COMPASSION. EXPERIENCE. RESPECT.

We Clean Tough Situations: St. Charles Suicide, Crime Scene, Hoarding, and Biohazard Cleanup

Bio-One of St. Charles helps families and communities after life’s most challenging moments. We clean what others can’t—biohazards, trauma, crime, and suicide scenes, hoarding, and more.

Our trained team shows up fast, works with care, and treats your space with respect.

  • Available 24/7.
  • Discreet arrival—unmarked vehicles upon request.
  • We work with insurance.
  • Locally owned and trusted.

Real help for real life: let us handle the cleanup, so you can focus on the path ahead.

Emergency response hotline

Get in touch with our 24/7 biohazard & crime scene cleaning team today

Call me directly: Megan and Amanda Boccardi
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Mandy Smith

Megan and Amanda are amazing! They provide quality work during difficult situations. They go above and beyond because they truly care about their customers. If you are in need of help w...

Lisa Schmitz-Bond

Wonderful company to work with. Empathetic, makes a tough situation better. Very professional and knowledgeable with every aspect of their business

Kevin Trott

Megan and Amanda are amazing at what they do!! It was such an easy experience and really glad we chose them to complete the work! Highly recommended and would definitely use them again!

Stephanie Miller

I highly recommend this company. Their staff are absolutely the best! They helped us with their services during a difficult time for us, and we couldn't be more happy with their servi...

Jason Flanery

My company has used Bio-One STC many times for clean ups. They respond quickly, and every employee I have dealt with has been professional, caring, compassionate, and friendly. I would ...

Trusted By
Fentanyl Remediation

Where Crisis Meets Compassion

Bio-One responds when families need more than just cleanup—they need someone who truly cares.
Five Star Experience
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Help first. Business second.

We provide compassionate, discreet biohazard cleanup, restoring safety and peace of mind in times of crisis.
Suicide Cleanup Icon

Suicide Cleanup

We clean with care, helping families begin to heal.

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Crime Scene Cleanup Icon

Crime Scene Cleanup

We remove hazards so you can move forward safely.

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Decomposition / Undiscovered Death Icon

Decomposition / Undiscovered Death

We handle the toughest scenes with dignity and compassion.

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Blood Spill Cleanup Icon

Blood Spill Cleanup

We clean thoroughly to restore safety and peace of mind.

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Hoarding Cleanup Icon

Hoarding Cleanup

We are here to earn your trust and ease you into the hoarding cleanup process.

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Emergency Vehicle Decontamination Icon

Emergency Vehicle Decontamination

We help protect first responders with deep, professional cleaning.

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Odor Removal Icon

Odor Removal

We will find the source and remediate it.

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Tear Gas Cleanup Icon

Tear Gas Cleanup

Tear Gas blankets everything in the vicinity. We get rid of it.

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We respond 24/7.
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    WE'RE READY 24/7

    Work with us

    Three simple steps. One compassionate team.
    1

    Call Anytime—Day or Night

    Reach out 24/7. A kind, trained expert will listen and guide you through the next steps.
    2

    On-Site, With Care

    We’ll arrive quickly, walk the space with you, and create a plan that fits your needs—with total discretion and respect.
    3

    You're in Good Hands

    We’ll handle the cleanup with care and follow through until you’re fully satisfied. We can even work with your insurance to ease the process.

    Ready For Anything 24/7/365

    Three simple steps. One compassionate team.
    Always here. Always ready. No matter the hour, you’ll reach someone who listens, cares, and knows how to help.

    Call us anytime—24/7/365—for fast, compassionate service from a local Bio-One expert.
    Schedule a Service
    Why choose Bio-One of St. Charles?

    Trusted When It Matters Most

    Because you deserve more than just a cleanup—you deserve care.

    Families, property owners, and first responders choose Bio-One for fast, discreet, and compassionate cleanup.

    People call us during some of their most challenging moments. We show up fast, listen first, and handle every scene skillfully and compassionately.

    • Fast, local 24/7 response
    • Trained experts who treat you with respect
    • Discreet, thorough cleanup from start to finish
    • We handle the insurance, so you don’t have to

    We’re here to help you feel safe again—and we’ll walk with you every step of the way.

    Call Us 24/7
    Your Local Cleanup Partner

    Rooted in the community. Driven by compassion.

