The Contra Costa County coroner identified the victim of Saturday's crash as a 16-year-old student at Mt. Diablo High School.
The memorial procession for Vacaville police Officer Matthew Bowen, formerly of Concord Police Department, is Tuesday. Here's what to know.
Christopher "Bud" Cannedy, 35, of Antioch, died Saturday, Feb. 10, when he was struck by a wrong-way driver on state Highway 4.
Bill Siu, a father of four, died in an accidental drowning in Lake Tahoe.
Officer Jeff Kessler, who battled cancer, was known for his "big smile, quick wit and willingness to assist anyone in need."
Originally from Alameda, Chuck was a Central Contra Costa business owner and Little League coach and founded Mt. Diablo High's Booster Club.
The Contra Costa County coroner's office identified a man and a woman from Concord as the victims in Monday's fatal crash.
The fatal collision happened on Concord Boulevard near Denkinger Road.
He was a 25-year-old Concord resident, authorities said.
The city flag will remain at half-staff for one week in memory of Dan Helix, whose "example will continue to guide the City of Concord."
Helix, a retired U.S. Army major general, "dedicated his life to serving his country and his community," U.S. Rep. Mark DeSaulnier said.
Erika Ashley Lloyd had been missing since last summer when she visited Joshua Tree National Park.
The married mom of two was driving to work when a rock came through her car's windshield near the interchange of Highway 242 and Highway 4.
The man's small dog survived the crash and was released to animal services, the CHP said.
The 34-year-old man who was thrown from his motorcycle was taken to a hospital where he died.
"And that went far beyond Concord; she had friends all over the world."
The 26-year-old Antioch man died at a hospital following a solo-car crash on eastbound state Highway 4.
The fatal crash happened Friday on eastbound state Highway 4 just east of Willow Pass Road in Concord.
The Concord resident was on the Board of Directors of the Northern California Soaring Association​, which operates out of the Byron Airport.
A man who died in a Clayton Road collision between a motorcycle and a car was identified as an 18-year-old Concord resident.
Clayton police are investigating the fatal incident as a possible DUI.
A 27-year-old Brentwood man died in the three-vehicle crash.
The fatal crash happened on Marsh Creek Road just east of Morgan Territory Road.
The 36-year-old man died at the scene of the crash, police said.
The 35-year-old driver died at the scene of the crash, California Highway Patrol officials said.
The 45-year-old man suffered multiple gunshot wounds; he was treated at the scene then rushed to a hospital but did not survive.
A memorial service for Massa will be held Saturday, Nov. 17 in Concord.
"Father Vellankal's joyous spirit and faith will be deeply missed," said Bishop Michael C. Barber, SJ, of the Diocese of Oakland.
Police say the driver of a pickup truck left the scene, and they're still trying to locate the suspect and vehicle.
Contra Costa County sheriff's officials identified a couple who died in an apparent murder-suicide as an Antioch man and a Santa Rosa woman.
The Antioch resident died at the scene of the crash, officials said.
A blue BMW M3 crashed into the center divider and went down an embankment Sunday night, killing the man, according to the CHP.
Taleah Montanez, 18, died in a solo-vehicle crash early Sunday morning on Kirker Pass Road, authorities said.
The Contra Costa County Coroner's Officer identified the driver who died in a crash Sunday in Concord as a young woman.
The fatal wreck was reported at about 2 a.m. on eastbound Highway 4, the CHP said.
The deadly collision was reported in the area of Stagecoach Drive and Amador Valley Boulevard on Feb. 9.
Two drivers were killed in the crash on Highway 101 in San Francisco early Sunday morning.
Police said one young man was shot dead and another hospitalized.
The CHP reports that the vehicle rolled, and the driver was ejected. The crash was found around 4 a.m. Sunday.
She died seven days after the collision on Highway 4, the Contra Costa County coroner's office says.