Contra Costa County Sheriff's Department - Records Unit 500 Court St, Martinez, CA94553 The Records Unit of the Contra Costa County Sheriff's Department is responsible for housing and distributing copies of…More files for crime reports, arrests, auto accidents and restraining orders to the public. Contact the office for more information.
Contra Costa County Support Services Bureau 1122 Escobar St, Martinez, CA94553 The Contra Costa County Sheriff's Dept. Support Services Bureau consists of four divisions. The Alcohol, Drug and…More Toxicology division analyzes blood and urine samples from suspects, drug samples from suspected illegal drug laboratories and suspects, and tissue samples from autopsies. The Central Identification Services division, in conjunction with Alameda County, operates and maintains the automated fingerprint identification system, which stores nearly 700,000 fingerprint cards from both counties. The Criminalistics division examines crime scene information, such as hair, fibers, firearms, and fluids for police deparments throughout the county and for the City of Vallejo. The Property and Evidence Services division stores and catalogues all evidence and property gathered in the course of arrests and investigations by the Sheriff's Dept. and contracting cities.