Martinez Detention Facility

Last updated by Elizabeth Boyle

Search for an Inmate or Active Arrest Warrant in Contra Costa County

Martinez Detention Facility

You can get inmate information by calling the 1500-bed Martinez Detention Facility at 925-335-4600, any time of day or night.

Anyone taken into custody in this county on a misdemeanor or felony charge is brought here for booking and processing. Based on the charges, they may be held until they are bonded out, released on their own recognizance, or remain in custody until the end of their trial.

The inmate search tool shows the names of people currently held at this facility.

Sentences of less than a year are served at this jail. Sentences longer than that are served in the California State Prison System or the Federal Bureau of Prisons.

Find information on this page about the visitation schedule and policies, funding an inmate’s account, mail, inmate calls, voicemail, emails and texts, tablet rentals, bail bonds, and commissary.

Once you find the inmate’s jail ID or booking number, save it for mail and other communication. If it’s not online, call Martinez Detention Facility at 925-335-4600.

Phone: 925-335-4600

Physical Address:
901 Court Street
Martinez, CA 94553

Mailing Address (personal mail):
Inmate's Full Name & Booking #
Martinez Detention Facility – 1117
PO Box 96777
Las Vegas, NV 89193

Mailing Address (legal mail or subscriptions):
Inmate's Full Name & Booking #
Martinez Detention Facility
901 Court Street
Martinez, CA 94553

Other Jails and Prisons

How Do You Find Someone in the Martinez Detention Facility?

To search for an inmate in the Martinez Detention Facility, review their criminal charges, the amount of their bond, when they can get visits, or even view their mugshot, go to the Official Jail Inmate Roster, or call the jail at 925-335-4600 for the information you are looking for. The Jail Roster Report also links to the county arrests for the day as well as the Incident Report, which details all the calls that Contra Costa Sheriff Deputies were called to, and what the outcome was. You can also look up a list of criminal courts for Contra Costa County and every other county in California.

Martinez Detention Facility Inmate Search

The Martinez Detention Facility maintains an average of 1500 offenders in custody on any given day. The Martinez Detention Facility has a monthly turnover of 40% of their inmate population, another 30% turnover every 90 days, another 20% every six months, and approximately 10% stay incarcerated between six and twelve months. Every year Contra Costa County law enforcement agencies arrest and detain approximately 63,600 offenders.

The following charts of Contra Costa County inmate population demographics are updated daily. The information shown is for today. For research purposes we have broken down the inmates by sex, age, ethnicity, and criminal charges.

The information is compiled from the Contra Costa County Corrections Department, the state of California Department of Corrections, as well as the United States Department of Justice and Census Bureau records. It represents every person in custody in Contra Costa County.

For complete information on how to get directions, bond, visit, mail, send and receive email and texts, receive phone calls, and send money or commissary to an inmate, find arrest information for Contra Costa County and other counties surrounding this one, scroll down this page. We have a section for each.

We also provide photos of the jail that we have collected over the years.

⇓ Learn more ⇓ Show less
About the Martinez Detention Facility

Since opening in 1981 the Martinez Detention Facility has been in continuous operation and houses maximum security inmates for Contra Costa County. It also functions as the main booking and intake facility for all arrests throughout the county, and then houses both those who are waiting for their trial and those who have been sentenced but require a more restrictive environment than other facilities.

Several organizations in the community offer classes and programs within the facility to assist the inmates in learning new skills, overcoming past trauma or improve decision making. Rehabilitative programming is in place to overcome addictions or substance use, along with education on the topics, learning new decision making processes, and developing coping strategies for use in the future. Counseling is available as part of the mental health support along with psychiatric services, medical services, dental care, and other services are provided for all inmates as needed.

Another form of support is in mail, calls, and visits with family and friends, which has been shown to both improve mental health and reduce recidivism by having a support system in place for after their release and reintegration into their community. Visiting hours occur on Monday, Tuesday, Wednesday, Saturday and Sunday from 8:30am-11am, 1pm-5pm, 7:30pm-9pm, on Thursday 8:30am-11am and 1pm-5pm, and Friday 7:30pm-9pm.

Mail for all of the facilities in the county are sent to the following address using the 4 digit code shown for the facility your inmate is in.  

Inmate Name – Booking Number 
Martinez Detention Facility – 1117 
West County Detention Facility - 1118 
Marsh Creek Detention Facility - 1119 
PO Box 96777 
Las Vegas, NV 89193 

Mail must have a return address, be no bigger than 4x9.5 inch for envelopes and regular letter size paper, and less than 10 photographs of 4x6 may be included.
For online options create and account at www.pigeonly.com.

