San Mateo is a city located in the San Francisco Bay Area of California. The area was first inhabited by the Ohlone people, who were later displaced by Spanish explorers in the late 18th century. The city was founded in 1863 when a railway stop was built in the area, which soon became a hub for agriculture and industry. The city's population grew rapidly during the early 20th century, as the local economy diversified and more people moved to the area. During World War II, San Mateo was home to a major shipbuilding industry that produced over 80 cargo ships for the war effort.

     In the post-war years, San Mateo continued to grow and prosper. It became a center for technology and innovation, as companies such as Hewlett-Packard and Oracle established their headquarters in the city. The city has also been the site of several significant events, including the signing of the United Nations Charter in 1945 and the founding of the California State University system in 1960. In the 1950s and 1960s, nearly 1000 Eichler Homes were constructed in San Mateo, with some of the largest neighborhoods being 19th Avenue Park and the San Mateo Highlands.

     Today, San Mateo is a vibrant and diverse community with a thriving economy and a rich cultural heritage. The city is known for its historic architecture, parks and recreation facilities, and excellent schools. It is home to a number of prominent businesses, including Sony Interactive Entertainment and GoPro, and is recognized as one of the top places to live and work in the Bay Area.