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*The Angi rating for Biohazard Remediation companies in Wentzville, MO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Biohazard Remediation needs.
*The HomeAdvisor rating for Biohazard Remediation companies in Wentzville, MO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Biohazard Remediation needs.
Last update on November 10, 2025
Find Biohazard remediation specialists in Wentzville

Mold Test Company IL
Mold Test Company IL
When you have mold, making the correct decisions right away is critical. Whether it’s mold in your home, school, place of work or apartment there are many factors to consider. Are you going to be involved in a Mold Lawsuit? Will you be seeking property damages? Is anyone sick from mold exposure? Will you be seeking medical damages? Will you need expert witnesses? If so, what kind? Do you just want to test to be sure your environment is safe? Do you need Post Mold Remediation Testing to ensure a good job was done? These and other factors are questions which need to be answered before any environmental testing starts. It’s important to know what your goals are and why your testing. Different goals require different environmental tests, i.e. medical damages & property damages require different environmental tests to prove your case in court. Tests that a common or inexperienced mold inspector would not
"Great job!"
Marc R on July 2025
When you have mold, making the correct decisions right away is critical. Whether it’s mold in your home, school, place of work or apartment there are many factors to consider. Are you going to be involved in a Mold Lawsuit? Will you be seeking property damages? Is anyone sick from mold exposure? Will you be seeking medical damages? Will you need expert witnesses? If so, what kind? Do you just want to test to be sure your environment is safe? Do you need Post Mold Remediation Testing to ensure a good job was done? These and other factors are questions which need to be answered before any environmental testing starts. It’s important to know what your goals are and why your testing. Different goals require different environmental tests, i.e. medical damages & property damages require different environmental tests to prove your case in court. Tests that a common or inexperienced mold inspector would not
"Great job!"
Marc R on July 2025

Mold Test Company MO
Mold Test Company MO
At Mold Test Company KS, we take great pride our experience, expertise, quality and customer service that we provide to meet the consumers 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.
"."
Keri R on November 2022
At Mold Test Company KS, we take great pride our experience, expertise, quality and customer service that we provide to meet the consumers 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.
"."
Keri R on November 2022

Mold One Missouri
Mold One Missouri
We have a revolutionary dry fog process that changes the way mold treatment is done. Within the span of a few hours, your home will be completely sterilized of any mold, bacteria, and viruses that are within along with deodorizing any smells.
"Very knowledgeable and honest!"
Robert S on September 2024
We have a revolutionary dry fog process that changes the way mold treatment is done. Within the span of a few hours, your home will be completely sterilized of any mold, bacteria, and viruses that are within along with deodorizing any smells.
"Very knowledgeable and honest!"
Robert S on September 2024

