Colorado State Register of Historic Properties
The Colorado State Register of Historic Properties is a listing of the state’s significant cultural resources worthy of preservation for the future education and enjoyment of Colorado’s residents and visitors. Properties listed in the Colorado State Register include individual buildings, structures, objects, districts and historic and archaeological sites. The Colorado State Register program is administered by the Office of Archaeology and Historic Preservation within History Colorado. History Colorado maintains an official list of all properties included in the Colorado State Register. Properties listed in the National Register of Historic Places are automatically placed in the Colorado State Register. They may also be nominated separately to the Colorado State Register without inclusion in the National Register.
History Colorado provides an overview of Properties in Boulder County listed on the Colorado State Register of Historic Places
National Register of Historic Places
The National Register of Historic Places is the official list of the Nation's historic places worthy of preservation. Authorized by the National Historic Preservation Act of 1966, the National Park Service's National Register of Historic Places is part of a national program to coordinate and support public and private efforts to identify, evaluate, and protect America's historic and archaeological resources. The National Register is administered by the National Park Service, which is part of the U.S. Department of the Interior.
Properties in Boulder listed on the National Register include the Arnett-Fullen House (646 Pearl St.), Highland School (885 Arapahoe), the Carnegie Library (1125 Pine St.), the Boulderado Hotel (2115 13th St.) and Mt. St. Gertrude's Academy (970 Aurora Ave.).The Downtown Boulder Historic District (Pearl St.) was listed on the National Register in 1978.
The Colorado Chautauqua is also designated as a National Historic Landmark, one of only 25 in Colorado.