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

Avatar for Midwest Mold Inspections, LLP
Midwest Mold Inspections, LLP
5.0(
5
)
Indoor Air Quality TestingMold & Toxic Material TestMold & Toxic Material Test - For Business

Serving Kaiser, MO and surrounding areas

In business since 2017

Emergency services offered

Small jobs welcome

We are an independent mold inspection company. We offer an unbiased opinion and written reports on how to remediate your mold problem. We hold mold remediators accountable for their work and will grade the quality of their work when they are complete. We also offer various testing methods to ensure you are breathing the best quality air in your home.

Certified Structural Mold Investigator
Response time11 hrs
Response rate91%
Recommended by75%of homeowners
Avatar for Advanced Foundation Repair & Replacement
Advanced Foundation Repair & Replacement
5.0(
30
)
Dry-rot, Water or Pest Damage - Major Repair

Serving Kaiser, MO and surrounding areas

Emergency services offered

"Frank diagnosed the problem accurately and informed me of what needed to be done to fix it. Frank was very knowledgeable, honest and direct. The work was completed quickly and professionally. Very pleased, would use again and highly recommend to others."
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+2

Recommended by100%of homeowners
Avatar for Aerial Advantage Property Services
Aerial Advantage Property Services
4.8(
17
)
Indoor Air Quality TestingMold & Toxic Material TestMold & Toxic Material Test - For Business

Serving Kaiser, MO and surrounding areas

In business since 2021

Free estimates

Emergency services offered

"They were quick to respond and they were available to get the job done quickly. They were very thorough and answered my questions about the inspection. We paid the extra for the air quality inspection to go with the house inspection and it was worth it! It revealed some things that the normal inspection didn't reveal. So we had a very clear understanding of what would needed to be done if we bought the house."
Roof
Aerial Services
Response time8 hrs
Recommended by93%of homeowners
Avatar for American Home Shield – Home Warranty
American Home Shield – Home Warranty
3.5(
5,689
)
Dry-rot, Water or Pest Damage - Major Repair

Serving Kaiser, MO and surrounding areas

In business since 1971

Credit card accepted

"AHS is ok. They cover repairs of most everything under the roof of your house. The companies that contract with them are not always the best. You call AHS with the issue, they send a fax to the repair company and give you the contact info. If they don't contact you within 24 hours, you call them. Sometimes they answer, sometimes they don't. When they arrive (usually three days or so later), they service the item. if it has issues within the 90 days, you call AHS again, they are sent out with no charge. If the serviceman decides the unit is unrepairable, AHS will allow you to choose a replacement from their listing (usually not as good as what you have) they will install and remove your old item, or give you wholesale amount to buy and install your own. Prices vary on what you want covered and what you want the copay to be, plus where you live. For me it is 49.99 per month with a 75.00 time of service order. You can have more than one item serviced at the same time under the same fee. If you have a SEAR product the repair guys are great. Not that wild about the other ones they send out. But it is a big savings compared to calling someone on your own. The cost of service is only the 75.00 copay."
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+2

Recommended by65%of homeowners
Avatar for WaterWorks Plumbing Co.
WaterWorks Plumbing Co.
5.0(
2
)
Dry-rot, Water or Pest Damage - Major Repair

Serving Kaiser, MO and surrounding areas

In business since 2015

Free estimates

Emergency services offered

"A max of 5 stars is an injustice to the service I received. I found a local company without the hassles of excuses or employees being on lake time Tony with waterworks is someone you can trust to give you quality performance with both his work and service. He even took the time and educated me on the pros and cons of my current plumbing to help me avoid any issues in the future. If you need a plumber waterworks has your back"
Response time2 days
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Mold Testing and Remediation FAQs, answered by experts

Yes, professional testing identifies mold presence and type, guiding effective remediation plans that mitigate health risks. By ensuring thorough removal and preventing recurrence, professionals help maintain indoor air quality and reduce potential health hazards.

Inhaling black mold spores, even from behind walls, can cause people to have a wide variety of potential health issues. Some people may only notice a few breathing problems, while others can become quite sick with symptoms related to severe allergies. Constant exposure to mold spores can lead to lung infections and other long-term health problems. If you believe you have black mold inside your walls, you will want to reach out to a pro for an inspection and for advice on how to take care of the problem before it causes severe illness.

Bathroom mold tends to reappear due to the persistent presence of moisture and humidity, creating the ideal conditions for its growth. Since bathrooms are inherently humid environments, without proper ventilation, moisture accumulates on surfaces, providing a continuous food source for mold spores. Mold spores are present in the air and settle on damp surfaces to start growing rapidly. Additionally, if the underlying causes of mold, such as plumbing leaks or inadequate sealing, are not addressed, mold will return even after removal. To avoid recurring issues, addressing the root cause by improving ventilation, fixing leaks, and maintaining a dry bathroom environment through regular cleaning and maintenance is essential.

Yes, if installed correctly. Moisture barrier padding blocks dampness from reaching the padding core and subfloor, where mold loves to grow, especially in humid environments like basements. However, poor installation with gaps or loose seams can do the exact opposite, trapping moisture and creating mold problems. So, make sure to do your installation carefully or hire a professional.

PVC is not considered a hazardous waste in most areas, but regulations vary by location. If in doubt, you should contact your local sanitation department to confirm. The Center for Biological Diversity (CBD) has been working to get PVC classified as hazardous waste, so it’s possible that it will be considered as such in the near future. If it is, disposing of PVC will require the use of a hazardous waste disposal facility or transporter in your area.

The Kaiser, 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.