From the record
“The Adams County Courthouse in Brighton, Colorado, located at 22 S 4th Ave., was built in 1906, and housed the judicial functions of Adams County until the 1970s when the legislation moved out and the building became the Brighton City Hall. It was listed on the National Register of Historic Places in 2006.”
Wikipedia article Adams County Courthouse (Colorado), CC BY-SA 4.0.
One of 18 National Register listings published here for Adams County · listed in 2006 · category: Building · built in 1906, Neoclassical architecture.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service