The three adult jails in Contra Costa County are the Martinez Detention Facility, the West County Detention Facility, and the Marsh Creek Detention Facility.

⇓ Learn more ⇓ Show less
Recent Bookings & Arrests

How is booking conducted at Martinez Detention Facility?

After an arrest, individuals are transported to Martinez Detention Facility for the booking process. This procedure ensures the person’s identity, assesses charges, and determines if they will be released, eligible for bail, or detained until court.

Remaining silent during this process is vital. Anything said could be used as evidence, so it’s wise to wait for an attorney before speaking about the arrest.

Here’s a breakdown of the booking steps at Martinez Detention Facility:

  • Verifying identification information.
  • Capturing mugshots for record-keeping.
  • Health assessments and questions about criminal history.
  • Possible DNA collection.
  • Physical search for contraband or weapons.
  • Securing personal belongings.
  • Granting a free phone call.

For questions about an arrestee’s bond, call the facility at 925-335-4600.

⇓ Learn more ⇓ Show less
Directions / Map to the Martinez Detention Facility
Inmate Bail and Bonding

How to post bail for someone arrested in Contra Costa County

When an individual is arrested and booked at Martinez Detention Facility in Martinez, the outcomes include:

1. Release without bail, under the condition they appear for their court date.
2. Remain in custody until the court appearance.
3. Post a bail or bond for release. Contact 925-335-4600 for specific bail amounts.

Bail payments can be made in different ways.

  • Cash bonds must be paid in full, either at the jail's bonding window or with the clerk of court, and are accepted as cash, cashier's check or money order; many jails also process cards through a lobby kiosk or online vendor for a fee, so bring the inmate's full name and booking number, and phone the jail at 925-335-4600 if needed.
  • You can work with a licensed bail bondsman in Contra Costa County.
  • Many courts allow a property bond, letting an owner put up land or a home after proving clear title and equity of at least the bond (often double) through a deed and a recent tax or appraisal value, with approval from the court that set bail.

For further information on posting bail in Contra Costa County, California, visit the Martinez Detention Facility Bail Information Page.

⇓ Learn more ⇓ Show less
Inmate Visitation

How Do You Visit an Inmate in the Martinez Detention Facility? What is the Schedule?

Martinez Detention Facility INMATE VISITATION SCHEDULE & GUIDELINES

901 Court Street
Martinez, CA 94553

925-335-4600

  • Confirm that your inmate is in the jail and able to receive visits.
  • If possible, call 925-335-4600 at least 24 hours before the day you want to visit to schedule a visit, however you can schedule a visit same day, but it may take some time to process your request.
  • Up to three visitors may visit an inmate at one time, and all visitors must be scheduled and at the facility no later than 30 minutes prior to the end of any visiting block.
  • Each visit will be for 45 minutes.
  • Each inmate is allowed two visits per week. This is subject to change. 
  • Each adult visitor will complete a visitors form before registering for the visit.
  • The registration must be complete, legible and include the following:
    Visitor’s name
    Visitor’s address
    Visitor’s date of birth
    Driver’s license number
    Inmate Name and Booking Number
    Visitor’s relationship to inmate
  • Parents and/or guardians of minor children will be required to provide a birth certificate or proof of guardianship of minor children during processing of the initial visit.
DAYS TIMES
SUNDAY 8:30 a.m. - 11:00 a.m.
1:00 p.m. - 5:00 p.m.
7:30 p.m. - 9:00 p.m.
MONDAY 8:30 a.m. - 11:00 a.m.
1:00 p.m. - 5:00 p.m.
7:30 p.m. - 9:00 p.m.
TUESDAY 8:30 a.m. - 11:00 a.m.
1:00 p.m. - 5:00 p.m.
7:30 p.m. - 9:00 p.m.
WEDNESDAY 8:30 a.m. - 11:00 a.m.
1:00 p.m. - 5:00 p.m.
7:30 p.m. - 9:00 p.m.
THURSDAY 8:30 a.m. - 11:00 a.m.
1:00 p.m. - 5:00 p.m.
FRIDAY 7:30 p.m. - 9:00 p.m.
SATURDAY 8:30 a.m. - 11:00 a.m.
1:00 p.m. - 5:00 p.m.
7:30 p.m. - 9:00 p.m.

We’ve compiled a list of Frequently Asked Questions and Answers for everything you need to know about Martinez Detention Facility’s Inmate Visitation Policies, Rules and Guidelines. If you still have questions after reviewing these FAQs, call 925-335-4600 for further assistance.

