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Top-Rated Mold & toxic material testers in Naperville - Updated Nov 2026

Avatar for Green Home Solutions - Chicago West Suburbs
Green Home Solutions - Chicago West Suburbs
4.9(
40
)
Mold & Toxic Material Test

Serving Naperville, IL and surrounding areas

Approved

In business since 2019

Emergency services offered

Warranties offered

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

Dark mold growth, while common, can cause allergic reactions and various symptoms even when in the attic.
Great project which ultimately lowered the indoor humidity by 20% making it more livable for the family, storage where there was none previously, and much more healthy from and indoor air quality perspective (no stinky bacteria).
Additional Photos
Additional Photos
Additional Photos

+5

Response time8 hrs
Response rate100%
1 neighbors recently requested a quote
Avatar for Great Environmental, Inc.
Great Environmental, Inc.
4.9(
53
)
Mold & Toxic Material Test

Serving Naperville, IL and surrounding areas

Approved

In business since 2005

Small jobs welcome

Credit card accepted

"Is this business even open any more? I've tried calling several times and the phone rings twice and then there is silence. There is an option to contact them on their website, but when I leave my info and click submit, nothing happens. Can anyone recommend another service similar to this one? The mold smell is coming out of my hvac ducts again. I'm in the Joliet area ."
"Something" Going on in your Home?
Symptoms of a "Sick Home"
Do you know what is in your air?
Your family is all that matters
Nothing is more important than your health!

+2

Response time1 day
10 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for OMG Sanitized, Inc.
OMG Sanitized, Inc.
4.8(
29
)
Mold & Toxic Material Test

Serving Naperville, IL and surrounding areas

Approved

In business since 2015

Warranties offered

Credit card accepted

"Aaron and Mike were very good at explaining the entire process of checking our home for mold and air quality. We did have them clean our air ducts and treat them as well. All clean up after the project was perfect and no mess was left behind. Prices are great. Will use them again if needed!"
Attic Mold
Attic Mold Removal
Professional Mold Inspector
Professional Mold Inspection
Professional Mold Inspection

+1

Response time7 hrs
Response rate89%
Recommended by100%of homeowners
Avatar for AdvantaClean of Northwest Chicagoland
AdvantaClean of Northwest Chicagoland
5.0(
128
)
Mold & Toxic Material Test

Serving Naperville, IL and surrounding areas

Approved

Super Service Award Winner

In business since 1994

Free estimates

Emergency services offered

"Working with Advantaclean on mold remediation project was a nice experience. We noticed mold in patches in our bathroom, Advantaclean they worked on this mold remediation project and the end result, mold free bathroom. After they completed their work also did post test and result came negative. The crew worked on this project are very professional and they did the job nicely. I would highly recommend using them for any mold remediation needs. Thanks to JT, Kaitlyn, Ian and the crew who worked on this project."
Damaged Wall
Drywall Removal
Attic Remed.
Attic Remed.
Attic Remed.

+55

Response time9 hrs
Response rate100%
Recommended by86%of homeowners
Avatar for AdvantaClean of Northwest Chicagoland
AdvantaClean of Northwest Chicagoland
5.0(
128
)
Mold & Toxic Material Test

Serving Naperville, IL and surrounding areas

Approved

In business since 1994

Free estimates

Emergency services offered

AdvantaClean of NW Chicagoland specializes in residential and commercial emergency water damage restoration, mold remediation, moisture control, and specialty cleaning services. \n \nWhether you are dealing with unexpected water damage, mold concerns, moisture problems in your basement or crawlspace, attic issues, or indoor air quality concerns, our experienced team is here to help. We focus on clear communication, thorough work, and detailed documentation so you can feel confident in the work being completed on your property. \n \nOur services include emergency water mitigation and structural drying, mold remediation, basement waterproofing, crawlspace encapsulation, attic remediation, insulation removal, air duct cleaning, and small particle cleaning. \n \nLocally owned and operated, proudly serving homeowners and businesses throughout NW Chicagoland. We look forward to working with you!

Recommended by86%of homeowners
Avatar for Mold Test Company IL
Mold Test Company IL
3.8(
106
)
Mold & Toxic Material Test

Serving Naperville, IL and surrounding areas

Approved

In business since 2008

Emergency services offered

Small jobs welcome

"Our technician, David was fabulous. I have changed my review because Jeremiah was able to make things right. The company definitely stood behind their work and I would highly recommend Mold Test Company for residential or business if you are having issues with mold. Thanks Jeremiah for everything"
Mold Inspection
Mold Inspection
Mold Inspection
Mold Inspection
Mold Inspection

+78

Response time1 day
273 neighbors recently requested a quote
Recommended by80%of homeowners
Avatar for Rapid Mold Services, LLC
Rapid Mold Services, LLC
4.8(
27
)
Mold & Toxic Material Test

Serving Naperville, IL and surrounding areas

Approved

In business since 2007

Free estimates

Credit card accepted

"I had a water heater leak that contaminated a 4x5 room with mold. RMS came over and thoroughly explained what they can do to fix it. They were punctual and also informative while they worked which made my wife comfortable with their work. The mold is gone and my family is safe. I would hire them again if ever needed."
Kitchen sealed off
Sink
Downtown Chicago
Downtown Chicago
Downtown Chicago

+2

Recommended by68%of homeowners
Avatar for Zero Mold
Zero Mold
4.8(
41
)
Mold & Toxic Material Test

Serving Naperville, IL and surrounding areas

In business since 2005

Free estimates

Emergency services offered

"Excellent Michael and Jacob from zero mold were highly professional and explained the process in easy to understand language. Price, warranty and work ethics was unmatched. Go zero mold. It will be a pleasure to recommend Zero Mold"
Post mold removal
Zeromold using its smart dry fog to eliminate mold spores in a home
Water and fire damage
Zeromold emerge to help family.
Mold Testing & Remediation Project

+79

Recommended by95%of homeowners
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FAQs for mold & toxic material test projects in Naperville, IL

Some companies offer a no‑cost phone or video consultation that screens for red flags. If the discussion points to a real issue, the pro will recommend a paid on‑site inspection. The complimentary call clarifies whether you need full testing, but it isn’t a substitute for samples, lab work, or a written report. Always confirm what the free service covers before you schedule.

A standard inspection, which includes basic air and surface samples, takes an average of two hours. If the pro needs to probe hidden spaces, such as wall cavities or ductwork, plan on up to six hours. Extra time allows the inspector to reach tight areas, collect additional samples, and document findings. Lab analysis is a separate process and often adds several business days to the overall timeframe before you receive the full report.

Mold thrives where moisture lingers and air flow is poor. Common hotspots include bathroom walls, kitchen backsplashes, window sills, HVAC vents, fireplaces, crawl spaces, and enclosed attics. Check these areas regularly—especially after leaks or high‑humidity weather—to catch growth early and avoid costly repairs.

Unchecked mold can knock 20% to 37% off a home’s market value because buyers worry about hidden damage and health risks. Even after remediation, visible staining or a history of major moisture issues can still lower offers and prolong the time on the market. Addressing mold quickly protects both your property’s structural integrity and its resale appeal.

The Naperville, IL homeowners’ guide to mold & toxic material tests

From average costs to expert advice, get all the answers you need to get your job done.