Colorado National Guard Armory

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Colorado National Guard Armory Building Golden CO Front.jpg
LocationGolden, Colorado
Coordinates39°45′14″N 105°13′16″W / 39.75394°N 105.22121°W / 39.75394; -105.22121Coordinates: 39°45′14″N 105°13′16″W / 39.75394°N 105.22121°W / 39.75394; -105.22121
ArchitectJames H. Gow
Architectural styleCastle
NRHP reference No.78000860
Added to NRHPDecember 18, 1978
Another view of the armory building

The Colorado National Guard Armory, known commonly by locals simply as the Armory, is a landmark in Golden, Colorado. Unusual in its construction, it was at one time the largest cobblestone building in the United States. It was built in 1913 by the Colorado National Guard as an armory, quarters, mess hall and auditorium for the Guard's Company A of Engineers. When it was completed in 1914, the Company was housed in this building's second and third floors while the first-story garden level was available for rental to the public. The Armory's original uses included: Golden's Post Office (northeast first-level storefront); photo shop (northwest first-level storefront); barracks, mess hall, weapons storage and drill hall (second level); auditorium (third level); and map room (tower). In subsequent years the building served in part or whole as a hotel, offices, industrial bank, and student housing. During the influenza epidemic of 1918 the building became an emergency hospital for ill patients used by the Red Cross, and in 1933 it became the local headquarters of the Civil Works Administration, the federal depression era agency which created several area improvements. Calvary Episcopal Church is the current property owner.

Today the Armory houses Cafe 13, a local coffeeshop, on the first floor. The second floor is Colorado School of Mines student housing which is administered by the church. The remaining first floor, third floor, and fourth floor tower are home to Connects Workspace, Golden's only coworking space.

Cobblestone Castle[edit]

Stone bearing the names of those involved in the construction of the Colorado National Guard Armory in Golden, Colorado.

The cornerstone for the building was laid 14 June 1913. Built in 1913 and 1914, partially during the height of the Colorado Coalfield War, a strategic building for “observation” was desired.[1] The Armory was designed by James H. Gow, originally in a design that was meant to be made of brick. Cost-cutting measures led the Guard to switch the building to a free and plentiful local resource, cobblestone, leading to the building’s distinctive and famous appearance. Some 3,300 wagonloads weighing 6,600 tons were hauled by Lawrence W. Billis from Clear Creek to this site, and as it rose some locals predicted it would collapse. Although its cornerstone, at the northeast base corner of the second level, appears out of plumb, this is an optical illusion created by the cobblestone construction.

Reputedly the building may have been inspired by Golden resident[2] Col. Joseph C. Taylor's fondness for the Royal Military Academy buildings at Sandhurst, England. It may also be inspired by the castle emblem of Company A of Engineers. Taylor's name–along with that of then-Governor Elias Ammons, Adjutant General John Chase, and G.M. Lee–appear engraved on a stone along the building's eastern face.

It was listed in Ripley's Believe It Or Not as the largest cobblestone building in the United States. Actor Gene Hackman is one of its previous owners, according to Jefferson County property records. The historic post office walk-in safe can be visited by the public in its lower level. Its lowest walls are several feet thick, owing to the massive load above them. The Armory was the first of many area buildings of its time constructed primarily in rustic cobblestone, fieldstone and other native stone, a unique local architectural movement that continued into the 1940s.

See also[edit]


  1. ^ "Colorado National Guard Armory". Golden History. Golden, CO. Retrieved 1 April 2020.
  2. ^ Proceedings of the Eleventh National Convention of the American Legion. Louisville, KY: American Legion. 1929.

Golden Landmarks Association