Riverhead Armory
| Street Address: | 1405 Old Country Road |
| City: | Riverhead |
| County: | Suffolk |
| Year Constructed: | 1957? |
| Architect: | Unknown |
| Size: | |
| Square footage: | 32,101 NSF |
| Acreage: | 5.72 Acres |
| Status: | Closed in 2011 / Transferred to Town of Riverhead in 2011 |
Headquarters and Headquarters Detachment, 140th Transportation Squadron, 554th Transportation Squadron, 719th Transportation Squadron: 1961 - ????
Co. F, 42nd Maintenance: 1986 - ????
Detachment 2, Co. A, 204th Engineers: ???? - ????
133rd Quartermaster Company: ???? - 2011