18th Separate Company Armory

{{Use mdy dates|date=March 2025}}

{{Infobox NRHP

| name = 18th Separate Company Armory

| nrhp_type =

| image = GlensFallsStateArmory.JPG

| caption = Glens Falls, State Armory, 1907 postcard

| location = 147 Warren St., Glens Falls, New York

| coordinates = {{coord|43|18|36|N|73|37|26|W|display=inline,title}}

| locmapin = New York#USA

| built = {{Start date|1895}}

| architect = Perry, Isaac

| architecture = Romanesque

| added = September 29, 1984

| area = {{convert|1|acre}}

| mpsub = {{NRHP url|id=64000551|title=Glens Falls MRA}}

| refnum = 84003269{{NRISref|2009a}}

}}

File:18th Separate Company Armory-2.jpg

18th Separate Company Armory is a historic National Guard armory building located at Glens Falls, Warren County, New York. It is a brick and stone castle-like structure built in 1895, designed to be reminiscent of medieval military structures in Europe. It was designed by State Architect Isaac G. Perry. It is a monumental rectangular brick and stone structure covered by hipped slate roofs. It has a large drill hall. The building features a crenelated tower and narrow recessed windows with stone lintels.{{cite web|url=http://www.oprhp.state.ny.us/hpimaging/hp_view.asp?GroupView=9962|title=National Register of Historic Places Registration: 18th Separate Company Armory|date=February 1981|accessdate=2010-09-18|author=Richard C. Youngken|publisher=New York State Office of Parks, Recreation and Historic Preservation|archive-date=2012-10-15|archive-url=https://web.archive.org/web/20121015125044/http://www.oprhp.state.ny.us/hpimaging/hp_view.asp?GroupView=9962|url-status=dead}}

It was added to the National Register of Historic Places in 1984.