Olinda is a neighborhood in Brea, California, located on Carbon Canyon Road east of the rest of the city. The original village was founded in the 1890s and grew when petroleum was discovered at the adjacent Brea-Olinda Oil Field. In February 1917, Olinda Village and the nearby town of Randolph were incorporated as the city of Brea. The site is now registered as California Historical Landmark #918 registered on January 1. 1978. Olinda Landfill, located in Carbon Canyon, was opened in 1960 and is scheduled to be closed in December 2021.