what county is  coalinga
HISTORY. The Department of State Hospitals-Coalinga is Californiaâs newest state mental health hospital located at the edge of the Coastal Mountain Range on the western side of Fresno County. Coalinga is halfway between Los Angeles and San Francisco and sixty miles southwest of Fresno. DSH-Coalinga opened in 2005 and began treating forensically committed patients, mostly of which are sexually violent predators. It is a self-contained psychiatric hospital constructed with a security perimeter.