How to send messages, photos, and packages
To reach Martinez Detention Facility, start with the main contact line listed for the jail. The address is 901 Court Street, Martinez, CA 94553. The department also has a separate Records & ID office at 2530 Arnold Drive, Suite 170, open Monday to Friday, 8 AM to 5 PM. Use that office when seeking records or certain inmate information. For remote communication, create an account on the department's communications platform (web or mobile) and add prepaid funds for video or messaging services. Some facilities may still be transitioning platforms. During in-person visits, be aware that visiting areas may be video-recorded, except for confidential attorney consultations.
Search for a loved one and send messages and photos in minutes.
Mail is one of the most reliable ways to stay connected with someone at Martinez Detention Facility. But timing and rules can get confusing fast. Here's what the facility's policy actually says, and what it means for you.
Use the department’s communications platform to set up video or messaging: create an account on the website or mobile app, then add prepaid funds if required. For facility-specific issues, call the phone numbers listed on the Martinez Detention Facility pages.
The main line is (925) 335-4600. For inmate information and records, you may also see (925) 646-4493 or a separate Records & ID office line listed. Check both if you're not getting the help you need.
Yes, the Office of the Sheriff may use video-recording devices in visiting areas, except where attorney consultations are confidential. If privacy is a concern, ask staff about recording practices before your visit.
Trying to reach someone at Martinez Detention Facility? Start with the facility's address and phone number below, but be aware that different county pages list different phone numbers for inmate information.
To add money to someone's account at Martinez Detention Facility, you'll need to use a money order or cashier's check. These are the only forms the facility accepts. Using the right one from the start saves you from delays or rejected mail.
Getting money onto someone's account is straightforward once you know the right payment type and how to fill it out. Here's what Martinez Detention Facility accepts—and the details that keep your deposit from being delayed or returned.
