Bio-One of St. Paul decontamination and biohazard cleaning services
651-308-1096

Compassion. Experience. Respect.


St. Paul Suicide, Crime Scene and Biohazard Cleanup

24/7 death, crime scene, suicide cleanup and other biohazard cleanup services from trusted, experienced, and discreet professionals serving St. Paul and the surrounding areas. Whether you’re in law enforcement, government, property management, or a local resident, Bio-One of St. Paul has over a decade of experience serving you. We guarantee:
  • Fully habitable / operational property once we leave
  • Complete discretion with unmarked vehicles and any special requests
  • Collaboration with your insurance companies
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Bio-One of St. Paul
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Get in touch with our 24/7 biohazard & crime scene cleaning team today
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651-308-1096
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Honest, hard working, professional and polite. Will definitely be referring them!
Dan Simmer
Mr Dempsay, displayed a level of professionalism, fairness, knowledge, and the willingness to get the job done in a timely manner. Scott R.
Scott Riley
Brett did an excellent job of preserving the hard wood flooring of a unit - we were not sure it could be done but it looks better than it did before the incident. Very efficient and easy to communicate with!
Breanna Haman
Brett was a great help to me. My house was not in good shape he got it back to 100%. He was completely non judgemental and very fast and thorough
platypus smith

Trusted By

Bio-One of St. Paul decomposition / undiscovered death service

Decomposition / Undiscovered Death

When the unexpected happens, we are here for you.
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Bio-One of St. Paul suicide cleanup service

Suicide Cleanup

We aim to help by cleaning with discretion and competence.
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Bio-One of St. Paul feces / urine cleanup service

Feces / Urine Cleanup

We tailor every plan to each unique situation.
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Bio-One of St. Paul odor removal service

Odor Removal

You shouldn’t have to settle with foul odors.
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Bio-One of St. Paul homeless encampment cleanup service

Homeless Encampment Cleanup

A vital service to the community, done with compassion.
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Bio-One of St. Paul blood spill cleanup service

Blood Spill Cleanup

Proper training is required to fully disinfect a blood spill.
Learn More >
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Bio-One of St. Paul

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    We're ReadY 24/7

    Work with us

    1. 1

      Establishing trust is key

      An experienced team member will introduce themselves, tour the property, and learn about your unique needs, expectations, and goals.
    2. 2

      We are mindful of personal property and valuables

      Our Bio-One of St. Paul technicians make it a priority to try to find and save items of value such as wallets, keys, coin collections, legal documents, photo albums, baseball cards, or more.
    3. 3
      Your satisfaction is important
      We want to make sure you are satisfied and happy with our work. If for some reason something else needs to be done, we are here for you.

    Available 24 / 7 / 365

    We are here for you when you need us. For any St. Paul crime scene cleanup and biohazard decontamination situation, we are available 24/7. Whatever you need, know that on the other end of the line will be a supportive, understanding, and responsive Bio-One of St. Paul team member.
    We are here for you when you need us the most.

    WHY CHOOSE Bio-One of St. Paul?

    We are here for you when
    you need us the most.

    Our clients choose us for our proven expertise in providing prompt, professional crime scene clean up services and restoring property to its original condition. Bio-One of St. Paul specializes in all types of clean up including blood cleaning, death cleaning, murder clean up, suicide clean up, crime scene clean up and homicide clean up in the MN Area and throughout St. Paul.
    Bio-One of St. Paul services all types of trauma, distressed property, and biohazard scenes in communities throughout St. Paul Area. We are your crime scene cleaners dedicated to assisting law enforcement, public service agencies and property owners/managers in restoring property that has been contaminated as a result of crime, disaster or misuse.

    Your St. Paul Crime scene & Biohazard Cleaning TEAM

    Help first. Discretion always.

    As last responders, we discreetly remediate impacted 
    spaces so you can begin to move forward.
    Bio-One of St. Paul owner, Brett Dempsay
    Brett Dempsay
    Owner
    Brett Dempsay is the owner of Bio-One of St. Paul, Minnesota. Brett was born at Lackland Airforce base TX, (where both parents served). Brett almost followed in his parents' footsteps, he served in the United States Army. Before discovering Bio-One, Brett worked 10 years as a Construction Manager for the largest nuclear power plant in the country. His years safely and professionally impacting others has allowed him to bring a degree of expertise to bio-hazard incidents. Helping those who are experiencing tough times, by helping them restore their lives and homes to original condition as compassionately and professionally as possible.
    Learn more about me and my mission >
    Call Me 24/7

    The right
    team for the job.

    Making the call to a crime scene, biohazard, or decontamination cleaning company is often due to an overwhelming, traumatic, and life-changing situation. My team is ready to answer the call with professionalism, experience, and compassion.
    • Experienced and trained team
    • Clear, supportive communication
    • Comprehensive cleaning approach
    • Locally owned and operated
    Meet my team >
    Bio-One Colorado Team
    decontamination and biohazard cleaning services reviews
    Customer Review Rating
    Mr Dempsay, displayed a level of professionalism, fairness, knowledge, and the willingness to get the job done in a timely manner. Scott R.
    Scott Riley, Anoka County, 11/2021
    decontamination and biohazard cleaning services reviews
    Customer Review Rating
    Brett did an excellent job of preserving the hard wood flooring of a unit - we were not sure it could be done but it looks better than it did before the incident. Very efficient and easy to communicate with!
    Breanna Haman, Dakota County, 2/22/2023
    decontamination and biohazard cleaning services reviews
    Customer Review Rating
    Brett was a great help to me. My house was not in good shape he got it back to 100%. He was completely non judgemental and very fast and thorough
    platypus smith, Dakota County, 7/2022
    decontamination and biohazard cleaning services reviews
    Customer Review Rating
    Honest, hard working, professional and polite. Will definitely be referring them!
    Dan Simmer, Anoka County, 7/2022

    COMMUNITY

    We call St. Paul and the surrounding area home.

    Where we serve

    Bio-One of St. Paul is owned and operated locally by Brett Dempsay. Their office serves St. Paul and surrounding areas.

    Why we serve

    We are passionate about serving St. Paul and the surrounding communities with compassion, diligence, and professionalism. We are available 24/7 for your crime scene cleanup and biohazard decontamination needs.