Map of Nassau County
Every point is a facility. Select one to open its record.
Prisons & jails
5 facilities
| Leadership Training Institute - Project 29 | Juvenile facility | Hempstead | (516) 483-3400 | 12 |
| Leadership Training Institute - Project 350 | Juvenile facility | Hempstead | (516) 483-3400 | 8 |
| Nassau County Correctional Center | County jail | East Meadow | (516) 572-4200 | — |
| Nassau County Juvenile Detention Center | Juvenile facility | Westbury | (516) 571-9260 | 32 |
| Nassau County Mercyfirst-Whiston Hall NSD | Juvenile facility | Syosset | (516) 921-0808 | — |
Police & law enforcement
32 agencies
Frequently asked
How many places of detention does Nassau County, New York have?
The atlas lists 5 prisons, jails and detention centres in Nassau County, New York, including 4 juvenile facilities and 1 county jail.
Which police agencies serve Nassau County, New York?
32 police units are listed for Nassau County, New York: 28 police departments, 2 sheriff's offices and 1 state agency.
How do I find out if someone is in jail in Nassau County, New York?
Call the county jail or use the sheriff's online inmate lookup. Official agency records are the final authority on custody status.
Are telephone numbers available for these facilities?
Yes for 37 entries of 37. Where a number is missing, the facility page shows its address and map location; details can change, so the agency's own website is the authority.
Are there women's, youth or remand facilities in Nassau County, New York?
The atlas lists 4 juvenile facilities here. Each has its own page with the address and, where published, a phone number.
Where are most of the prisons in Nassau County, New York?
Hempstead has the most, with 2 places of detention in the atlas, out of 4 towns with at least one.
What other areas are in New York?
New York has 61 other areas in the atlas; New York County has the most entries (75), followed by Westchester County.