San Mateo County Main Jail

WHAT IS THE MAIN JAIL?

The main jail provides custodial and security services for incarcerated and detained individuals for the San Mateo County Sheriff’s Department, the San Mateo Police Department, and other area law enforcement agencies.

HOW CAN I FIND OUT IF SOMEONE IS IN JAIL?

To find real-time information on inmates by name, visit the Inmate Locator System portion of the San Mateo County Jail website.

WHERE IS THE MAIN JAIL LOCATED?

San Mateo County Main Jail: 300 Bradford Street, Redwood City, CA 94063

Phone: (650) 363-4000

WHERE CAN I FIND MORE INFORMATION?

To find additional inmate information regarding packages, mailing instructions, visitation, inmate funds, and inmate programs, please visit the main jail webpage.

The main jail is operated by the San Mateo County Sheriff’s Department. Please visit their website for more information.