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
31 years of experience

AdvantaClean of Northwest Chicagoland is locally owned and operated by JT and Marie Maier. Because your satisfaction is our top priority, we promise to provide you with the best service experience possible. We have a team of caring, industry-trained and certified professionals ready to address your needs. Whether responding to emergency water damage or mold or moisture intrusion, we ensure that the air you breathe is clean and healthy. We look forward to meeting you!

"Patryk and Mathew were excellent and very professional! Excellent work ethic, communication and very thorough job! Looks 100% better and feels clean…. Never saw a clean attic until today! Excellent job! Highly recommend this company and these technicians!"

Darryl R on October 2025

AdvantaClean of Northwest Chicagoland is locally owned and operated by JT and Marie Maier. Because your satisfaction is our top priority, we promise to provide you with the best service experience possible. We have a team of caring, industry-trained and certified professionals ready to address your needs. Whether responding to emergency water damage or mold or moisture intrusion, we ensure that the air you breathe is clean and healthy. We look forward to meeting you!

"Patryk and Mathew were excellent and very professional! Excellent work ethic, communication and very thorough job! Looks 100% better and feels clean…. Never saw a clean attic until today! Excellent job! Highly recommend this company and these technicians!"

Darryl R on October 2025


Avatar for Bluestone Environmental Inc

Bluestone Environmental Inc

4.94(
180
)
Approved Pro

Bluestone Environmental Inc

4.94(
180
)
Approved Pro
Customers say: Super punctual
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
19 years of experience

Bluestone Environmental is an established asbestos and mold remediation company that services homes and businesses throughout greater Chicagoland and northern/central Illinois. Bluestone Environmental is an IDPH-licensed asbestos removal contractor (License #500-0734) -Special discounts provided to Angie's List Members (-10%). Additional Phone Number - (800) 708-9053 Additional E-mail - [email protected] Email: www.bluestonemidwest.com

"They were friendly and gave us some honest feeling suggestions."

Jorge Z on October 2023

Bluestone Environmental is an established asbestos and mold remediation company that services homes and businesses throughout greater Chicagoland and northern/central Illinois. Bluestone Environmental is an IDPH-licensed asbestos removal contractor (License #500-0734) -Special discounts provided to Angie's List Members (-10%). Additional Phone Number - (800) 708-9053 Additional E-mail - [email protected] Email: www.bluestonemidwest.com

"They were friendly and gave us some honest feeling suggestions."

Jorge Z on October 2023


Avatar for Environmental Services Corp

Environmental Services Corp

5.00(
56
)
Approved Pro

Environmental Services Corp

5.00(
56
)
Approved Pro
Super Service Award
Customers say: Quick response
5 years of experience
Free onsite estimate

We specialize in Asbestos Testing, Asbestos Removal, Mold Mitigation, Demolition, concrete Epoxy Flooring, Flood Restoration, Cleaning services, and general home repairs. Contact us for a free estimate. With 20 years of experience, we stand out Keeping Your Space Safe.

"Really appreciated the responsiveness, efficiency, and quick turn around time."

Teresa R on December 2025

We specialize in Asbestos Testing, Asbestos Removal, Mold Mitigation, Demolition, concrete Epoxy Flooring, Flood Restoration, Cleaning services, and general home repairs. Contact us for a free estimate. With 20 years of experience, we stand out Keeping Your Space Safe.

"Really appreciated the responsiveness, efficiency, and quick turn around time."

Teresa R on December 2025


Avatar for Great Environmental, Inc.

Great Environmental, Inc.

5.00(
42
)
Approved Pro

Great Environmental, Inc.

5.00(
42
)
Approved Pro
Customers say: Quality work
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
20 years of experience

Great Environmental has been helping homeowners and small business owners with their environmental and air quality concerns since 2005. Through our 20+ years in business, we get calls all the time from people who suspect there is “something going on” in their home or business that is making people sick. We would go out and do a standard airborne mold test, and there were dozens of instances where the results came back as normal. Our customers were left paying for a test instead of getting some answers. In these cases, all we were able to tell them is what WASN'T causing their symptoms… until now! Introducing our IAQ Home Survey: - Monitors for 500+ airborne chemicals AND hidden mold growth with a SINGLE AIR SAMPLE! - One test covers up to 2,000 sq. ft. - Identifies chemical pollutants that could make you sick - Predicts sources of the chemicals, whether from the home or its contents Get the peace of mind you are looking for, not just mold test results and no solutions!!

