A census-designated place (CDP) is a concentration of population as determined by the United States Census Bureau for statistical purposes that is not an incorporated city or county. CDP’s generally resemble incorporated places in that most have an identifiable name.
Los Angeles Historic-Cultural Monuments
Los Angeles Historic-Cultural Monuments are sites in Los Angeles, California that have been designated by the Los Angeles Cultural Commission as worthy of preservation based on historic, architectural, and cultural criteria.
City of Los Angeles Historic Preservation Overlay Zones
City of Los Angeles Historic Preservation Overlay Zones are neighborhoods or districts designated by the Los Angeles Cultural Commission as worthy of preservation based on historic, architectural, and cultural criteria. Most of these districts contain many Victorian, Craftsman, Spanish, Colonial Revival, and Mission Revival style homes. These zones are located in Echo Park, Granada Hills, Mar Vista, Hollywood, Hancock Park, Miracle Mile, Sun Valley, San Pedro, West Adams, and other areas of Los Angeles.
Los Angeles Conservancy
The Los Angeles Conservancy, established in 1978, is the longest membership based historic preservation organization in the United States. The organization documents, rescues, and revitalizes historic buildings and neighborhoods in the City of Los Angeles. There are currently more than 700 designated historic sites. Memberships are available, volunteers are needed, and donations are greatly appreciated.
California Historical Landmarks
California Historical Landmarks (CHL) are buildings, sites, or places that have been determined by the State of California to have statewide historical significance. They may be located on government or privately owned property.
National Register of Historic Places
The National Register of Historic Places (NRHP) is the United States government’s official list of districts, sites, structures, buildings, and objects considered worthy of preservation. Only about 2,500 of the more than 85,000 places listed on the National Register of Historic Places have been designated as National Historic Landmarks.
National Historic Landmark
A National Historic Landmark (NHL) is a building, site, structure, or object officially recognized by the United States government for its outstanding historical significance. Of more than the 85,000 places listed on the National Register of Historic Places, only about 2,500 have been designated by the United States Secretary of the Interior as National Historic Landmarks. Approximately 50% of the National Historic Landmarks are privately owned.
National Historic Landmark District
A National Historic Landmark District (NHLD) is a district that has been officially recognized by the United States Secretary of the Interior for its outstanding historical significance. Historical properties located within a NHLD may be listed separately as National Historic Landmarks.
American Water Landmark
An American Water Landmark is a landmark that has a historic location and is associated with water. Examples would be the Colorado Water Aqueduct and the Hoover Dam.
National Military Parks
National Military Park, National Battlefield, National Battlefield Park, and National Battlefield Site are the four designations for the 25 sites preserved by the federal government because of their significance. All of these sites are listed on the National Register of Historic Places.
National Memorials of the United States
National Memorials of the United States are protected areas that memorialize a historic person or event. There are 35 National Memorials including Arlington House, Flight 93, Korean War Veterans Memorial, Lincoln Memorial, Martin Luther King, Jr. Memorial, Vietnam Veterans Memorial, Washington Monument, World War I Memorial, and the World War II Memorial.