From the record
“The William Kauffman House is the only historic brick or masonry house in Rico, Colorado. Built in 1891 during the mining boom that drove Rico's population to 4,000, the house was the residence of the Kauffman family until 1915.”
Wikipedia article William Kauffman House, CC BY-SA 4.0.
One of 3 National Register listings published here for Dolores County · listed in 1982 · category: Building · built in 1891.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service

