The A.A. Salazar House, at 603 Main St. in San Luis, Colorado, United States, is a Queen Anne-style house built in 1906. It was listed on the National Register of Historic Places in 1998. It is a residence built of ornamental concrete blocks. It was built for Antonio A. and Genoveva Gallegos Salazar. The property was occupied as a bed and breakfast for some time. References National Register of Historic Places in Costilla County, Colorado Queen Anne architecture in Colorado Houses completed in 1906 1906 establishments in Colorado Ornamental block buildings