The Fetz-Keller Ranch Headquarters, in Montrose County, Colorado, United States, was listed on the National Register of Historic Places in 2019.

It was at its peak probably in the 1910s and 1920s.

It includes six contributing buildings and six contributing structures.

The main house, built around 1888, is a two-story 30 by 48 feet (9.1 m × 14.6 m) cross-gable wood-framed building, facing but well set back from Highway 90.

It was designated a Montrose County Historical Landmark on October 24, 2018.