El Dorado Hills Community Services District | 761 followers on LinkedIn. The best place to work, live and play! | SERVICES: The CSD owns and manages over 170 acres of land including 134 acres of parks -- of which 15 are undeveloped -- and 82 acres of open space. The Promontory Community Park opened in March 2007 and includes extensive sports facilities. In addition, the CSD manages apx. 24 acres of street landscape, 44,000sf of community recreation facilities, and will soon manage over 2000 acres of private open space.