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Riverside County (Opens in New Window)

Inmate Mail Policy

Inmates are permitted to send and receive unlimited letters each day in order to maintain communications with their legal representatives, families, friends, business associates, and government authorities. Two categories of mail are defined as:

  1. Regular Correspondence - Communication to or from inmates through letters. Incoming mail is inspected to prevent the following:
    • Transmission of contraband, i.e. drugs or any other prohibited materials or substances into the facility.
    • Escape plans.
    • Criminal conspiracies.
    • Any other type of threat or compromise to the over-all security of the facility and/or the safety of staff and inmates.

  2. Legal or Special Correspondence - Mail between an inmate and:
    • All state and federal elected officials.
    • All state and federal officials appointed by the Governor or the President of the United States.
    • All city, county, state, and federal officials having responsibility for the inmate's present, prior, or anticipated custody, parole, or probation supervision.
    • All state and federal judges and courts.
    • An attorney at law registered with a state bar association.
    • The State Corrections Standards Authority.
    • Facility Commander.

      • Incoming legal mail that is legibly noted as "Legal Mail" will be opened and inspected in front of the inmate. 
      • All legal mail must have the following "return to sender" information on the envelope and is subject to verification:
        • Law firm name
        • Attorney's complete name
        • Law firm's complete address
      • Legal size paper is authorized for attorney use only.
      • Outgoing legal mail may be inspected in the presence of the inmate then sealed and processed with other outgoing mail.
  • Narcotics, marijuana, handcuff keys, hacksaw blades, postage stamps, stickers, etc.
  • Pictures or photographs may not contain violence, nudity, sexual acts, or gang-related activities including hand signs, decorative stickers, personal checks, etc.
  • Mail tainted with perfume, cologne, or any other type of substance, including correction fluid, gel ink, or written in crayon etc.

Contraband that is illegal will result in criminal charges being filed. Contraband that is not of a criminal nature will be returned to the sender.

Rules for Regular Incoming Mail

  • All inmate mail must have:
    1. Sender's complete name and return address (no AKA's, nicknames, monikers).
    2. Inmate’s complete first and last name under which he or she is booked.
    3. Complete and correct booking number.
    • Mail with no return address will be placed in the inmate's property.
    • Stick-on return address labels are not allowed.
    • To ensure delivery to the correct inmate, inmate's name and booking number must match in our system.
    • Booking numbers that are missing, incomplete or incorrect will be returned to the sender.
  • Any mail that is dirty or stained will be considered contaminated and returned to the sender.
  • Mail that contains any of the following will be rejected:
Not Allowed (Incoming Regular Mail) ***
  • Care packages
  • Greeting cards
  • Flowers, candy, food, or any perishables
  • Postcards, pamphlets, or business cards
  • Mail written in crayon, paint, or colored pencil (colored copies from a copier are okay)
  • Gel ink, marker, felt-tip or highlighter
  • Mail with lipstick imprinted on it
  • Items containing glue or white-out
  • Blank stationery, envelopes, Post-it Notes
    • Plastic or metal
    • Glitter, Tape
    • Craft materials
    • Parchment or stock paper
    • Colored paper (standard, white, 1-ply paper only, no legal size)
    • Staples
    • Paper clips
    • Ribbons
  • Cash or personal checks (U.S. Postal money orders only are accepted)
  • 10 photos maximum per envelope, no larger than 4 x 6 inches.
    • The pictures may not contain violence, nudity, sexual acts, or gang-related activities including hand signs.
  • Odor-causing substances like perfume or cologne that permeate the mail
  • Polaroids
  • Phone cards
  • Postage stamps (loose or book)
  • Hardback or leather-bound books (see below for details)
  • Torn-out book, magazine or newspaper clippings or pages
  • Stickers, labels, or anything with adhesive*
  • Stick-on return address labels **
* Envelopes are not given to the inmates. Return addresses are torn off and given to an inmate per the inmate's request.
** Stick-on return address labels are NOT allowed due to the adhesive used on the labels.
*** Other items not listed above will be reviewed on a case-by-case basis to determine any possible compromise or threat to the overall security of the facility and/or the safety of staff and inmates.

Books & Magazines

All books, magazines, and periodicals must be prepaid and delivered by the United States Postal Service only. The publication/subscription shall be mailed directly from the publisher or originate from a verifiable and reputable internet/mail order company or a bookstore via their internet or mail order facilities.

All books, magazines, and periodicals must have the inmate's complete name and booking number clearly marked.

Not Allowed (Books & Magazines)
  • Hardback or leather-bound books.
  • Obscene, or sexually oriented publications or writings (including magazines such as Playboy, Penthouse, Hustler, etc.) and mail containing information concerning where, how or from whom such matter may be obtained.
  • Any matter of character tending to incite murder, arson, riot, racism, or any other form of violence (including anything which may adversely affect jail security due to a gang-type theme or pictures depicting gang activity).
  • Any other matter concerning unlawful gambling or an unlawful lottery.

Mailing Addresses for Jails

All mail addressed to inmates must contain the inmate's full name and booking number.  Use this link to look up the booking number:  Inmate Booking Number Opens in new window

Blythe Jail

(Inmate Name & Booking Number)
Blythe Jail
P.O. Box 1270
Blythe, CA 92226

Robert Presley Detention Center

(Inmate Name & Booking Number)
Robert Presley Detention Center
P.O. Box 710
Riverside, CA 92501

Cois M. Byrd Detention Center

(Inmate Name & Booking Number)
Cois M. Byrd Detention Center
30755-B Auld Road
Murrieta, CA 92563

Indio Jail

(Inmate Name & Booking Number)
Indio Jail
P.O. Box 1748
Indio, CA 92201

Larry D. Smith Correctional Facility

(Inmate Name & Booking Number)
Smith Correctional Facility
1627 S. Hargrave Street
Banning, CA 92220



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- County Jail Contacts -
Blythe: 760-921-5780
Indio: 760-863-8252
Presley: 951-955-4500
Smith: 951-922-7300
Byrd: 951-696-3050