Maricopa County Sheriff's Office
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Jail Locations
The Maricopa County Sheriff's Office is the fourth largest Sheriff's Office in the country. Our Detention staff is responsible for the care and custody of thousands of inmates that come through our jail system, every year. Our Detention Staff is available 24 hours a day 365 days a year.
If you need to get in touch with one of our jails or district offices, their contact info is listed below.
4th Avenue Jail
- Address:201 S. 4th Avenue
Phoenix, AZ 85003 - Phone:(602) 876-0322
Amenities:- Account Deposits
- Jail Information
- Address:201 S. 4th Avenue
Captain: Brent Williams
Inmate Capacity: Approximately 2,064 beds 1,152 Cells (288 specifically designated for highest security level inmates)
Classification of Inmates Housed: Male Maximum - General Population, Medium - General Population, Closed Custody, Maximum/Medium Sentenced Working Male inmates.
Square Footage: 577,883
Built In: 2005
Unique Features:
- Most secure facility in County jail system, housing the highest security inmates inside a uniquely designed Special Management Unit.
- The Basement Level is comprised of Inmate Programs, Chaplain, and Inmate Legal Services staff.
- Fourth Avenue Jail has one Main Medical Clinic on the Basement level and a Mini Medical Clinic on levels 2, 3, and 4.
- Medical has offices that consist of Dental, X-Ray, Pharmacy and Psychiatric staff.
- Each housing pod has two classrooms, four video visitation booths, attorney room, a dayroom and recreation yard, limiting the amount of inmate movement required.
- Level 4 consists of three separate designs for increasing levels of security.