St. John's Block Commercial Exchange is a Richardsonian Romanesque building in Grand Forks, North Dakota

Grand Forks, North Dakota

Grand Forks is the third-largest city in the U.S. state of North Dakota and the county seat of Grand Forks County. According to the 2010 census, the city's population was 52,838, while that of the city and surrounding metropolitan area was 98,461...

. It is a five story brick and ashlar

Ashlar

Ashlar is prepared stone work of any type of stone. Masonry using such stones laid in parallel courses is known as ashlar masonry, whereas masonry using irregularly shaped stones is known as rubble masonry. Ashlar blocks are rectangular cuboid blocks that are masonry sculpted to have square edges...

 building, built during 1890-1891.
It is smaller than one acre. It was listed on the National Register of Historic Places

National Register of Historic Places

The National Register of Historic Places is the United States government's official list of districts, sites, buildings, structures, and objects deemed worthy of preservation...

(NRHP) in 1982.

It was included in a 1981 study of Downtown Grand Forks historical resources that led to a large number of NRHP listings.