California Men's Colony

The primary mission of the California Men’s Colony is to provide secure housing for minimum and medium security inmates.

Quick Stats

  • County: San Luis Obispo
  • Christian Science Chaplains: Christian Science Chaplain 1
  • Opened: 1954
  • Inmate Gender: Male
    Designed capacity: 2,613
    Inmate population: 2,140 (81%)
    (As of April 8, 2026)

Inmate Population Over Time

Population for California Men’s Colony (CMC): 2,140 as of April 8, 2026
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Contact

WardenJosie Gastelo
Telephone(805) 547-7900
WebsiteVisit website
Head ChaplainNo Head
Chaplain Phone(805) 547-7900

Physical Address

FacilityCalifornia Men’s Colony (CMC)
AddressHighway 1
San Luis Obispo, CA 93409
DirectionsDirections
Inmate Mailing

P.O. Box 8103
San Luis Obispo, CA 93409-8103

Map & Directions

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