If someone is arrested in Castro Valley or anywhere in Alameda County, they are typically taken to one of the county-operated detention facilities managed by the Alameda County Sheriff’s Office. While Castro Valley does not have its own jail, most individuals arrested in the area are booked into Santa Rita Jail, the main facility for the region. Depending on the nature of the charges and other factors, inmates may also be transferred within the county’s custody system.
📍 Santa Rita Jail
- Address: 5325 Broder Blvd, Dublin, CA 94568
- Phone: (925) 551-6500
- Type: Alameda County Jail — Male and Female Housing
- Notes: Primary detention center for all arrests in Castro Valley and surrounding cities
- Website: Santa Rita Jail – Alameda County Sheriff’s Office
📍 Glenn E. Dyer Detention Facility (Closed)
- Address: 550 6th St, Oakland, CA 94607
- Note: This facility permanently closed in 2021. All inmates are now processed through Santa Rita Jail.
Need Help Finding a Loved One in Jail?
If your loved one has been arrested in Castro Valley or anywhere in Alameda County, Cali Bail Bonds can help you locate them quickly. We offer:
✅ Free Inmate Search
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✅ 24/7 Phone Support
Call now or fill out our online form to get started — we’ll help you find where they’re being held and determine the bail amount needed to secure their release.