The San Mateo Daily News, along with five other Daily News editions, was sold to Knight Ridder on February 15, 2005. After McClatchy's acquisition of Knight Ridder in 2006, all six Daily News editions, including the San Mateo Daily News were bundled with the San Jose Mercury News and sold to MediaNews Group of Denver, Colorado.
On February 15, 2005, Knight Ridder bought the San Mateo Daily News along with five other Daily News editions. Following McClatchy's acquisition of Knight Ridder in 2006, all six Daily News editions, including the San Mateo Daily News, were combined into the San Jose Mercury News and sold to MediaNews Group.