⇓ Learn more ⇓ Show less
Remote Video Visitation

Can I Use My Computer or Phone to Have a Remote Video Visit with an Inmate in the Martinez Detention Facility?

Martinez Detention Facility INMATE VISITATION SCHEDULE & GUIDELINES

901 Court Street
Martinez, CA 94553

925-335-4600

  • Confirm that your inmate is in the jail and able to receive visits.
  • If possible, call 925-335-4600 at least 24 hours before the day you want to visit to schedule a visit, however you can schedule a visit same day, but it may take some time to process your request.
  • Up to three visitors may visit an inmate at one time, and all visitors must be scheduled and at the facility no later than 30 minutes prior to the end of any visiting block.
  • Each visit will be for 45 minutes.
  • Each inmate is allowed two visits per week. This is subject to change. 
  • Each adult visitor will complete a visitors form before registering for the visit.
  • The registration must be complete, legible and include the following:
    Visitor’s name
    Visitor’s address
    Visitor’s date of birth
    Driver’s license number
    Inmate Name and Booking Number
    Visitor’s relationship to inmate
  • Parents and/or guardians of minor children will be required to provide a birth certificate or proof of guardianship of minor children during processing of the initial visit.
DAYS TIMES
SUNDAY 8:30 a.m. - 11:00 a.m.
1:00 p.m. - 5:00 p.m.
7:30 p.m. - 9:00 p.m.
MONDAY 8:30 a.m. - 11:00 a.m.
1:00 p.m. - 5:00 p.m.
7:30 p.m. - 9:00 p.m.
TUESDAY 8:30 a.m. - 11:00 a.m.
1:00 p.m. - 5:00 p.m.
7:30 p.m. - 9:00 p.m.
WEDNESDAY 8:30 a.m. - 11:00 a.m.
1:00 p.m. - 5:00 p.m.
7:30 p.m. - 9:00 p.m.
THURSDAY 8:30 a.m. - 11:00 a.m.
1:00 p.m. - 5:00 p.m.
FRIDAY 7:30 p.m. - 9:00 p.m.
SATURDAY 8:30 a.m. - 11:00 a.m.
1:00 p.m. - 5:00 p.m.
7:30 p.m. - 9:00 p.m.

We’ve compiled a list of Frequently Asked Questions and Answers for everything you need to know about Martinez Detention Facility’s Video Remote Visitation Policies, Rules and Guidelines. If you still have questions after reviewing these FAQs, call 925-335-4600 for further assistance.

⇓ Learn more ⇓ Show less
Inmate Money Accounts

How Do You Deposit Money for an Inmate in the Martinez Detention Facility?

There are multiple ways to add money to an inmate's account at Martinez Detention Facility, using Access Corrections Secure Deposits

1. Online - Making a deposit using a verified Visa or Mastercard online, or using their Apple or Android App.
2. By phone - Dial 866.345.1884 to reach their 24/7 Access Corrections domestic call centers.
3. Lobby kiosk - Ask the jail whether it has an Access Corrections kiosk for deposits.
4. By mail - Ask Access Corrections or the jail whether money orders can be mailed, and to what address.

Ask who the money order should be made out to, and include the inmate name and ID number on all money orders.

5. Walk-in Cash Deposits - Ask the Martinez Detention Facility whether it accepts cash deposits in person, and where.

Secure Deposits - Frequently Asked Questions
Secure Deposits - Video Tutorial on How it Works
Secure Deposits - Help Pages

Customer Service Contacts:
Phone: 866-345-1884
Email: customerservice@accesscorrections.com
Online Chat - Look for 'bubble' on bottom right of the page linked here.

Depositing Money in an Inmate's Commissary Account at Martinez Detention Facility

Whatever cash the inmate has on their person when booked into the facility will automatically deposited and credited to their account. When released any money left in the account will be returned to them in the form of a check from the Sheriff's Department or the Martinez Detention Facility Trust Account. There may be circumstances where the inmate can give permission to have his money released to a family member or friend.

Option 1 - Dropping Money at the Jail

  • Bring money to the jail in person. 
  • Either the jail personnel will process the Inmate Account payment or you will use a self-serve kiosk in the lobby that accepts cash, debit or credit cards.


Option 2 - Mail the Inmate Deposit to the Jail

  • Mailing a deposit takes more time to process than the other methods but can be done if you live too far away to bring it in person.
  • Never send cash. Always send a Money Order or Cashier's Check from the US Post Office, a reputable bank or Western Union.
  • Make the Money Order out to the Contra Costa County Sheriff and put their name and Inmate ID# in memo section of the Money Order.

