Concord Pavilion

The Concord Jazz Festival is an annual event that was established in 1969 in Concord, California. The festival was launched by Carl Jefferson, a car dealer and jazz enthusiast, who managed to get a group of friends to support the concept. The city agreed to pay for half the cost. The first festival was held on 26 January 1969 in an 8-acre park called the Concord Boulevard Neighborhood Park (later renamed Dave Brubeck Park), adjacent to Concord High School. It attracted 17,000 attendees. Performers in subsequent years included Oscar Peterson, Pearl Bailey, Peter Nero, George Shearing, Ella Fitzgerald, Gerry Mulligan, and Dave Brubeck. In May 1975 the Concord Pavilion was opened as a home for the festival. It is an amphitheater in the Concord hills, featuring a roofed area with no walls that covers 3,500 seats, plus room for 4,500 more on the surrounding lawns. The pavilion is used for many other purposes.Carl Jefferson founded Concord Records in 1973, with the Concord Jazz label. In 2004 the Concord Music Group was formed by the merger of Concord Records with Fantasy Records. The labels have released many classic albums.

Clayton (formerly Clayton's and Claytonville) is a city in Contra Costa County, California, United States. The population was 11,585 as of the 2020 census.

Clayton Valley Charter High School (CVCHS) is a comprehensive charter high school located in Concord, California, United States, just under two miles from Clayton. Most of the school's students live in Clayton and the nearby Concord neighborhoods. As a charter school, CVCHS has both a traditional principal as site leader and an executive director who heads the school district central office as superintendent. It also has a nine-member governing board.CVCHS houses ClaytonArts Academy. It is the location of the local radio station 90.5 "The Edge" KVHS, which broadcasts mostly hard rock and heavy metal music. Its newspaper is The Talon, which is part of the High School National Ad Network. The current executive director is Dave Fehte.

Contra Costa County ( ; Contra Costa, Spanish for "Opposite Coast") is a county located in the U.S. state of California, in the East Bay of the San Francisco Bay Area. As of the 2020 United States Census, the population was 1,165,927. The county seat is Martinez. It occupies the northern portion of the East Bay region of the San Francisco Bay Area and is primarily suburban. The county's name refers to its position on the other side of the bay from San Francisco. Contra Costa County is included in the San Francisco–Oakland–Berkeley, CA Metropolitan Statistical Area.

Cowell is a former unincorporated community now annexed to Concord in Contra Costa County, California. It lies at an elevation of 259 feet (79 m). Cowell was named for Joshua Cowell, local landowner. A post office operated at Cowell from 1922 to 1969. Cowell was a company town for Cowell Portland Cement. Other than a former firehouse, nothing remains of the former town, which was replaced by the Walnut Country subdivision, more commonly known as "The Crossings," during the 1970s. A looming, dormant 244-foot high smokestack remained as the most prominent reminder of Cowell until it was demolished in 2009.

Concord High School is a 9-12 public high school in Concord, California, United States,. It is one of the six high schools in the Mount Diablo Unified School District. Concord High School was constructed in 1966 and currently provides 144,373 square feet (13,412.7 m2) in permanent structure, including about 70 classrooms, a library, and other structures. As of 2023, the current principal is Julene MacKinnon.

Concord Naval Weapons Station was a military base established in 1942 north of the city of Concord, California at the shore of the Sacramento River where it widens into Suisun Bay. The station functioned as a World War II armament storage depot, supplying ships at Port Chicago. During World War II it also had a Naval Outlying Field at the southern edge of the base. It ceased being an operating airfield after World War II. During the Korean War, the Vietnam War and the Gulf War, Concord NWS processed and shipped thousands of tons of materiel out across the Pacific Ocean.The station consisted of two areas: the Inland Area (5,028 acres (2,035 ha)), which is within the Concord city limits, and the Tidal Area (7,630 acres (3,088 ha)). Because of changes in military operations, parts of the Inland Area began to be mothballed, and by 1999 the station had only a minimal contingent of military personnel and contained mainly empty ammunition storage bunkers, empty warehouses, and disused support structures. In 2007, the U.S. federal government announced that the Inland Area of the Naval station would be closed. The Tidal area of the base was not scheduled for closure and reorganized as Military Ocean Terminal Concord (MOTCO). The 834th Transportation Battalion is the port manager at MOTCO and operates the three piers and an Army-owned rail system that connects with major public railway lines.The 5-member City Council of Concord, sitting as the federally designated Local Reuse Authority, is in the process of formulating a Reuse Plan for the Inland Area that includes residential and commercial development while reserving approximately two-thirds for open-space and parks projects. City staff are assigned to manage this effort. The Reuse Plan is subject to approval by the Navy.The East Bay Regional Park District will be receiving 2,540 acres (1028 hectares) of the Inland Area that will be developed for public use as Concord Hills Regional Park. Formal conveyance of the property was expected in early 2016 whereupon the property will be prepared for public access and recreation. Since then 2,216 acres were transferred from Navy property to park. In addition "2,300 acres will be transferred to the city of Concord, whose Concord Community Reuse Project has been overseeing planning for housing, businesses, a college campus and other development.".

The Markham Regional Arboretum (16 acres (65,000 m2)) is a natural arboretum located at 1202 La Vista Avenue, Concord, California, United States. The arboretum was founded in 1981 (1981) and is a work in progress, with most of the site still in a natural state.

Pittsburg/Bay Point station is a Bay Area Rapid Transit station in Pittsburg, California, United States, adjacent to the community of Bay Point. It serves northern and eastern Contra Costa County, as well as the Sacramento–San Joaquin River Delta. Passengers transfer between the light and heavy rail portions of the Yellow Line here, at a dedicated transfer platform east of the main station.

Nortonville is an unincorporated ghost town in Contra Costa County, California. It was located on Kirker Creek 5.5 miles (9 km) north-northeast of Mount Diablo, at an elevation of 801 feet (244 m).

Rancho Los Medanos (from the Spanish: Rancho Los Médanos meaning Sand Dunes Ranch) was a 8,859-acre (35.85 km2) Mexican land grant in present-day Contra Costa County, California given in 1839 by Governor Juan Alvarado to Jose Antonio Mesa and Jose Miguel Garcia. The land was located at the junction of the San Joaquin River and the Sacramento River, extending eastward along the south shore of Suisun Bay to Antioch. The name "los medanos" is derived from the sand hills located along the San Joaquin River on its northern boundary. The rancho lands included present-day Antioch and Pittsburg.

Bay Point, formerly West Pittsburg and originally Bella Vista is a census-designated place located in the East Bay region of the San Francisco Bay Area in Contra Costa County, California. Bay Point is just west of Pittsburg, California, and northeast of Concord, California, on the southern shore of Suisun Bay. The population of Bay Point was 21,349 as of 2010. The Pittsburg/Bay Point Station of the Bay Area Rapid Transit (BART) rail system is located adjacent to Bay Point in Pittsburg. The community is traversed by a freeway, State Route 4, the California Delta Highway. Being unincorporated, Bay Point does not have its own police department. The community is policed by the California Highway Patrol and the Contra Costa County Sheriff's Office. The ZIP code is 94565, and the area code is 925.