Jamestown: Porter Avenue Armory
| Street Address: | 34 Porter Avenue |
| City: | Jamestown |
| County: | Chautauqua |
| Year Constructed: | 1932 |
| Architect: | Unknown |
| Size: | |
| Square footage: | 38,494 NSF |
| Acreage: | 3.3 Acres |
| Status: | Open |
Co. E, 174th Infantry Regiment: 1932 - ????
Co. C & D, 27th Reconnaissance: 1955 - 1959
Co. C, 121st Artillery: 1959 - 1963
Co. C, 121st Cavalry: 1963 - ????
Co. B, 127th Artillery: 1986 - ????
Troop B, 2nd Squadron 101st Cavalry: Current