About Los Medanos College Los Medanos College is one of three colleges in the Contra Costa Community College District, serving the East Contra Costa County community. Established in 1974, LMC has earned federal designations as a Minority-Serving and Hispanic-Serving institution. It offers award-winning transfer and career-technical programs, support services, and diverse academic opportunities in an inclusive learning environment. With exceptional educators, innovative curriculum, growing degree and certificate offerings, and state-of-the-art facilities, the college prepares students to succeed in their educational pursuits, in the workforce, and beyond.