San Quentin State Prison was opened in July 1852, it is the oldest prison in California. It has California's only death row for male ... Meathead Rob Reiner Throws in the Towel, Deletes His Social Media Following Trump’s VictoryProactive Veterans Submit a List of 18 Potential Nominees to Serve in Trump Administration San Quentin State Prison was opened in July 1852, it is the oldest prison in California. It has California's only death row for male inmates, the largest in the United States. It has a capacity of 3,302 inmates and population of 3,934 (127.6%).