The Custody Information line for all Sheriff's detention facilities has integrated to one central phone number. For public inquiries, please utilize (619) 409-5000 and select the option for your desired facility.

Quick Facts

• Opened in 2023
• Rated Capacity: 200

Located in Otay Mesa, the Rock Mountain Detention Facility (RMDF) is a maximum-security facility. Construction of the facility was completed in 2000. For its first 15 years, the facility was leased to the federal government and operated by the Corrections Corporation of America (CCA). In 2016, the facility was returned to the San Diego County Sheriff's Office. In 2019, renovations began to update and modernize the facility. House 1 is the first area to complete renovations and opened in July 2023 to house 200 individuals. 

Attention All Visitors 

The hours of operation for the Rock Mountain Detention Facility reservation line will be 6:30 a.m. to 6:00 p.m. 

In-person social visit reservations can be scheduled by calling (619) 409-5000, Wednesday through Sunday. Visitation is available five days a week with no visits on Tuesdays and Wednesdays. A maximum of three visitors, including children, are permitted per visit. Minors must be accompanied by a parent, court appointed guardian or other adult having legal custody. Visitors 18 and over must have valid ID. Social visits are 30 minutes in length.

Reservations must be made one day in advance. ALL VISITORS MUST CHECK-IN 60 MINUTES PRIOR TO THE SCHEDULED VISIT TIME. Cancellations can be made in person with ID verification. All visits are subject to change without notice and may be canceled at any time due to rule violations, incarcerated person transfers or for jail security.

Video visitation is available 7-days a week and are 30 minutes in length.  Incarcerated persons will be allowed 2-video visits per week.  Visits are scheduled on a first come, first served basis, there will be NO same day visits. Reservations must be made one day in advance and can only be scheduled by visiting  SmartInmate™ - Corrections Communications Services (smartinmate.com).  An account must be created prior to scheduling a visit.  Visits are subject to change or cancellation without prior notice.

***Due to a recent change in the phone system provider for our incarcerated population, calls from inside our detention facilities are coming from the number 727-349-1561.  It has come to our attention some mobile carriers are identifying this number in their spam settings and calls from incarcerated persons may be filtered out.  To ensure you receive these calls, please program this number into your phone or contact your phone provider to unblock this number.  We are working toward additional solutions and will post any additional changes here. *** 

In Person Visitation Times

House 1A - 30 Minute Visits

House 1B - 30 Minute Visits

House 1C - 30 Minute Visits

House 2A - 30 Minute Visits

House 2B - 30 Minute Visits

House 2C - 30 Minute Visits        

House 3A - 30 Minute Visits

House 3B - 30 Minute Visits

House 3C - 30 Minute Visits        

House 4A - 30 Minute Visits        

House 4B - 30 Minute Visits        

House 4C - 30 Minute Visits        

House 4D - 30 Minute Visits        

Video Visit Times

1A, 1B, 1C, 2A, 2B, 2C, 3A, 3B, 3C, 4A, 4B, 4C, 4D - 30 Minute Visits

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