    The person behind your local Bio-One isn’t just a business owner—they’re a neighbor who cares deeply about helping others through life’s most challenging moments. Trained, certified, and ready to respond 24/7, they lead a team committed to doing the right thing with discretion, empathy, and professionalism.

    You can trust that when you call, you get real help from someone who truly understands.

    Megan and Amanda Boccardi

    Amanda Boccardi is one of the owners of Bio-One of St. Charles, along with Megan Boccardi - Amanda and Megan, both grew up in St. Louis area. Amanda graduated from Forest Park Community College with two degrees relating to business/management and Megan graduated from Lindenwood University with a bachelors degree in Criminal Justice. After they both served several years in law enforcement within the St. Louis County area, Amanda and Megan decided to start a new chapter in their lives by opening a Bio-One franchise. After hearing about how Bio-One helps families and people during very difficult times, both Amanda and Megan jumped at the opportunity to open Bio-One of St. Charles and continue their passion for helping those who need it the most. With the opportunity available to continue to be involved in the community and help others, it was an obvious decision for Amanda and Megan to be a part of the Bio-One family.
    Learn more about me and my mission
    Call Us 24/7

    Real People. Real Compassion.

    Our local team is trained, experienced, and here to help—no judgment, just support.

    We understand that calling us means something serious has happened. That’s why our local Bio-One team brings more than training—we bring compassion, clear communication, and respect every step of the way.

    • Highly trained and experienced technicians
    • Honest, in-person estimates
    • Discreet and professional service
    • Locally owned and operated

    You can count on us to handle it all—with care.

    Meet my team

    What our clients say

    decontamination and biohazard cleaning services reviews
    Logan Vogt, St. Charles, 9/5/2024
    Thank you so much Bio-One for helping me when times got hard! They were truly there for me and actually cared about what I was going through. They can get any job done and do fantastic at it. Thank you
    decontamination and biohazard cleaning services reviews
    Stephanie Klein, St. Charles, 9/5/2024
    Amanda and Megan were so professional, kind and extremely knowledgeable and efficient! I highly recommend Bio One! Superior service!
    decontamination and biohazard cleaning services reviews
    Kevin Trott, St. Charles, 9/5/2024
    Megan and Amanda are amazing at what they do!! It was such an easy experience and really glad we chose them to complete the work! Highly recommended and would definitely use them again!
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    COMMUNITY

    Rooted in the Community, Ready to Help

    We live here, we care, and we’re proud to serve our neighbors.

    We love the people, places, and spirit of the communities we serve. That’s why we show up 24/7—to help our neighbors through tough moments with care, compassion, and respect.

    From local families to first responders, we’re honored to be a trusted part of the community.

    Find your nearest Bio-One office

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    Frequently asked questions

    What types of situations does Bio-One handle?
    We clean biohazards, trauma scenes, suicides, unattended deaths, hoarding situations, and more—discreetly and with care.
    Are you really available 24/7?
    Yes. No matter the time or day, someone from our local team is always ready to answer your call.
    Will my information be kept private?
    Absolutely. Upon request, we arrive in unmarked vehicles and treat every situation with total discretion and respect.
    How quickly can you arrive?
    We respond quickly—usually the same day. We’re locally owned, so we can get to you quickly.
    Do you work with insurance?
    Yes. We’ll work directly with your insurance provider to help make the process easier for you.
    What happens when I call Bio-One?
    A kind, trained expert will listen, explain the next steps, and guide you through the process—no pressure, no judgment.
    Is your team trained for hazardous cleanup?
    Yes. Our technicians are fully trained, certified, and experienced in handling dangerous and sensitive situations.
    Do I have to be home during the cleanup?
    Not if you don’t want to be. We’ll work with your schedule and comfort level every step of the way.
    How long does cleanup usually take?
    It depends on the situation, but most cleanups take a day or two. We’ll give you a clear timeline upfront.
    Why should I trust Bio-One?
    Because we genuinely care. We’re part of your community and show up with compassion, professionalism, and respect—every time.
    24/7 EMERGENCY HOTLINE
    Schedule a Service

    Get in touch with our 24/7 biohazard & crime scene cleaning team today

    Help First. Business Second.

    Call 24/7: 636-279-9570

    Bio-One of St. Charles

    Wentzville Decontamination and Biohazard Cleaning Services

    1939 Wentzville Parkway, Suite 273, Wentzville, MO 63385
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