La Habra is a city in the northwestern corner of Orange County, California, United States. Its related city, La Habra Heights, is located to the north of La Habra, and is in Los Angeles County. It is bordered by La Habra Heights on the north, Brea on the east, Fullerton on the south and southeast, La Mirada on the west and southwest and East Whittier on the west, Whittier on the northwest and Unincorporated Los Angeles County on the northeast.
The name referred to the “Pass Through the Hills,” the natural pass through the hills to the north first discovered and used by Spanish explorers of the Portola expedition on July 30, 1769. La Habra was founded in 1896. The city was incorporated under general law on January 20, 1925, with a population of 3,000. For more than 70 years, La Habra was known as the city just south of La Habra Heights where the Hass avocado, of the Hass Avocado Mother Tree, was planted by Rudolph Hass in the 1920s. The fruit from this tree has since become one of the most popular avocado cultivars worldwide.