Within the City of Pasadena, the Design and Historic Preservation Section reviews plans for construction and building alterations affecting historic properties, conducts historic building surveys, carries out environmental reviews in compliance with state and federal laws regarding the preservation of historic resources, designates properties as landmarks and landmark districts, and directs…

The Downey Historical Society is located at the Downey History Center in Apollo Park. For more than thirty years, the society's all-volunteer staff has been gathering and preserving records and artifacts from and about the southeastern part of Los Angeles County. The society's collection includes original photographs from 1870 to the present (copy negatives, duplicate prints, or 35-mm slides are…

The collection of the Duarte Historical Society and Friends of the Library focuses on the history of the City of Duarte and adjacent Bradbury. Its archive includes photographs, records, and other artifacts related to the settlers and families who developed Duarte, the local schools, and the local citrus industry..

The Marina del Rey Historical Society (MdRHS) was founded to collect and preserve historical documents, artifacts, publications, photographs, data, and information relating to the development of Marina del Rey as exhibits and in retrievable electronic databases in order to keep the past alive for community pride and to create a unique resource of cultural and educational materials of historic…

The Mojave Desert Archives preserves the history of transcontinental travel to the Los Angeles region through the Mojave Desert of eastern California. Route 66, National Old Trails Road, the Mojave Wagon Road, the Santa Fe Railway (now BNSF), Union Pacific Railroad, and Interstate highways were and are major transit routes through the desert terminating in the Los Angeles basin.

Mount Saint Mary's University was founded by the Sisters of St. Joseph of Carondelet in 1925 as the first Catholic women's college west of the Mississippi. It comprises two historic sites, the Chalon Campus high above Brentwood (1930), and the Doheny Campus, which occupies the former estate of Edward and Estelle Doheny, including the Doheny Mansion at 8 Chester Place (1899).