Ogdensburg: Lafayette Street Arsenal
| Street Address: | 100 Lafayette Street |
| City: | Ogdensburg |
| County: | St. Lawrence |
| Year Constructed: | 1858 |
| Architect: | Horatio Nelson White |
| Size: | |
| Square footage: | Unknown |
| Acreage: | Unknown |
| Status: | Purchased by city in 1873 and used for waterworks equipment storage / Damaged by fire in 1895 and abandoned / Restored and used by Water Authority around 1911 / Purchased by private company in 1960 |
4th Division headquarters: 1858 - ????
35th Separate Company: 1885 - 1893
40th Separate Company: 1894 - 1897