Maricopa County-4th Avenue Jail

About Maricopa County-4th Avenue Jail

Maricopa County-4th Avenue Jail is a Adult correctional facility in Maricopa County, Arizona. The facility operates under the county Department of Corrections and holds individuals awaiting trial, serving short sentences, or awaiting transfer to a state prison. It has a capacity of approximately 2064 beds.

Maricopa County-4th Avenue Jail provides a range of correctional services to both pre-trial detainees and sentenced inmates. The Maricopa County correctional system plays a key role in maintaining public safety and administering justice in the local community. Inmates may participate in educational programs, work assignments, and substance abuse treatment depending on their classification.

Families and loved ones of inmates housed at Maricopa County-4th Avenue Jail are encouraged to stay connected through approved communication channels. Regular contact — through mail, phone calls, and scheduled visitation — supports inmate well-being and reduces recidivism after release. Read our guide on calling an inmate and visiting an inmate to get started.

Facility Type and Security Level

Maricopa County-4th Avenue Jail is classified as a Adult facility operating at a medium level of security. Medium-security facilities balance inmate supervision with rehabilitation programming, allowing inmates greater movement within the facility than high-security institutions. Visitation is typically permitted on scheduled days during facility operating hours.

Contact Maricopa County-4th Avenue Jail Administration

Phone

Reach the facility's administration directly at 602-307-9101. Staff are available during standard business hours to answer questions about inmate status, visiting, and facility policies.

Fax

You can fax documents to Maricopa County-4th Avenue Jail at 602-307-5613. Faxing is useful for submitting legal documents or visitation applications.

How to Contact an Inmate at Maricopa County-4th Avenue Jail

Send Mail

You may send letters, photos (non-Polaroid), and approved publications to an inmate at the following address:

Phone Calls

Maricopa County-4th Avenue Jail allows inmates to make outgoing phone calls through the facility's approved carrier, Global Tel Link (GTL) - ConnectNetwork. You must set up a prepaid account with the carrier before you can receive calls from the facility. All calls are recorded and subject to monitoring. Read our first-time inmate phone setup guide for step-by-step instructions.

How to Send Money to an Inmate's Trust Fund

Sending money to an inmate's commissary trust account allows them to purchase hygiene products, food, and phone credits from the facility store.

Arizona inmates use a commissary trust account to purchase approved items including hygiene products, food, and phone credits. The Arizona Department of Corrections, Rehabilitation and Reentry accepts deposits through several approved services.

Method 1 — JPay (Online & Mobile, Recommended)

• Visit JPay.com or download the app: Android iOS
• Search by the inmate's Arizona DOC number or name. Pay by debit or credit card.
• Funds post within 24–48 hours on business days.

Method 2 — Western Union (Online or In-Person)

• Visit westernunion.com or any Western Union agent location.
• Select "Quick Collect" and provide the inmate's name and Arizona DOC number.
• Service fees apply at Western Union locations.

Method 3 — Facility Kiosks (In-Person)

• Most Arizona DOC facilities have kiosks near the lobby or visitation area.
• Kiosks accept debit and credit cards. Funds typically post immediately.

Method 4 — Cashier's Check or Money Order by Mail (USPS Only)

• Make the money order or cashier's check payable to the inmate's full name with the Arizona DOC number on the memo line.
• Send via USPS only to the facility's business office (contact the specific facility for the current mailing address).
• Processing time: 7–10 business days after receipt.

Information Required

• Inmate's full committed name
• Arizona DOC inmate number
• Facility name

Read our full inmate money guide for Arizona-specific instructions.

Visitation Guide for Maricopa County-4th Avenue Jail

Visiting your loved one at Maricopa County-4th Avenue Jail requires advance preparation. Review the timings and rules below before planning your trip. For the most current schedule, contact the facility at 602-307-9101.

Getting Approved to Visit

All visitors must be on the inmate's approved visitor list before arriving. To be added to the list, complete a visitor application and submit it to the facility. Download the state-wise visitor approval application for your state. Approval may take several days to weeks — apply well in advance of your planned visit.

Visitation Rules

Visitation is a privilege at Maricopa County-4th Avenue Jail. Visits may be restricted, suspended, or terminated for safety and security reasons. The following rules apply to all visitors:

• All visitors aged 17 and older must present a valid government-issued photo ID (driver's license, passport, or state ID).
• Visitors under 18 must be accompanied by an approved adult for the entire duration of the visit.
• A maximum of 2 adults and 2 children may visit an inmate at one time (subject to facility capacity).
• Inmates are typically allowed 20-minute visits per visitation day, though this varies by facility policy.
• All visitors and their belongings are subject to search before entering. Contraband will be confiscated.
• Bring only permitted items — no food, beverages, or electronic devices unless specifically authorized.
• Dress appropriately: no revealing clothing, no gang-affiliated colors, and no clothing resembling inmate uniforms.
• Attorneys may visit inmates 24 hours a day, seven days a week with proper credentials.
• No video or audio recording of inmates is permitted during any visit.
• The facility's security staff may terminate any visit at any time if rules are violated.

Visitation Timings

Visiting hours shown are approximate and subject to change. Always confirm current hours with the facility before your visit.