Mail to:
901 Court Street
Martinez, CA 94553

Failure to do this properly will delay your inmate getting their account credited and may require you to have to resubmit a second money order.
Call 925-335-4600 to ask any questions about this.

We’ve compiled a list of Frequently Asked Questions and Answers for everything you need to know about Martinez Detention Facility’s Inmate Money and Trust Fund Policies, Rules and Guidelines. If you still have questions after reviewing these FAQs, call 925-335-4600 for further assistance.

⇓ Learn more ⇓ Show less
Inmate Phone Contact

How Do I Receive Phone Calls from an Inmate in the Martinez Detention Facility?

How Do You Communicate with an Inmate in the Martinez Detention Facility by Phone

Follow these instructions on how to open an account with GTL Connect Network (aka Viapath Technologies)

  • Advance Pay - This phone account allows you to prepay so that your inmate can call you (and only you) whenever he/she wants and the cost of each call is deducted from your balance. You can even be notified by text when your balance gets low. You still have the option of accepting or rejecting each call.
  • Pin Debit  -  This option allows you to fund an inmate's commissary account and lets him pay for phone calls to you and others with the money. You will have no control over who your inmate calls.
  • Voicemail  -  You can leave a secure voicemail without having to contact the facility. When you call the local phone number for a facility offering Inmate Voicemail (call Customer Service at 877-650-4249 to get the local voicemail number for Martinez Detention Facility, you will be informed of the cost for leaving a message. To leave your message, simply select the inmate by ID number. Then, record your voicemail.

For full instructions on the Martinez Detention Facility Inmate Phone System, what the costs are, how it works, and tips and guidelines on rules, regulations and saving money on calls, check out our Inmate Phones Page.

We’ve compiled a list of Frequently Asked Questions and Answers for everything you need to know about Martinez Detention Facility’s Inmate Phone Policies, Rules and Guidelines. If you still have questions after reviewing these FAQs, call 925-335-4600 for further assistance.

⇓ Learn more ⇓ Show less
Mailing an Inmate

How do I Mail an Inmate in the Martinez Detention Facility, and what can I send them?

Martinez Detention Facility Inmate Mail Guidelines

Postcards
Check the Martinez Detention Facility's mail rules before sending postcards or books. It is best to only use blue or black ink. Always include your name and return address.

Envelopes
The Martinez Detention Facility also allows envelopes to be mailed to inmates. It is best to only use blue or black ink.

Postcards and envelopes MUST HAVE the sender's full name and return address on the envelope. 

Postcards and envelopes MUST be mailed to the following address:
Inmate's Full Name & Booking #
Martinez Detention Facility – 1117
PO Box 96777
Las Vegas, NV 89193



Legal Mail

Send all Legal Mail to this Address:
Inmate's Full Name & Booking #
Martinez Detention Facility
901 Court Street
Martinez, CA 94553



Newspapers
Local or national newspapers may also be mailed to the inmate as long as they are mailed directly from the newspaper publisher.

Magazines
News, special interest or sports magazines may also be mailed to an inmate as long as they are shipped directly from the publisher. Any magazines that contain profanity, weapons, pornography or other content that is adult in nature will be confiscated by the jail staff and will NOT be delivered to the inmate.

Books
Check the Martinez Detention Facility's mail rules before sending postcards or books.
Books must NOT contain images or content that are considered excessively violent, pornographic or obscene. Any book that does not meet the Martinez Detention Facility standards will be disposed of.


All newspapers, magazines and books are to be shipped to:
Inmate's Full Name & Booking #
Martinez Detention Facility
901 Court Street
Martinez, CA 94553

Martinez Detention Facility Inmate Mail Guidelines

Postcards
Check the Martinez Detention Facility's mail rules before sending postcards or books.

Envelopes
The Martinez Detention Facility also allows envelopes to be mailed to inmates.

Postcards and envelopes MUST be mailed to the following address:
Inmate's Full Name & Booking #
Martinez Detention Facility – 1117
PO Box 96777
Las Vegas, NV 89193



Legal Mail

Send all legal Mail to this Address:
Inmate's Full Name & Booking #
Martinez Detention Facility
901 Court Street
Martinez, CA 94553



Newspapers
Local or national newspapers may also be mailed to the inmate as long as they are mailed directly from the newspaper publisher.

Magazines
News, special interest or sports magazines may also be mailed to an inmate as long as they are shipped directly from the publisher. Any magazines that contain profanity, weapons, pornography or other content that is adult in nature will be confiscated by the jail staff and will NOT be delivered to the inmate.

