Facts about North San Diego County, California
North County is a region in the northern area of San Diego County, California. It is the second-most populous region in the county (after San Diego), with an estimated population of 869,322.
GeographyNorth County is commonly divided into coastal and inland regions, with coastal cities being Oceanside, Carlsbad, Encinitas, Del Mar, and Solana Beach, and inland cities being Escondido, San Marcos, Poway, and Vista; inland mountain communities such as Valley Center and Ramona are sometimes included within the inland portion.
DemographicsNorth County is the largest of the suburban regions of San Diego County. There are 325,995 North County residents who live within San Diego city limits.
Serving North San Diego County, California

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