The Phillips County Courthouse, home of the Phillips Combined Court, located at 221 Interocean Ave. in Holyoke, Colorado was built in 1935 in Moderne style. It is significant for association with New Deal programs; the Public Works Administration built it, and it is the only surviving PWA project in the county.It was designed by Denver architect Eugene G. Groves (1882-1967).It was listed on the National Register of Historic Places in 2007.
