Minimum to maximum security (men) · State Prison · WA DOC

Washington State Penitentiary

Walla Walla, Walla Walla County, Washington

Visiting schedules change without notice. Always call before traveling.

Call Visiting Office: (509) 525-3610 Info last verified: June 2026

Washington's oldest prison, a multi-custody state institution for men in Walla Walla housing minimum through maximum custody.

Overview

Washington State Penitentiary, on North 13th Avenue in Walla Walla, is a multi-custody state prison for men. WA DOC lists its custody levels as minimum, medium, close, and maximum, and its capacity at about 2,439 incarcerated individuals. It is the oldest prison in the Washington system, opened in 1886, and it sits in Walla Walla County in the far southeast corner of the state, near the Oregon line.

What Makes Washington State Penitentiary Different

  • It is the oldest prison in Washington. The penitentiary opened in 1886 and has operated continuously since.
  • It is the statewide maximum-custody flagship. WSP holds men across the full custody range, from minimum through maximum, and includes an Intensive Management Unit for restrictive housing.
  • It is one of the largest prisons in the state, with a capacity of about 2,439.
  • It is in the far southeast corner of Washington, in Walla Walla, near the Oregon line and several hours from the Seattle and Spokane metropolitan areas.

Visiting

The statewide WA DOC rules above — the approved visitor list, the dress code, ID, and item limits — apply at Washington State Penitentiary. The facility’s own arrangements:

The full approval process is in Visiting in Washington.

Getting There and Parking

The prison is in Walla Walla, in Walla Walla County, in the far southeast corner of Washington.

Distances are approximate, based on map routing. Visitor parking is on site.

Nearby Services

Walla Walla has the closest gas, food, and lodging. The nearest 24-hour emergency room is at the hospital in Walla Walla, a short drive from the facility, which also offers the fullest range of services in the immediate area.

Mail

Incoming personal mail goes directly to the facility — Washington does not use an off-site mail-scanning vendor. Address mail with the incarcerated person’s committed name and DOC number to the facility’s mailing address (above); mailroom staff review incoming mail and publications. Books and magazines must come directly from a publisher or an approved vendor, and used books are accepted only from approved nonprofit organizations. Legal mail is opened in the person’s presence under the privileged-mail rules. Full rules are in Mail & Packages.

Learn More

For detailed information about visiting and communicating with someone in a Washington state prison:

Sources

This page is compiled from the following publicly available sources. Policies change without notice — confirm current details with the facility before relying on them.