United States · NY · Ossining
Sing Sing Correctional Facility
Data is aggregated from public sources and may be incomplete or out of date.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 Sing Sing Correctional Facility
Step-by-step guidance using the United States system — addresses, money services, visit booking, what to bring on your first visit.

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

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

Photo by Bonner, John, 1828-1899; Curtis, George William, 1824-1892; Alden, Henry Mills, 1836-1919; Conant, Samuel Stillman, 1831-1885?; Schuyler, Montgomery, 1843-1914; Foord, John, 1842-1922; Davis, Richard Harding, 1864-1916; Schurz, Carl, 1829-1906; Nelson, Henry Loomis, 1846-1908; Bangs, John Kendrick, 1862-1922; Harvey, George Brinton McClellan, 1864-1928; Hapgood, Norman, 1868-1937 via Wikimedia Commons (No restrictions)

Photo by Internet Archive Book Images via Wikimedia Commons (No restrictions)

Photo by Unknown via Wikimedia Commons (CC BY 4.0)

Photo by Unknown authorUnknown author via Wikimedia Commons (Public domain)

Photo by Iedit4life via Wikimedia Commons (CC BY-SA 4.0)

Photo by Unknown authorUnknown author via Wikimedia Commons (Public domain)

Photo by Bain News Service, publisher via Wikimedia Commons (Public domain)
Superintendent: Marlyn Kopp Sing Sing Correctional Facility is a maximum security level facility for males.
Capacity
—
Current population
—
Occupancy
—
Year opened
1826
Operational
Figures from official sources · verified 29 May 2026 · methodology
Facility profile
Population held
male
Opened
1826
Region
NY
Security level
Maximum
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
- Carl Henry Leverage1885–1931 · writer
Henry Leverage (died 1931) was a writer of stories and pulp fiction novels.
Roland Burnham Molineux1866–1917 · chemist- John Y. McKane1840–1899 · politician
- Julius Jacob Hammer1874–1948 · politician
- Wayne Lonergan1918–1986 · aircraft pilot
Lucky Luciano1897–1962 · gangsterCharles "Lucky" Luciano ( LOO-chee-AH-noh; Italian: [luËtÊaËno]; born Salvatore Lucania [salvaËtoËre lukaËniËa]; November 24, 1897 â January 26, 1962) was an Italian gangster who operated mainly in the United States.
James Larkin1876–1947 · politicianJames Larkin (28 January 1874 â 30 January 1947), sometimes known as Jim Larkin or Big Jim, was an Irish republican, socialist and trade union leader.
Source: Wikidata + Wikipedia.
Contact & address
Conditions Risk Score
Derived signal — not a judgement. How it's calculated
- Overcrowding
- 0/30
- Oversight reports
- 1/30
- Structural flags
- 0/15
- Death signals
- 5/15
- Conditions text
- 0/10
What the score is responding to:
- · 1 oversight report in the last 5 years
- · In-custody-death signal in sources
This facility scores 6. The national average across 7,437 scored United States facilities is 2 — 4 points above national average.
Related facilities
Same country, matched on type + security level where possible.
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- Kern Valley State Prison (Kvsp)DelanoMaximumState prison152% occupancy
- Diagnostic And Evaluation CenterLincolnMaximumState prison178% occupancy
- High Desert State Prison (Hdsp)SusanvilleMaximumState prison152% occupancy
- Calipatria State Prison (Cal)CalipatriaMaximumState prison161% occupancy
Reports
- marshall-project29 Jun 2022
ds, a look back at how the court reversed itself on capital punishment — spurring an anti-death penalty movement. Filed 5:00 a.m. EDT 06.29.2022 The electric chair at the Sing Sing Correctional Facility, in Ossining, N.Y. George Rinhart/Corbis via Getty Images The electric chair at the Sing Sing Correctional Facility, in Ossining, N.Y. George Rinhart/Corbis via Getty Images F ifty years ago, as
- marshall-project12 Apr 2021
onal officers, our training tells us to call prisoners “inmates.” I can’t really tell you why. I just know they train us in New York state to use that word. But when I started at Sing Sing Correctional Facility 25 years ago, I had a lot of neighborhood friends who were incarcerated there. We grew up together in Hollis, Queens, so they knew me by my last name. When it came to what to call them, I
- marshall-project8 Sept 2015
al prison or jail and chances are that Google reviews will pop up alongside more traditional hits. (Even TripAdvisor once hosted a lively debate about whether a tourist visit to Sing Sing Correctional Facility or Rikers Island would be ethical, if such a thing were allowed.) “We’re in this space where having an opinion is rewarded,” says Reuben Jonathan Miller, a University of Michigan
Data completeness
62%How many of our profile fields are populated. We surface this so families and researchers know the limits.
Sources
- NYS DOCCS facility â Sing Sing Correctional Facility
- NYS DOCCS facility directory
- New York State DOCCS â facility directory — State of New York
- OpenStreetMap — OpenStreetMap Contributors
- Wikidata — Wikimedia Foundation
- Wikidata (Q764049)
- Wikipedia
- Wikimedia Commons
- See /data-sources for our overall methodology.
Cite this page
Under CC-BY-4.0. Include the URL and access date; the site is a living reference and entries can change.
World Prisons. (2026). Sing Sing Correctional Facility. Retrieved October 20, 2026, from https://worldprisons.com/prisons/sing-sing
"Sing Sing Correctional Facility." World Prisons. Accessed October 20, 2026. https://worldprisons.com/prisons/sing-sing.
@misc{worldprisons-sing-sing,
author = {{World Prisons}},
title = {Sing Sing Correctional Facility},
year = {2026},
url = {https://worldprisons.com/prisons/sing-sing},
urldate = {2026-10-20}
}