If you are sending mail to San Quentin State Prison the address is:
Main Street, San Quentin, CA 94964
If you are sending mail to an inmate in San Quentin State Correctional Facility the address is:
San Quentin State Prison, San Quentin, CA 94974
1) Print your name and address in the upper left hand corner of the envelope.
2) Print your loved one name and DIN number in the middle of the envelope.
3) Print the correctional facility name and address below your loved one’s name
4) There must be nothing written on the envelope except the your name and mailing address and your loved one name, DIN, correctional facility name and address.
5) You should not spray the envelope or its contents with perfume.
6) Do not send more than 5 pages in one envelope.