Biohazard, Trauma and Crime Scene Cleanup Services in Jennings, Missouri

Bio-One is always prepared to remedy situations that arise from unexpected events such as death, traumatic injury, and hazardous situations. We deploy our teams quickly so you can focus on all the other necessary arrangements to begin the healing process.

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Facts about Jennings, Missouri

Jennings is a city in St. Louis County, Missouri, United States. The population was 14,712 at the 2010 census.


Jennings is located at 38°43′16″N 90°15′41″W (38.721100, -90.261428). According to the United States Census Bureau, the city has a total area of 3.70 square miles (9.58 km²), all land.


As of the census of 2010, there were 14,712 people, 5,847 households, and 3,782 families residing in the city. The population density was 3,976.2 inhabitants per square mile (1,535.2/km²). There were 6,937 housing units at an average density of 1,874.9 per square mile (723.9/km²). The racial makeup of the city was 89.8% African American, 8.5% White, 0.1% Native American, 0.2% Asian, 0.2% from other races, and 1.1% from two or more races. Hispanic or Latino of any race were 0.6% of the population.

Serving Jennings, Missouri


Bio-One services all types of trauma, distressed property, and biohazard scenes in communities throughout St. Louis Area. We partner with local authorities, communities, emergency services personnel, victim services groups, hoarding task forces, apartment complexes, insurance companies and others to provide the most efficient and superior service possible.

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.

  • We have fielded thousands of calls and recovered just about any situation out there in a professional and compassionate matter. 
  • We are Licensed, Bonded, and Insured.
  • We maintain strict adherence to OSHA rules and regulations to ensure the safety of our workers, the public, and of you and your family.
  • We are proud to have a great working relationship with the Police, Fire, and most Insurance Agencies.

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