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OC Crime Lab

The Orange County Crime Lab (OCCL) provides all public agencies in Orange County with services for the recognition, collection, preservation, and evaluation of physical evidence from crime scenes. The OCCL is an ISO/IEC 17025:2017 accredited testing and calibration laboratory (ANAB) and has maintained accreditation since 1992. The OCCL is also a recognized OSAC Registry Implementer. The Division employs over 160 staff members, housed in a spacious, modern 100,000 square foot facility, serving the over 3 million residents of Orange County.

CSI field photo

The OC Crime Lab is a nationally recognized leader in the forensic science community. For example, we were the first local law enforcement DNA lab in the Western United States, we began the first local automated fingerprint identification system in California, and we are leading the way in DUI enforcement with the introduction of portable breath alcohol testing devices. The OCCL has also received many national awards, including for efficiency, and implementing novel programs.

Our forensic scientists and specialists, supported by a dedicated and hardworking clerical and support staff, are skilled and knowledgeable experts using their talents in various forensic science specialties to serve the needs of the criminal justice community.