France · DISP Paris · Osny
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(selon l'OIP) Adresse : Chemin Vert 95520 Osny. Date de mise en service : 1990. Nature : Maison d'arrêt. Capacité opérationnelle : 749 places pour 964 personnes hébergées. Densité carcérale : 153,3 %.
Capacity
750
Current population
1,238
Occupancy
165%
Year opened
1990
Operational
Figures from official sources · verified 9 Jul 2026 · methodology
Operator
—
Population held
male
Opened
1990
Region
DISP Paris
Security level
—
Death-row facility
No
No conditions summary available yet.
No visiting information available.
No mailing information available.
Contact the operator's website for inmate-specific procedures.
No major issues documented in our database.
Derived signal — not a judgement. How it's calculated
What the score is responding to:
This facility scores 22. The national average across 732 scored France facilities is 12 — 10 points above national average.
Same country, matched on type + security level where possible.
Higher risk than 61% of peer facilities in France.
How many of our profile fields are populated. We surface this so families and researchers know the limits.
Under CC-BY-4.0. Include the URL and access date; the site is a living reference and entries can change.
World Prisons. (2026). Centre pénitentiaire de Osny Pontoise. Retrieved July 21, 2026, from https://worldprisons.com/prisons/centre-penitentiaire-de-osny-pontoise
"Centre pénitentiaire de Osny Pontoise." World Prisons. Accessed July 21, 2026. https://worldprisons.com/prisons/centre-penitentiaire-de-osny-pontoise.
@misc{worldprisons-centre-penitentiaire-de-osn,
author = {{World Prisons}},
title = {Centre pénitentiaire de Osny Pontoise},
year = {2026},
url = {https://worldprisons.com/prisons/centre-penitentiaire-de-osny-pontoise},
urldate = {2026-07-21}
}