Martinez Detention Facility
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- Facility Type
- County Facility
- Security Level
- Pretrial / Sentenced
- Inmate Capacity
- Not available
- Established
- Not available
- Operated By
- Contra Costa County Sheriff's Office
Martinez Detention Facility Inmate Communication Overview
The Martinez Detention Facility in Martinez is operated by the Contra Costa County Sheriff's Office and is the county's main adult detention facility, housing pretrial detainees and sentenced inmates.
Phone calls from the Martinez Detention Facility run through Global Tel Link (GTL). Families set up a GTL account and add phone time so the inmate can call approved numbers. Inmates cannot receive incoming calls, and all calls are recorded and monitored under facility policy.
The phone vendor information for this jail is limited, so families should confirm the current setup with the Contra Costa County Sheriff's Office before funding an account. Messaging and video visitation options are not confirmed for this facility.
Communication Options
Available communication services at Martinez Detention Facility.
Messaging
Electronic messages to and from the inmate.
Electronic messaging is not confirmed for this facility. Check the Contra Costa County Sheriff's pages for current options.
Video Calls
Remote or in-person video visitation.
Video visitation is not confirmed for this facility. Check the Sheriff's visitation pages before planning.
Photo Sharing
Send approved digital or physical photos.
Photo sharing is not confirmed. Physical photos by mail follow standard jail mail rules.
Phone Calls
Inmate-initiated phone calls to approved numbers.
Provider: GTL
Inmate-initiated calls through GTL. Set up and fund an account before the first call. Confirm the current vendor with the Sheriff's Office.
Money Transfer
Send funds to commissary or phone accounts.
Deposit options are not confirmed. Check the Contra Costa County Sheriff's pages before sending funds.
Communication Providers at Martinez Detention Facility
These providers operate communication services at this facility. Each may cover different services.
GTL
GTL provides the inmate phone service at the Martinez Detention Facility. Families add GTL phone time so the inmate can call approved numbers.
View GTL ServicesCommunication Rules at Martinez Detention Facility
- Set up and fund a GTL account before your loved one calls, and confirm the current vendor with the Sheriff's Office.
- Inmates cannot receive incoming calls. They place outgoing calls to approved numbers.
- All calls are recorded and monitored. Do not discuss case details on jail calls.
- Check the Sheriff's visitation pages for current visiting rules before traveling.
- Get the inmate's booking number first. It is needed for accounts, deposits, and mail.
Related Facilities
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Frequently Asked Questions — Martinez Detention Facility
Common questions from families about communication at this facility.
- Which company handles phone calls at Martinez Detention Facility?
- Global Tel Link (GTL). Families set up a GTL account and add phone time so the inmate can call approved numbers. Confirm the current vendor with the Contra Costa County Sheriff's Office.
- Can I call an inmate at Martinez Detention Facility?
- No. Inmates cannot receive incoming calls. They place outgoing calls to approved numbers through the GTL phone system.
- Can I video visit or message an inmate?
- Video visitation and electronic messaging are not confirmed for this facility. Check the Sheriff's pages for current options.
- How do I send money to an inmate?
- Deposit options are not confirmed for this facility. Check the Contra Costa County Sheriff's pages for the current approved deposit method.
- What do I need to set up contact?
- Start with the inmate's booking number. You will need it for phone accounts, commissary deposits, mail, and visitation registration.
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