Mariposa County, CA Home of Yosemite

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Adult Detention Facility
General Information
Codie Hart
Jail Lieutenant

Lisa Griffith

5379 Highway 49 North
Post Office Box 727
Mariposa, CA  95338

Ph: (209) 966-3616
Fx: (209) 966-8415

The jail is staffed and accessible to the public 24 hours a day. See "Inmate Visiting" for visiting hours.
8:00 am - 5:00 pm
The Mariposa County Adult Detention Facility is a Type II facility operated in accordance with applicable federal and state law.  The jail is a division of the Mariposa County Sheriff's office.  Many questions about the jail and inmate life may be answered by visiting the FAQ section of the County Home Page.  This section is located under E-Services, and departments are sorted alphabetically. 

No information regarding inmate movement, including court dates, medical, and dental appointments will be released by facility staff. No personal items for inmates of any kind, including clothing, will be accepted at the facility (except prescription medication in the original container). Inmates reporting for court ordered commitments should not bring personal items (except prescription medication in the original container). Facility staff will not recommend or refer bail bond agents. A partial listing of local agents may be found on the Public Information link on this page.

Questions about jail operations, policies and procedures may be referred to the Lieutenant's Office at the jail.

Inmate Visiting
You will need to know the cell block assignment for the inmate you wish to visit. A government issued picture ID will be required. Visitors must wear shirts and shoes. No bare midriffs, low cut tops, mini skirts, or see-through clothing. No "colors" or gang affiliated clothing will be permitted. No handbags, diaper bags, strollers, cell phones, audio or video recording devices. No food or drink is allowed in the visiting room.

Each inmate may visit for one hour each week. Visits begin at the top of the hour. All visits are through glass. You must be at least age 18, or accompanied by a parent, or the child or spouse of an inmate. Visiting days and times are:

A Block - Sunday from 1 to 4 p.m.     B Block - Saturday from 1 to 4 p.m.

C Block - Friday from 1 to 4 p.m.       D Block - Wednesday from 1 to 4 p.m.

E Block - Sunday from 9 to 11 a.m.   F Block - Saturday from 9 to 11 a.m.

Inmate Phone Calls
Inmates may not receive incoming phone calls. Telephone messages will not be accepted by facility staff. Inmates have access to phones for outgoing calls during the booking process, and, once housed, inmates have access to phones for outgoing calls from 6 a.m. to 11 p.m. each day. Local calls are free of charge during the booking process. Once housed, all calls must be made either collect, or using a phone card purchased at the facility. Commercial phone cards will not work with facility telephones. For billing questions or to place a phone block, please call Securus Technologies at 800.844.6500 or 800.947.0899 or visit the Inmate Phone System link on this page.

Inmate Mail
All incoming and outgoing mail is monitored. Mail should be sent to the inmate at the address above. No booking number or cell assignment is necessary. Inmates may NOT receive the following items:
  • Polaroid pictures
  • stickers or postage stamps
  • cash, personal checks or money orders 
  • stationery, blank paper or envelopes
  • packages of any kind

Letters may not be scented, perfumed or have lipstick or body fluids of any kind. Inmates may not receive magazines unless sent directly from the publisher. Hardcover books will not be accepted. A complete listing of rules governing inmate mail may be found on the Public Information link on this page.  Inmates may not receive packages of any kind from any source.

Inmate Funds

The County Jail has instituted new methods for accepting funds for inmate use in the jail commissary system.  Without exception, the jail will no longer accept funds over the counter or money orders through the mail for inmate funds.  In order for members of the public to provide inmates with funds, some information will be required.

  • Pay Location Code: 5500
  • Inmate’s first and last name
  • Facility Code: 068
  • Inmate’s Main Number (this information may be obtained from the inmate)

 With this information, one of the following methods must be used:

 Kiosk:  There is now a machine located in the lobby of the jail that will accept cash, and debit or credit cards.  The machine will assess a surcharge of $3.25 per transaction.  The maximum number of debit/credit card transactions per week is 5 for a total of $200.00.

Web:   The public may visit the web site at  There is a surcharge of $5.25 per transaction for this service.  Minimum deposit is $25.00 and maximum is $100 per transaction.  The maximum number of transactions per week is 5 for a total of $200.00.

Telephone:     The public may use the telephone to deposit funds by dialing 1-888-277-2535.  There is a surcharge of $6.75 per transaction for this service.  Minimum deposit is $25.00 and maximum is $100 per transaction.  The maximum number of transactions per week is 5 for a total of $200.00.

Questions should be directed to the Lieutenant’s Office at the jail.  209.966.3616, or PO Box 727, Mariposa, CA 95338.

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5100 Bullion St.  |  Mariposa, CA 95338  |  Telephone Numbers