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What's Next:

  • If this is an emergency, please call our office immediately for the quickest response possible 302-893-3595.
  • One of our team members will contact you shortly to learn more about your needs and goals, and to schedule an estimate.
  • A remediation proposal will be created and tailored to your needs. The proposal will include estimated pricing, timelines, and processes.
  • Once the proposal is approved, our team of experienced and discreet professionals will get to work for you.
  • Your satisfaction is important! We will schedule a walk-through at your convenience to make sure your goals are met.

You Can Count On

Compassion
Experience
Respect
decontamination and biohazard cleaning services reviews
Customer Review Rating
I hired Bio-One to remove sewage from the crawlspace in my house, and they did an excellent job. They were prompt, professional, and thorough. Their team was respectful of my property and made a stressful situation more manageable. I highly recommend their services to anyone dealing with a similar issue.
Valerie Spiegelblatt, Delaware, 05/2025
decontamination and biohazard cleaning services reviews
Customer Review Rating
amazing team and work , Ryan , Toby , and Oscar were asbsolutely delightful the entire cleanup , the team was cautious and careful with my items and rooms , went above all things expected of them , and were just fun to be around , i could not reccomend this company enough - lumi
lumi nightflower, Delaware, 7/1/2024
decontamination and biohazard cleaning services reviews
Customer Review Rating
A professional and quick response in a stressful situation. Thank you Ryan and Kristy for coordinating the clean up. Thank you Dan, Oscar and Toby for your hard work at the residence. A clean and safe environment to return home. Thank you. Highly recommend Bio-One of Delaware.
Julie, Delaware, 03/2024
decontamination and biohazard cleaning services reviews
Customer Review Rating
Danny, Toby, and Chase, as well as the others who helped, thank you for doing an excellent job at cleaning and helping move stuff out of the house. Fast, Thorough, Professional 👌 😎 👏
Christian Mason, Delaware, 07/2023
decontamination and biohazard cleaning services reviews
Customer Review Rating
This is a company you hope you never need but when you do, you’re grateful they not only exist but give prompt, professional service. Our sewage cleanup, which had to be done over several visits, was done well and Ryan kept us informed along the way as well as handling insurance claim for us. Team members Oscar and Toby were great to work with. Highly recommend.
Susan Lipka, Delaware, 08/2025
decontamination and biohazard cleaning services reviews
Customer Review Rating
Ryan, Dan and team could not have been more professional, kind and empathetic during a rough time for my family. I can’t thank them and recommend them enough!!
Andrew Mayer, Delaware, 12/2023
decontamination and biohazard cleaning services reviews
Customer Review Rating
I give this group of respectful young people a 5 star out of 5! They were all so dedicated to their work! Great job Toby, Freedom, Oscar, Prison and Chris!
gayle linden, Delaware, 08/2025
decontamination and biohazard cleaning services reviews
Customer Review Rating
I called Bio-One after weeks of a horrible smell in our office like an open sewer. We had our HVAC company, 3 different plumbers, a roofer and 3 inspectors go through our building, and NO ONE could find the source of the smell!!! Finally, we had a client refer another plumber to our office. He showed up and did what all the other plumbers had done, but then he went above & beyond his job and was searching around in our drop ceiling. He was in the office where the smell was strongest and to our surprise, he found dead mice and a TON of mouse droppings and nests. I emailed Bio-One and that same day I received a call from Ryan. I explained our situation and he was able to get us on the schedule for an inspection to see if we needed remediation of the mice and their mess. He explained everything to me in great detail during his inspection and was able to get us set up for a clean-up appointment that same week. We had to move it to the following week due to some work deadlines. Kevin & his partner were here yesterday and if I hadn't let everyone in the office know they were here they would have never noticed them. They were very quiet & discreet even while running the machines they had to use including a vacuum cleaner. They were very professional and cleaned up everything after removing 4 drop ceiling tiles, rodent droppings and carcasses. They used a type of fog machine up inside our drop ceiling that dispersed a disinfectant that traveled through the entire building making any & all organic matter 100% inert in case there were any areas the mice were living that we hadn't noticed we wouldn't smell anything anymore. After over 7 weeks of sitting in the office for 12-15 hours a day 7 days a week (tax season we work almost around the clock) there was NO smell! NOTHING! The other people in the far side of the office made comment that their side of the building smelled ""fresher"" this morning and asked me if I had cleaned or vacuumed the common area. I was so happy that everyone noticed the lack of odor. If you need a company for clean-up or remediation I would 100% recommend Bio-One! They were in constant contact with me before & after each visit. While in the building they were extremely professional and polite. They were clean and neat and left the office space cleaner than they found it. They even put up 4 1/2 new ceiling tiles (I provided) to replace the 4 1/2 that they had to remove and dispose of at no charge. Having to deal with this rodent problem in an office full of women was a nightmare but Ryan at Bio-One answered all of my questions and made the removal very easy. I truly appreciate all they did for us! Thank You!!!!
Holly Lea, Delaware, 8/1/2024
decontamination and biohazard cleaning services reviews
Customer Review Rating
Thank you Bio-One of Delaware for the outstanding job! Dan, Oscar and Ryan turned an overwhelming & stressful situation into a quick and pleasant experience. Your help is greatly appreciated, and I recommend Bio-One without hesitation. They have excellent work ethic and outstanding customer service. A+
Allison Hurley, Delaware, 02/2024
decontamination and biohazard cleaning services reviews
Customer Review Rating
I’ve known Ryan and Kristi for several years now and couldn’t be more impressed. Their expertise and professionalism is a 10/10, and the care and compassion they have for their clients is impressive. If you’re in Delaware and need help, this is the team to call!
Krista Gregg, Delaware, 09/2024
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