"Excellent! It is a Family owned business. Matt is very personable and explained everything with the whole process. I needed someone right away, and he genuinely seemed like he wanted to help. He fit us in his schedule immediately, even right before Memorial weekend. We got results very quickly, within 2-3 days and we were able to move along closing on our house. I would definitely recommend them as well as the testing for your home."

Patricia H on June 2022

Great Environmental has been helping homeowners and small business owners with their environmental and air quality concerns since 2005. Through our 20+ years in business, we get calls all the time from people who suspect there is “something going on” in their home or business that is making people sick. We would go out and do a standard airborne mold test, and there were dozens of instances where the results came back as normal. Our customers were left paying for a test instead of getting some answers. In these cases, all we were able to tell them is what WASN'T causing their symptoms… until now! Introducing our IAQ Home Survey: - Monitors for 500+ airborne chemicals AND hidden mold growth with a SINGLE AIR SAMPLE! - One test covers up to 2,000 sq. ft. - Identifies chemical pollutants that could make you sick - Predicts sources of the chemicals, whether from the home or its contents Get the peace of mind you are looking for, not just mold test results and no solutions!!

"Excellent! It is a Family owned business. Matt is very personable and explained everything with the whole process. I needed someone right away, and he genuinely seemed like he wanted to help. He fit us in his schedule immediately, even right before Memorial weekend. We got results very quickly, within 2-3 days and we were able to move along closing on our house. I would definitely recommend them as well as the testing for your home."

Patricia H on June 2022


Avatar for Green Home Solutions - Chicago West Suburbs

Green Home Solutions - Chicago West Suburbs

4.90(
31
)
Approved Pro

Green Home Solutions - Chicago West Suburbs

4.90(
31
)
Approved Pro
Customers say: Quick response
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
5 years of experience

Green Home Solutions - Chicago West Suburbs is committed to excellence in every aspect of our business. 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 plant based organic 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. - Effective: 100% Kill Rate for mold, odor and VOC's. - Happy Customers: 98.8% Customer Satisfaction

"Friendly and honest!"

Frank L on October 2024

Green Home Solutions - Chicago West Suburbs is committed to excellence in every aspect of our business. 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 plant based organic 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. - Effective: 100% Kill Rate for mold, odor and VOC's. - Happy Customers: 98.8% Customer Satisfaction

"Friendly and honest!"

Frank L on October 2024


Avatar for Master Catastrophe Team LLC

Master Catastrophe Team LLC

5.00(
22
)
Approved Pro

Master Catastrophe Team LLC

5.00(
22
)
Approved Pro
Super Service Award
Customers say: True professional
7 years of experience
Free onsite estimate

With over 30 years of dedicated experience in the mold, water, fire, and trauma cleanup industry, I have honed my skills and knowledge to provide exceptional services to my clients. My journey began with a passion for helping others in their most challenging times, and it has evolved into a fulfilling career where I can make a tangible difference. I am certified in mold testing and water damage restoration, ensuring that I employ the latest techniques and adhere to industry standards to deliver effective solutions. My expertise extends beyond mold and water; I also specialize in fire damage restoration and trauma cleanup, handling sensitive situations with professionalism and compassion. Throughout my career, I have built a reputation for reliability and thoroughness, always prioritizing the safety and well-being of my clients. I understand the complexities involved in recovery and restoration, and I am committed to guiding my clients through every step of the process.

"I had a GREAT experience!! Mike and Mike covered everything before they started, sprayed the mold in the attic which was completely black, painted with a paint specifically made to get rid of and keep mold gone. They were polite, explained things I didn’t understand and cleaned up, all with respect to me and the house. They made sure to keep the air clean, I was there the duration of the project. I would and will highly recommend them to everyone!! Great job, Mikes!!"

