Maricopa County-4th Avenue Jail

You can support your loved ones at MCSO-4th Ave Jail on InmateAid, if you have any immediate questions contact the facility directly at 602-307-9101.

When someone you care about gets locked up, it's tough to figure out all the ins and outs of jail life. From sending mail to visiting, there are a lot of things to sort out. And getting info about the arrest? Not always easy. That's where this webpage comes in handy. It's here to help you get a handle on how things work here so that you can stay connected and support your loved one behind bars.

The MCSO-4th Ave Jail is a detention center located at 201 S 4th Ave Phoenix, AZ which is operated locally by the Maricopa County Sheriff's Office and holds inmates awaiting trial or sentencing or both. Most of the sentenced inmates are here for less than two years. Maricopa County accepts inmates from surrounding towns, Phoenix Police Department, and the US Marshal's Service.

New detainees arrive at the jail regularly, with some being released on bail, placed under pretrial services caseloads, supervised by probation agencies, or released on recognizance with a court appearance agreement. Those who are not released await their court appearances at the jail, receiving accommodations including bedding and meals.

You can see all the arrest records for Arizona here.

The 4th Avenue Jail, which opened in April 2005, stands as one of the nation's most secure and technologically advanced correctional facilities. As part of the largest county jail expansion project in U.S. history, this state-of-the-art facility has a capacity of approximately 2,064 beds, including 288 specifically designed for the highest security level inmates.

This facility is equipped with a comprehensive medical and dental clinic, ensuring inmates receive the necessary healthcare. Educational and religious services are also provided in the chapel and classrooms. The jail houses male inmates across various classifications, such as maximum and medium general population, closed custody, and maximum/medium sentenced working inmates. Spanning 577,883 square feet, the 4th Avenue Jail is a model of modern correctional infrastructure.

Key features include its status as the most secure facility in the county jail system, particularly for housing high-security inmates in a specially designed Special Management Unit. The basement level hosts Inmate Programs, Chaplain services, and Inmate Legal Services staff, along with a Main Medical Clinic. Mini Medical Clinics are available on levels 2, 3, and 4, offering dental, X-ray, pharmacy, and psychiatric services.

Each housing pod is designed to limit inmate movement, featuring two classrooms, four video visitation booths, an attorney room, a day room, and a recreation yard. The first floor serves as the "Central Intake," processing an average of 263 bookings daily. This section includes Initial Appearance (IA) Courts for the county and Phoenix, an Intake Control Room, a Classification Section, Pre-Trial Services, Intake Medical, Bonds and Fines processing, and Visitation.

The Maricopa County Sheriff's Office handles police custody bookings at the Intake, Transfer, and Release (ITR) Facility is located at 2670 S. 28th Drive, Phoenix, AZ 85009. For questions regarding an inmate's initial arrest, individuals should contact the arresting agency. Inmates at the ITR have access to telephones for placing collect calls.

Court-ordered self-surrenders are processed at the ITR Facility. Individuals should park or be dropped off in the designated public parking lot at the corner of Gibson and 28th Drive and proceed to the door marked for self-surrender on the southeast side of the building.

Funds can be deposited into inmate accounts using TouchPay kiosks at the facility, which accept cash and Visa/Mastercard, with funds typically posted within an hour. A service fee is applied. Deposits can also be made via telephone at 1-866-355-9593, online at TouchPay Direct,All incoming inmate mail, including newspapers, magazines, and books, must be sent to the central mailroom at the Lower Buckeye Jail, regardless of the inmate's housing location.

To ensure safety and security, all incoming mail, except legal mail, must be standard postcards between 3.5 x 4.25 inches and 4.25 x 6 inches, written in blue or black ink, and free of defacements or alterations. Unacceptable postcards include those with plastic wrappings or depictions of nudity, weapons, criminal activity, or gang references. All books and subscription publications must be softback and purchased directly from a publisher.

Inmates are released at the ITR Facility and directed to the public parking lot at the corner of Gibson and 28th Drive for pickup. Unauthorized vehicles are not permitted near the main lobby of the ITR building at the Durango Detention Center. Inmates can place collect calls to notify contacts of their pending release. Updated inmate information is available via the "Inmate Information" link on the Maricopa County Sheriff's Office website.