Image of a the inside of a Prison Facility

California Men's Colony (CMC)

Aerial view of California Men's Colony. CLICK to download a copy.
Institution Physical and Mailing Addresses:

Physical Address Inmate Mailing Addr. Staff Mailing Address
Highway 1
San Luis Obispo, CA 93409
(805) 547-7900
P.O. Box 8103
San Luis Obispo, CA 93409-8103
P.O. Box 8101
San Luis Obispo, CA 93409-8101

Warden Valenzuela (A)
Elvin Valenzuela, Warden

Visiting Hours and Directions

Saturdays, Sundays and Designated Holidays* from 8:30 a.m. to 3:30 p.m.

* New Year's Day, Independence Day,
Thanksgiving, Christmas

For the purposes of visiting, certain items and
articles of clothing are strictly prohibited.
Click here for Important Visiting Information.

Please contact our visiting number for further information at (800) 374-8474.

Visitor Processing Appointment Scheduling System (VPASS) Information:

California Men's Colony (CMC) is participating in the VPASS pilot program. VPASS is an on-line program used to schedule appointments for visitor processing (contact visits only). New appointment times for CMC become available each Monday at 12:01 a.m. For more information about VPASS go to CDCR Visitation. In the event the VPASS appointments are full CMC’s non-appointment/walk-up time is 10:00 a.m. to enter the grounds and 10:30 a.m. for processing.


A CDCR funded Visitor Center is at the institution operated by a community-based organization under contract to CDCR. The Visitor Center provides visiting assistance to family members and friends including a sheltered place to wait before and after visits, transportation to and from local transit terminals, childcare, clothing appropriate for visits on loan, and information about local resources, visiting rules and regulations.

General Directions:

From the North or South:

  • Hwy 101 to San Luis Obispo; exit Hwy 1
  • North on Hwy 1 (for approx. 3 miles)
  • West Facility visitors: turn left on Santa Cruz (first left), and follow signs to Visiting
  • East Facility visitors: stay on Colony Drive and park in parking lot on left side
Visit this link  to customize your driving directions.

San Luis Obispo offers a wide variety of lodging choices, from campgrounds to luxury hotels.  For more information, call the San Luis Obispo Chamber of Commerce at (805) 781-2777 or visit our website

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