World Prisons
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United States

Valley State Prison

Low
Verified
Aging · 5mo ago
Sources last reviewed on

Data is aggregated from public sources and may be incomplete or out of date. Always verify with primary sources before acting on any figure. See data sources.

For families

How to send mail, money, and visit Valley State Prison

Step-by-step guidance using the United States system — addresses, money services, visit booking, what to bring on your first visit.

Open toolkit
Photograph of Valley State Prison

Gallery

From Wikimedia Commons (CC-BY-SA where not otherwise stated).

  • Central California Women's Facility (left) and Valley State Prison (right) DSC 0213 (7984779348).jpg

    Photo by Bill Abbott via Wikimedia Commons (CC BY-SA 2.0)

  • VSPW 24th Avenue Chowchilla California sign Oct 2004.JPG

    Photo by Ksba pilot via Wikimedia Commons (CC BY-SA 4.0)

Capacity

—

Current population

—

Occupancy

—

Year opened

1995

Operational

Figures from official sources · verified 1 Jun 2026 · methodology

Facility profile

Population held

Mixed/unknown

Opened

1995

Region

—

Security level

—

Death-row facility

No

Conditions

No conditions summary available yet.

Visiting

No visiting information available.

Mailing

No mailing information available.

Practical info

Contact the operator's website for inmate-specific procedures.

Known issues

No major issues documented in our database.

Notable inmates

  • Diane Downs
    Diane Downs
    1955 · mail carrier

    Elizabeth Diane Downs (née Frederickson, born August 7, 1955) is an American woman who murdered her daughter and attempted to murder her other two children on May 19, 1983, in Oregon.

Source: Wikidata + Wikipedia.

Contact & address

21633 Avenue 24

Conditions Risk Score

Derived signal — not a judgement. How it's calculated

—
Insufficient data
We don't have enough public data on this facility to score it. Have something to add? Send us a correction.

Related facilities

All in United States →

Same country, matched on type + security level where possible.

Data completeness

30%

How many of our profile fields are populated. We surface this so families and researchers know the limits.

Sources

Cite this page

Under CC-BY-4.0. Include the URL and access date; the site is a living reference and entries can change.

APA
World Prisons. (2026). Valley State Prison. Retrieved October 20, 2026, from https://worldprisons.com/prisons/valley-state-prison
Chicago
"Valley State Prison." World Prisons. Accessed October 20, 2026. https://worldprisons.com/prisons/valley-state-prison.
BibTeX
@misc{worldprisons-valley-state-prison,
  author = {{World Prisons}},
  title = {Valley State Prison},
  year = {2026},
  url = {https://worldprisons.com/prisons/valley-state-prison},
  urldate = {2026-10-20}
}