San Quentin State Prison

San Quentin State Prison Inmate Search and Prison Information

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Location 1 Main Street, San Quentin, CA, 94964
Official Website

The San Quentin State Prison is also known as mixed custody correctional facility that is responsible for housing the following security levels:

  • Maximum

  • Medium

  • Closed Custody

The San Quentin State Prison is home to only adult male offenders.

As of today, the San Quentin State Prison is only licensed to house just over 5247 male offenders.

Even though the San Quentin State Prison does not participate in correctional industries program, it does not mean it’s lacking in any aspect. The San Quentin State Prison focus is to ensure that all inmates are equipped with the necessary tools they need to be successful once they get released from the facility.

San Quentin State Prison — General Information

Facility Name San Quentin State Prison
Facility Type State Prison
Address 1 Main Street, San Quentin, CA, 94964
Capacity 5247
Facility Type Adult
City San Quentin
Postal Code 94964
State California
County Marin County
Official Website

Sending a Mail/Care Package

To ensure that your mail gets to the inmate in a timely fashion, please make your envelope out to the following address:

Inmate Name, Inmate ID Number

​San Quentin State Prison

1 Main Street, San Quentin, CA, 94964

Sending Money

JPay is the service that the San Quentin State Prison uses for their inmate banking needs. To deposit funds into the account is very easy. You can do it online, over the phone, or at the kiosk.

JPay will take payments from your credit or debit card.

Phone calls

At the San Quentin State Prison, you can either use Connect Network GTL or you can call collect. However, a few offenders will use the Connect Network GTL just because they are able to call anyone regardless if they have a landline or a cell phone. Unlike when an inmate must make a collect call.


The visitation schedule here at the San Quentin State Prison will be fully dependent on where the inmate is housed.

As of 2020, the visitation schedule looks something like this:

General Population


8:30 am to 3:30 pm


6:30 pm to 8:30 pm

Visiting Hours

Saturday: 7:30 AM to 2:30 PM
Sunday: 7:30 AM to 2:30 PM


Refer the map below to find the driving directions.

Other Types of Correctional Facilities in California