Books
Check the Martinez Detention Facility's mail rules before sending postcards or books.
Books must NOT contain images or content that are considered excessively violent, pornographic or obscene. Any book that does not meet the Martinez Detention Facility standards will be disposed of.


All newspapers, magazines and books are to be shipped to:
Inmate's Full Name & Booking #
Martinez Detention Facility
901 Court Street
Martinez, CA 94553

We’ve compiled a list of Frequently Asked Questions and Answers for everything you need to know about Martinez Detention Facility’s Inmate Mail Policies, Rules and Guidelines. If you still have questions after reviewing these FAQs, call 925-335-4600 for further assistance.

⇓ Learn more ⇓ Show less
Inmate Commissary

Can I purchase Commissary Online for an Inmate in the Martinez Detention Facility, and what can I purchase?

Martinez Detention Facility Inmate Commissary Online Purchases

You can order an inmate commissary or a gift package of snacks and hygiene products online and have them shipped directly to the facility by ordering from MyCarePack.com.

You can learn more about commissary purchases, including what you can purchase, how much it costs, how to deposit money and more on our inmate money and commissary page.

We’ve compiled a list of Frequently Asked Questions and Answers for everything you need to know about Martinez Detention Facility’s Commissary Policies, Rules and Guidelines. If you still have questions after reviewing these FAQs, call 925-335-4600 for further assistance.

⇓ Learn more ⇓ Show less
Texting and Emailing an Inmate

How Can I Communicate with an Inmate in the Martinez Detention Facility using an Online Messaging Service?

Martinez Detention Facility Digital Mail Instructions

When you send mail to an inmate in Martinez Detention Facility (see mailing address below), it gets sent to a third party service that takes the content and scans it, then forwarded to the jail to be printed out and given to the inmate.

Inmate's Full Name & Booking #
Martinez Detention Facility – 1117
PO Box 96777
Las Vegas, NV 89193

Martinez Detention Facility is using this service because all too often, inmates were receiving letters soaked in illegal liquid drugs.

The service, called Pigeonly, accepts non-privileged (legal) mail.

Pigeonly will also process the following non-privileged (personal) mail:

  • Letters (including drawings)
  • Greeting Cards
  • Postcards
  • 4x6 Photos (limit of up to 10 per parcel)
  • Unbound Newsletters

As an additional service Pigeonly offers a service where you don't even have to use the USPS to send the inmate mail, but can send your letters and photos directly from your phone or computer. There are several plans; monthly and annual, that come with a fee, but save you the trouble of dealing with writing and mailing letters the old school way.

For mailing, emailing and texting an Inmate in the Martinez Detention Facility use Pigeonly

Pigeonly allows you to physically or digitally send an inmate:

  • Letters (including drawings)
  • Greeting Cards
  • Postcards
  • 4x6 Photos (limit of up to 10 per parcel)
  • Unbound Newsletters

Pigeonly offers a service where you don't even have to use the USPS to send the inmate mail, but can send your letters and photos directly from your phone or computer. There are several plans; monthly and annual, that come with a fee, but save you the trouble of dealing with writing and mailing letters the old school way.

{facility_name-1} will either print them out for your inmate or put them on a terminal in their unit to see and read them.

For complete information on using pigeonly to mail letters, email letters, cards, photos, articles, as well as find out pricing plans, check out our Inmate Email page or Inmate Mail page.

We’ve compiled a list of Frequently Asked Questions and Answers for everything you need to know about Martinez Detention Facility’s Text and Email Policies, Rules and Guidelines. If you still have questions after reviewing these FAQs, call 925-335-4600 for further assistance.

⇓ Learn more ⇓ Show less
Inmate Tablets

Do Inmates in the Martinez Detention Facility have Access to Tablets or Computers?

We’ve compiled a list of Frequently Asked Questions and Answers for everything you need to know about Martinez Detention Facility’s Tablet Policies, Rules and Guidelines. If you still have questions after reviewing these FAQs, call 925-335-4600 for further assistance.

⇓ Learn more ⇓ Show less
Other Jails in Contra Costa County

What are the other City and County Jails in Contra Costa County?

Contra Costa County County Jails
Contra Costa County City Jails
Contra Costa County Juvenile Facilities
⇓ Learn more ⇓ Show less
Other Jails Nearby

What are the other Jails in the Neighboring Counties surrounding Contra Costa County?

Contra Costa Alameda San Joaquin Sacramento Solano
⇓ Learn more ⇓ Show less

Search for an Inmate or Active Arrest Warrant in Contra Costa County