Peggy S on June 2025

With over 30 years of dedicated experience in the mold, water, fire, and trauma cleanup industry, I have honed my skills and knowledge to provide exceptional services to my clients. My journey began with a passion for helping others in their most challenging times, and it has evolved into a fulfilling career where I can make a tangible difference. I am certified in mold testing and water damage restoration, ensuring that I employ the latest techniques and adhere to industry standards to deliver effective solutions. My expertise extends beyond mold and water; I also specialize in fire damage restoration and trauma cleanup, handling sensitive situations with professionalism and compassion. Throughout my career, I have built a reputation for reliability and thoroughness, always prioritizing the safety and well-being of my clients. I understand the complexities involved in recovery and restoration, and I am committed to guiding my clients through every step of the process.

"I had a GREAT experience!! Mike and Mike covered everything before they started, sprayed the mold in the attic which was completely black, painted with a paint specifically made to get rid of and keep mold gone. They were polite, explained things I didn’t understand and cleaned up, all with respect to me and the house. They made sure to keep the air clean, I was there the duration of the project. I would and will highly recommend them to everyone!! Great job, Mikes!!"

Peggy S on June 2025


Avatar for OMG Sanitized, Inc.

OMG Sanitized, Inc.

4.84(
29
)
Approved Pro

OMG Sanitized, Inc.

4.84(
29
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
10 years of experience

OMG Sanitized, Inc. is very pleased to offer quality mold remediation products and services for our customers. It is our mission to provide excellent workmanship and complete customer satisfaction throughout the entire process from beginning to end. Our reputation is based on service, reliability, honesty, and quality, regardless of the size or type of project. Our treatments are non-toxic and highly effective for killing mold, mildew, fungi, viruses, and bacteria. We have a team of licensed professionals that will provide no-hassle estimates and honest recommendations for our customers. Mold Remediation treatments come with a warranty that is transferable and lasts for two years. OMG also provides mold reports, mold clearance letters, IAQ reports, and lab testing for our customers.

"Great working with Aaron and John. Very thorough and completed the job on time. Left everything better than when they got here. Excellent service!!"

Marilyn N on December 2021

OMG Sanitized, Inc. is very pleased to offer quality mold remediation products and services for our customers. It is our mission to provide excellent workmanship and complete customer satisfaction throughout the entire process from beginning to end. Our reputation is based on service, reliability, honesty, and quality, regardless of the size or type of project. Our treatments are non-toxic and highly effective for killing mold, mildew, fungi, viruses, and bacteria. We have a team of licensed professionals that will provide no-hassle estimates and honest recommendations for our customers. Mold Remediation treatments come with a warranty that is transferable and lasts for two years. OMG also provides mold reports, mold clearance letters, IAQ reports, and lab testing for our customers.

"Great working with Aaron and John. Very thorough and completed the job on time. Left everything better than when they got here. Excellent service!!"

Marilyn N on December 2021


"On time, detailed and efficient. Made several helpful suggestions and provided prompt report of findings. Highly recommend. "

Amelia M on November 2025

We provide professional, polite, and thorough testing and inspection services to our customers in the Chicago land area. Please contact us today for Mold testing and/or home inspections.

"On time, detailed and efficient. Made several helpful suggestions and provided prompt report of findings. Highly recommend. "

Amelia M on November 2025


Avatar for Indoor Air Repair, Inc.

Indoor Air Repair, Inc.

4.71(
31
)
Approved Pro

Indoor Air Repair, Inc.

4.71(
31
)
Approved Pro
Customers say: True professional
24 years of experience
Free onsite estimate

Indoor Air Repair is a leading mold testing, mold remediation and water damage restoration company. 24/7 FLOOD SERVICES including WATER EXTRACTION, HIGH CAPACITY FANS, COMMERCIAL DEHUMIDIFIERS and SANITIZATION! We use infrared thermal cameras and moisture meters to efficiently detect areas where a leak originated from and areas where mold could grow. Mold test samples are FedEx'ed to an accredited and independent laboratory for analysis. Testing results are back in 24 hours! The analysis identifies the mold types, quantities and possible toxicity. Our company is Better Business Bureau accredited with an "A+" rating and eleven complaint free years. We are Certified in Mold Testing, and our company and individual technicians are IICRC Certified in Applied Microbial Remediation (mold removal) and Water Damage Restoration. You can also text us at 847-452-9000.

