Bellvale is a settlement in San Mateo County, California, located at . The small community is on (La Honda Road) between and . Bellvale is 240 feet above sea level. Bellvale once had a post office, the community is now only sparsely settled with homes and farms. The Bellvale post office, located 2.25 miles west of La Honda, opened in 1897 and was discontinued in 1922.