decontamination and cleanup company in Portland Area Oregon

Biohazard, Crime and Trauma Scene Cleanup Services in Marion County, Oregon

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 Marion County, Oregon

Marion County is a county located in the U.S. state of Oregon. The population was 315,335 at the 2010 census, making it the fifth-most populous county in Oregon. The county seat is Salem, the state capital. The county was originally named the Champooick District, after Champoeg (earlier Champooick), a meeting place on the Willamette River. On September 3, 1849, the territorial legislature renamed it in honor of Francis Marion, a Continental Army general from South Carolina who served in the American Revolutionary War.


According to the U.S. Census Bureau, the county has a total area of 1,193 square miles (3,090 km²), of which 1,182 square miles (3,060 km²) is land and 10 square miles (26 km²) (0.9%) is water.


As of the 2010 United States Census, there were 315,335 people, 112,957 households, and 77,044 families residing in the county. The population density was 266.7 inhabitants per square mile (103.0/km²). There were 120,948 housing units at an average density of 102.3 per square mile (39.5/km²). The racial makeup of the county was 78.2% white, 1.9% Asian, 1.6% American Indian, 1.1% black or African American, 0.7% Pacific islander, 12.6% from other races, and 3.9% from two or more races. Those of Hispanic or Latino origin made up 24.3% of the population. In terms of ancestry, 22.1% were German, 11.4% were English, 11.0% were Irish, and 4.7% were American.

Of the 112,957 households, 35.5% had children under the age of 18 living with them, 50.4% were married couples living together, 12.4% had a female householder with no husband present, 31.8% were non-families, and 25.0% of all households were made up of individuals. The average household size was 2.70 and the average family size was 3.23. The median age was 35.1 years.


Serving Marion County, Oregon


Bio-One services all types of trauma, distressed property, and biohazard scenes in communities throughout Portland 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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