decontamination and cleanup company in Portland Area Oregon

Biohazard, Trauma and Crime Scene Cleanup Services in West Slope, 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 West Slope, Oregon

West Slope is an unincorporated suburb of Portland, Oregon, United States and a census-designated place. It is in Washington County, to the west of Portland's West Hills neighborhood, to the northwest of Raleigh Hills and south of U.S. Route 26. Fire protection and EMS services are provided through Tualatin Valley Fire and Rescue. As of the 2000 census, the suburb population was 6,442. In a plan agreed to by the county and Beaverton, West Slope was scheduled for annexation to Beaverton by 2010.


According to the United States Census Bureau, the neighborhood has a total area of 1.7 square miles (4.4 km²), all land.


As of the census of 2000, there were 6,442 people, 2,873 households, and 1,643 families residing in the neighborhood. The population density was 3,727.1 people per square mile (1,437.7/km²). There were 3,057 housing units at an average density of 1,768.7/sq mi (682.3/km²). The racial makeup of the neighborhood was 88.70% White, 4.30% Asian, 1.44% African American, 0.70% Native American, 0.16% Pacific Islander, 2.22% from other races, and 2.48% from two or more races. Hispanic or Latino of any race were 4.77% of the population.

Serving West Slope, 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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