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Top-Rated Mold testing and remediation specialists in Pevely - Updated Nov 2026

Avatar for Claro Complete Mold Remediation - St. Louis
Claro Complete Mold Remediation - St. Louis
4.8(
71
)
Mold & Toxic Material Test - For BusinessToxicity and Mold - RemovalToxicity and Mold - Removal - For Business

Serving Pevely, MO and surrounding areas

Approved

In business since 2006

Free estimates

Warranties offered

At Claro - Complete Mold Remediation - St. Louis, we believe a healthy home starts with the air you breathe. We help families and businesses find mold, fix it at the source, and feel at home again. We serve St. Louis, Clayton, Ladue, Kirkwood, Webster Groves, Creve Coeur, Chesterfield, Ballwin, St. Charles, O’Fallon and surrounding areas. Our services include mold inspection, lab-based mold and air testing with same-day assessments, whole-home and crawlspace mold remediation, water damage cleanup, and commercial mold remediation. \n\nEvery job follows a source-first process: containment, moisture correction, physical removal of contaminated materials, structural drying, and a whole-home dry fog treatment that reaches hidden spores in walls, vents and crawlspaces. We work directly with your insurance company and build every plan around your home and the people living in it.

Recommended by91%of homeowners
Avatar for Quacker's Waterproofing & Basement Repair, LLC
Quacker's Waterproofing & Basement Repair, LLC
4.7(
167
)
Mold & Toxic Material Test

Serving Pevely, MO and surrounding areas

Approved

In business since 2001

Free estimates

Warranties offered

"Quacker's Waterproofing was wonderful. When they came for the estimate, they were fast and no nonsense. They weren't trying to convince me of things that needed doing or dramatizing the work for more money. When I had questions about the work, they didn't make me feel dumb but took extra time out of their day so that I had peace of mind with my foundation. I hope to never need their help again, but I will definitely call them if I do. Special kudos to Rob!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+1

7 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Scope Environmental
Scope Environmental
5.0(
15
)
Indoor Air Quality TestingMold & Toxic Material TestMold & Toxic Material Test - For Business

Serving Pevely, MO and surrounding areas

In business since 2023

Free estimates

Small jobs welcome

"I used Scope Environmental recently to test floor tile and the underlying mastic to determine if either contained asbestos. I selected Scope because Jeff was very responsive, professional, independent of the abatement companies and his price was competitive. Jeff suggested testing both the tiles and mastic. The tiles tested positive for asbestos but the mastic contained no asbestos. As a result, I saved considerable expense by abating the tiles only and not the mastic so I also used Scope again for the post abatement air testing rather than the abatement company. I would hire Scope again for material and air testing for asbestos, mold or any other potentially toxic materials."
Black mold inside closet
Mold growth in HVAC Closet
Asbestos Flooring
Floor sample collection
Asbestos Adhesive

+10

Response time4 hrs
Response rate96%
Recommended by73%of homeowners
Avatar for Pur360
Pur360
4.7(
202
)
Toxicity and Mold - Removal - For Business

Serving Pevely, MO and surrounding areas

In business since 2006

Free estimates

Credit card accepted

"I was happy that the company included surface and air testing in their basic services. Moreover, when the technician came to my home, he was incredibly efficient and clear. He surveyed the area and took samples in 20 minutes. Then, he explained the process for mold remediation in great detail. He was courteous and thorough."
Our Work
Our Work
Our Work
Our Work
Our Work

+27

Recommended by96%of homeowners
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Mold Testing and Remediation FAQs, answered by experts

While mold in the bathroom can appear black, it isn’t always the dangerous black mold strain Stachybotrys chartarum. This type of mold typically appears after a flood or a long-term leak. If you suspect black mold, you should get it tested by a local mold testing service to determine whether it’s safe to remove yourself.

It is common for mold to grow around air vents, especially in areas with high humidity or moisture problems. These vents provide a perfect environment for mold to thrive due to the condensation caused by the meeting of warm and cool air. Mold growth can be accelerated by the presence of dust and debris around the vents. Regular maintenance, proper ventilation, and addressing any water leaks or excess humidity can prevent the growth of mold around air vents.

Mold in a furnace is frequently found on evaporator coils, filters, or within the ductwork. The mold appears in dark, fuzzy patches in either black, green, or white. You may also notice a musty odor. Green or white mold can be cleaned with DIY methods, but if you see black mold, call a professional. Black mold is toxic and harmful to your health.

If you have mold under your vinyl flooring, it’s recommended that you have it ripped out and start fresh. Mold isn’t something to take lightly and should involve a visit from a professional who can both test and identify the mold. If you’re determined to remedy it yourself, wear all the proper protective equipment—eye goggles, a high N-rated mask, and long, disposable gloves.

While it isn’t as dangerous as black mold, pink mold in the shower or elsewhere still poses some health risks, particularly for people with compromised immune systems. Even if you’re in good health, pink mold could cause an infection if it gets into your eyes or penetrates your skin through an open wound.

The Pevely, MO 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.