Quacker's Waterproofing & Basement Repair, LLC
Quacker's Waterproofing & Basement Repair, LLC
Quacker's Waterproofing & Basement Repair has been family owned and operated since 2001. No subcontractors or commissioned sales people are used. Cost is determined by the job. Due to our experience installing waterproofing systems, fixing foundations as well as our Radon testing and mitigation experience gives us the skill sets to install Radon resistance waterproofing systems. Most of our competitors don't have this combination of skill sets there before may waterproofing systems that are installed can potentially contribute to elevated radon levels in their customer's home. We can solve most foundation/basement problems as well as improve our clients indoor air quality which is a very high priority for us. It is our commitment and responsibility to insure our customers have healthy homes and we are do nothing to compromise that. We are not tied to or required to use any propriety systems or products that many companies are vested in. We use the systems and products that we feel provide the best solution for our client's problem. For customers who want a more finished look than a normal crack injection, we offer a special surface seal that can be removed from the surface of the wall after a crack is injected leaving only the repaired crack line visible. We can also paint the basement walls to make both crack repairs and carbon fiber repairs much less visible. In addition to radon testing and mitigation we really are positioned to be a one stop shop. There are several brand name products and systems we use on a regular basis. "Fortress Stabilization" carbon fiber wall stabilization products, "Stabilizer" top and bottom adjustable I-beam brackets used with vertical I-beams for wall stabilization, and "Kryton" crystalline waterproofing products used when crack injection and other waterproofing methods will not be effective, We also use "RadonAway" radon mitigation fans for all of our radon mitigation system installation. Due to our experience repairing foundation wall cracks many times we can provide an accurate repair price over the phone with just a good discription from the client or a clear picture of the crack.
"it went fine, he came to see the problem & a week later he fixed it. water is no longer coming in."
Kathleen B on August 2020
Quacker's Waterproofing & Basement Repair has been family owned and operated since 2001. No subcontractors or commissioned sales people are used. Cost is determined by the job. Due to our experience installing waterproofing systems, fixing foundations as well as our Radon testing and mitigation experience gives us the skill sets to install Radon resistance waterproofing systems. Most of our competitors don't have this combination of skill sets there before may waterproofing systems that are installed can potentially contribute to elevated radon levels in their customer's home. We can solve most foundation/basement problems as well as improve our clients indoor air quality which is a very high priority for us. It is our commitment and responsibility to insure our customers have healthy homes and we are do nothing to compromise that. We are not tied to or required to use any propriety systems or products that many companies are vested in. We use the systems and products that we feel provide the best solution for our client's problem. For customers who want a more finished look than a normal crack injection, we offer a special surface seal that can be removed from the surface of the wall after a crack is injected leaving only the repaired crack line visible. We can also paint the basement walls to make both crack repairs and carbon fiber repairs much less visible. In addition to radon testing and mitigation we really are positioned to be a one stop shop. There are several brand name products and systems we use on a regular basis. "Fortress Stabilization" carbon fiber wall stabilization products, "Stabilizer" top and bottom adjustable I-beam brackets used with vertical I-beams for wall stabilization, and "Kryton" crystalline waterproofing products used when crack injection and other waterproofing methods will not be effective, We also use "RadonAway" radon mitigation fans for all of our radon mitigation system installation. Due to our experience repairing foundation wall cracks many times we can provide an accurate repair price over the phone with just a good discription from the client or a clear picture of the crack.
"it went fine, he came to see the problem & a week later he fixed it. water is no longer coming in."
Kathleen B on August 2020

