Diablo Valley College (DVC) is a two-year community college in Pleasant Hill in Contra Costa County, California, USA. DVC is one of three publicly supported two-year community colleges in the Contra Costa Community College District (along with Contra Costa College and Los Medanos College), and was opened in 1949. Current enrollment is more than 22,000 students, and DVC has 300 full-time and 370 part-time instructors. DVC has satellite centers in San Ramon and Walnut Creek and also offers classes in other facilities in Concord, Martinez, Danville and San Ramon.