"Josh did a great job cleaning everything up with the mold as far as I can see in the pictures!"

Nikhil V on November 2024

Indoor Air Repair is a leading mold testing, mold remediation and water damage restoration company. 24/7 FLOOD SERVICES including WATER EXTRACTION, HIGH CAPACITY FANS, COMMERCIAL DEHUMIDIFIERS and SANITIZATION! We use infrared thermal cameras and moisture meters to efficiently detect areas where a leak originated from and areas where mold could grow. Mold test samples are FedEx'ed to an accredited and independent laboratory for analysis. Testing results are back in 24 hours! The analysis identifies the mold types, quantities and possible toxicity. Our company is Better Business Bureau accredited with an "A+" rating and eleven complaint free years. We are Certified in Mold Testing, and our company and individual technicians are IICRC Certified in Applied Microbial Remediation (mold removal) and Water Damage Restoration. You can also text us at 847-452-9000.

"Josh did a great job cleaning everything up with the mold as far as I can see in the pictures!"

Nikhil V on November 2024


NoMold Solutions LLC

5.00(
6
)
Approved Pro

NoMold Solutions LLC

5.00(
6
)
Approved Pro
10 years of experience
Free onsite estimate

At NoMold Solutions, we specialize in safe, effective, and long-lasting mold remediation services for homes and businesses throughout Chicagoland and Southern Wisconsin. Our certified team combines advanced inspection techniques, proven remediation methods, and industry-grade equipment to remove mold at its source, protecting your property, air quality, and peace of mind.

"They were very professional, stayed in communication, delivered, and were on time. I had no issues."

Richard S on November 2025

At NoMold Solutions, we specialize in safe, effective, and long-lasting mold remediation services for homes and businesses throughout Chicagoland and Southern Wisconsin. Our certified team combines advanced inspection techniques, proven remediation methods, and industry-grade equipment to remove mold at its source, protecting your property, air quality, and peace of mind.

"They were very professional, stayed in communication, delivered, and were on time. I had no issues."

Richard S on November 2025

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FAQs for mold testing and remediation projects in Downers Grove, IL

Some states require mold removal specialists to be licensed, while others require licensed mold testing companies to create remediation protocols that any contractor can carry out. You can use our state licensing tool to find requirements in your area. In either case, it’s imperative that you hire an experienced professional for mold removal to ensure the safety of your home and your family.

It’s possible to scrub mold off of visible surfaces yourself, but it’s not usually a good idea. Mold is not only a potential health risk, but it’s also difficult to treat in its entirety, especially because it can grow behind walls and in other hidden areas a DIYer might miss. Since mold is a serious and often pervasive issue, you should hire a professional that will remove all of the mold—including any that might be hidden—run industrial air scrubbers to remove airborne particles, and complete mold testing to ensure the underlying problem is solved.

The most effective way to remove mold includes testing affected surfaces and the air for spores, creating a protocol for removal, carrying out the steps within the protocol, running air scrubbers for the recommended amount of time, and then completing a post-remediation round of testing to confirm the issue is solved. Since this work is very involved and there are health risks if done incorrectly, you should always hire an experienced professional to handle mold removal.

The average cost for mold remediation is around $2,200, and most projects fall somewhere between $1,100 and $3,300. Your total will depend on many factors, including the surface area that is affected by mold, the extent of the issue, how much building material your professional needs to replace, whether or not testing is necessary for safety reasons, and existing indoor air quality.

Mold removal will take between one and five days in most cases, but severe mold issues can take several weeks to correct. Your timeline will depend on how much mold there is in your home, where the mold is located, and how much testing and aftercare is required. If you have mold behind your walls or you have an excessive amount of mold that requires removal and running air scrubbers for several days, you could be looking at over a week for the process to be completed.

The Downers Grove, IL 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.