Orange County, colloquially known as OC, is a county located in the Los Angeles metropolitan area in Southern California. As of the 2020 census, the population was 3,186,989, making it the third-most populous county in California, the sixth most populous in the U.S., and more populous than 27 U.S. states and Washington, D.C. Although largely suburban, it is the second most densely populated county in the state, behind San Francisco County. The county's three most populous cities are Anaheim, Santa Ana, and Irvine, each of which has a population exceeding 300,000. Santa Ana is also the county seat. Six cities in Orange County are on the Pacific coast: Seal Beach, Huntington Beach, Newport Beach, Laguna Beach, Dana Point, and San Clemente.
Santa Ana is the second most populous city and the county seat of Orange County, California. Located in the Greater Los Angeles region of Southern California, the city's population was 310,227 at the 2020 census, making Santa Ana the 13th-most populous city in California and the 4th densest large city in the United States. Santa Ana is a major regional economic and cultural hub for the Orange Coast.
Orange is a town and the county seat of Orange County, Virginia. The population was 4,721 at the 2010 census, representing a 14.5% increase since the 2000 census. Orange is 28 miles (45 km) northeast of Charlottesville, 88 miles (142 km) southwest of Washington, D.C., and 4 miles (6 km) east of James Madison's plantation of Montpelier.
The Ventura County Courthouse, known since 1974 as Ventura City Hall, is a historic building in Ventura, California. It is located on a hill at the top of California Street, overlooking the city's downtown district with views of the Santa Barbara Channel and Channel Islands. It was the first building in the City of Ventura to be listed on the National Register of Historic Places and has also received historic designations at the state, county and city levels.
Brentsville is an unincorporated community village in Prince William County, Virginia.
The Superior Court of California for and in the County of Santa Clara is the state trial court in and for Santa Clara County, California.
The Santa Barbara County Courthouse is a Spanish Colonial Revival style building designed by William Mooser III and completed in 1929. Architect Charles Willard Moore called it the "grandest Spanish Colonial Revival structure ever built," and the prime example of Santa Barbara's adoption of Spanish Colonial as its civic style.
The Helme–Worthy Store and Residence is the former M.E. Helme House Furnishing Company and Helme–Worthy residence, a home and attached storefront in Huntington Beach, California. It was listed as a historic structure on the National Register of Historic Places on March 31, 1987.
Downtown Santa Ana (DTSA), also called Downtown Orange County, is the historic city center of Santa Ana and the county seat of Orange County, California. It is the institutional center for the city of Santa Ana as well as Orange County, a retail and business hub, and has in recent years developed rapidly as a regional cultural, entertainment and culinary center for Orange County.
Rancho Santiago de Santa Ana was a 63,414-acre (256.63 km2) Spanish land concession in present-day Orange County, California, given by Spanish Alta California Governor José Joaquín de Arrillaga in 1810 to Jose Antonio Yorba and his nephew Pablo Peralta. The grant extended eastward from the Santa Ana River to the Santa Ana Mountains, with a length of more than 22 miles (35 km).
The Santa Ana Civic Center is a district of Santa Ana, California that is home to several city, county, state, and federal government buildings. The combination of historic and modernist architecture in the area reflects its longstanding history as Orange County's hub for political, judicial, and governmental proceedings.
This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Santa Clara County, California, United States. Latitude and longitude coordinates are provided for many National Register properties and districts; these locations may be seen together in an online map.
Howe-Waffle House and Medical Museum is an 1889 Queen Anne style home in Santa Ana, California. It was the home of Dr. Willella Howe-Waffle, one of the first female physicians in Orange County, California, until her death in 1924.
William Henry Spurgeon, also known as Uncle Billy, is credited with founding the city of Santa Ana, California. Spurgeon was also the first mayor of the city.
The Superior Court of California, County of Ventura County, is the branch of the California superior court with jurisdiction over Ventura County.
The San Mateo County History Museum is located in downtown Redwood City, California. Housed inside the former San Mateo County Courthouse built in 1910, the museum showcases the rich history of San Mateo County and the surrounding area. Operations and funding for the museum are by the San Mateo County Historical Association (SMCHA). The current location of this museum opened on February 6, 1999, however from 1963 until 1998 the museum was located at the College of San Mateo. The building is a product of the City Beautiful Movement (1893-1920) and has a stained-glass dome thought to be the largest of its kind on the West Coast.
The place of McFadden Wharf was designated a California Historic Landmark (No.794) on July 3, 1964.
Old Town Irvine was designated a California Historic Landmark (No.1004) on November 11, 1991. Old Town Irvine is in the city of Irvine, California in Orange County A Historic marker is at 14980 Sand Canyon Avenue, Irvine. The marker is to remember the founding the City of Town Irvine in 1887. The town of Irvine started as a train stop for the Santa Fe Railroad in 1889, where barley warehouse was built. At the time of founding the town was called Myford, California. Myford was the youngest son of James H. Irvine, who the town would be renamed after. James Irvine called the new town Myford, as at the time there was a City of Irvine in Calaveras County in Northern California. Myford was renamed Irvine in 1914, as the Northern California town changed its name to Carson Hill. The 125,000-acre Irvine Ranch was the largest employer in the town for years, a very busy place during harvest time. The town had a school, general store, blacksmith shop, diner, and a hotel for seasonal workers, all around Central Avenue and the train station. The Ranch lost its place as the center of town in the 1960s, with the housing boom and a new town center was built up. Irvine incorporated as a city in 1971. The old portions of Irvine, renamed East Irvine, had become run down. Much of the old Ranch in East Irvine was abandoned or taken down. Central Avenue was renamed Sand Canyon Ave, which became a main highway. The 1980 plan to make Sand Canyon Ave wider threaten some of the Historic Landmarks in Irvine. A Historic Preservation Committee was formed and the town worked to save Old Town Irvine. The City of Irvine working with the Sand Canyon Historical Partners and the Irvine Historical Society, they came up with a plan to reuse some of the old buildings.
The Lydia D. Killefer School in Orange, California, was constructed in 1931 and listed in 2015 on the National Register of Historic Places administered by the National Park Service. The National Park Service notes the school's significance under Criterion A "as an example of institutional development associated with the early twentieth century growth of the Cypress Street Barrio in Orange". Killefer School also is noted by the National Park Service as significant under Criterion C (Architecture) as a rare extant "example of a Spanish Colonial Revival schoolhouse in Southern California" which survived the 1933 Long Beach earthquake.
The Superior Court of California, County of Orange, also known as the Orange County Superior Court or Orange Superior Court, is the branch of the California superior court with jurisdiction over Orange County.