Steri-Clean Missouri
Steri-Clean Missouri
Some of our services include, Biohazard Remediation, Extreme Cleaning, Hoarding Remediation, Suicide Clean Up, Biohazard Clean Up, Odor Removal, Vehicle Odor Removal, Drug Paraphernalia Cleanup, Superbug Cleanup, Rodent Droppings Clean Up, Disinfection Clean Up, Unattended Death, and Decomposition Cleanup. Steri-Clean was established in 1995. Josh Copeland is the owner of the Steri-Clean franchise located in the state of Missouri. Steri-Clean an extreme cleaning company specializing in hoarding and biohazard cleanup. Steri-Clean has Franchises nationwide. Josh was born in and raised in St. Charles Missouri. Josh became passionate about the work needed in the industry after he noticed a lack of compassion and integrity that he experienced when he had a loved one pass away. Through Steri-Clean Missouri we help people in need everyday.
"Josh, in particular, from Stericlean was VERY responsive and kind. He was out at our site the same day and even returned the next day to ensure things were in good shape."
Bethany P on March 2018
Some of our services include, Biohazard Remediation, Extreme Cleaning, Hoarding Remediation, Suicide Clean Up, Biohazard Clean Up, Odor Removal, Vehicle Odor Removal, Drug Paraphernalia Cleanup, Superbug Cleanup, Rodent Droppings Clean Up, Disinfection Clean Up, Unattended Death, and Decomposition Cleanup. Steri-Clean was established in 1995. Josh Copeland is the owner of the Steri-Clean franchise located in the state of Missouri. Steri-Clean an extreme cleaning company specializing in hoarding and biohazard cleanup. Steri-Clean has Franchises nationwide. Josh was born in and raised in St. Charles Missouri. Josh became passionate about the work needed in the industry after he noticed a lack of compassion and integrity that he experienced when he had a loved one pass away. Through Steri-Clean Missouri we help people in need everyday.
"Josh, in particular, from Stericlean was VERY responsive and kind. He was out at our site the same day and even returned the next day to ensure things were in good shape."
Bethany P on March 2018
Innovative Cleaning & Restoration LLC
Innovative Cleaning & Restoration LLC
We provide Water Damage restoration services in St Louis and the surrounding areas to both commercial and residential customers. We specialize in Mold remediation, Air Duct cleaning, fire damage and other services. Feel free to call 24/7 to schedule a free property evaluation, or speak with a specialist regarding your property.
"nick is a scammer never showed up when he said he was nothing but lies and broken promises showed up one day half a** cleaned two rooms never can back and refuses to give my money back he is a scammer and a thief"
Tim A on August 2025
We provide Water Damage restoration services in St Louis and the surrounding areas to both commercial and residential customers. We specialize in Mold remediation, Air Duct cleaning, fire damage and other services. Feel free to call 24/7 to schedule a free property evaluation, or speak with a specialist regarding your property.
"nick is a scammer never showed up when he said he was nothing but lies and broken promises showed up one day half a** cleaned two rooms never can back and refuses to give my money back he is a scammer and a thief"
Tim A on August 2025
Apex Certified Restoration & Construction LLC
Apex Certified Restoration & Construction LLC
Apex Restoration leads the way for homeowners dealing with fire damage, water damage and storm damage. Our courteous professionals work diligently with your insurance adjuster to allow you time with your family.
"We paid him $125.00 of which he said was a service fee. Sent us some kind of schedule that none of us understand. If we knew about mold we would not have needed them."
Cindi S on June 2020
Apex Restoration leads the way for homeowners dealing with fire damage, water damage and storm damage. Our courteous professionals work diligently with your insurance adjuster to allow you time with your family.
"We paid him $125.00 of which he said was a service fee. Sent us some kind of schedule that none of us understand. If we knew about mold we would not have needed them."
Cindi S on June 2020
ServiceMaster Restoration of OFallon by ATK
ServiceMaster Restoration of OFallon by ATK
ServiceMaster Restoration & Cleaning of O’Fallon IL is a full service Restoration and Cleaning company located in O’Fallon, IL. Our business serving customer in St Clair, Monroe, Madison, and the surrounding St Louis area..
ServiceMaster Restoration & Cleaning of O’Fallon IL is a full service Restoration and Cleaning company located in O’Fallon, IL. Our business serving customer in St Clair, Monroe, Madison, and the surrounding St Louis area..
ARC Construction
ARC Construction
Full service restoration company
Full service restoration company
SERVPRO of Clayton/Ladue
SERVPRO of Clayton/Ladue
SERVPRO of Clayton/Ladue Professionals provide fire and water damage restoration services. SERVPRO of Clayton/Ladue proudly serves St. Louis, Lemay, Mehlville, Oakville, Webster Groves, Crestwood, Shrewsberry, Affton, Marlborough, South County, and surrounding areas. We are available 24 hours/7 days a week and are ready to restore damage to your home or commercial structure caused by: Water Damage Fire Damage Disaster, storm and flood damage Mold Damage
SERVPRO of Clayton/Ladue Professionals provide fire and water damage restoration services. SERVPRO of Clayton/Ladue proudly serves St. Louis, Lemay, Mehlville, Oakville, Webster Groves, Crestwood, Shrewsberry, Affton, Marlborough, South County, and surrounding areas. We are available 24 hours/7 days a week and are ready to restore damage to your home or commercial structure caused by: Water Damage Fire Damage Disaster, storm and flood damage Mold Damage
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From average costs to expert advice, get all the answers you need to get your job done.

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