Two people were killed and two others injured in an overnight crash on Deer Valley Road in unincorporated Brentwood.
The crash occurred just before midnight near Deer Valley Road and Harris Ranch Road, where emergency crews responded to a two-vehicle collision.
According to preliminary information from the California Highway Patrol, one of the vehicles may have been reversing in the roadway prior to the collision, which resulted in a vehicle leaving the roadway. The circumstances leading up to the crash remain under investigation.
Contra Costa County Fire Protection District Battalion Chief Brandon Burruss said crews responded to the rural Brentwood area and located four patients, including juveniles.
Two people were pronounced deceased at the scene. Two additional patients sustained injuries described as non-life-threatening.
The California Highway Patrol is investigating the crash and has not yet released additional information regarding the victims, vehicles involved or circumstances surrounding the collision.
Additional information will be provided as it becomes available.
Bay News video contributed to this report.
UPDATE: Antioch Police Department Investigates Fatal Two-Vehicle Collision on Deer Valley Road
ANTIOCH, CA – The Antioch Police Department is deeply saddened to report a fatal traffic collision that occurred early Sunday morning, claiming two lives and leaving others injured.
On September 13, 2026, at 12:11 AM, APD Dispatch received a report of a major vehicle collision in the area of Deer Valley Road and Balfour Road. Officers arrived on scene at 12:21 AM and located two vehicles involved: a white BMW and a silver Infiniti.
Tragically, two occupants inside the Infiniti died at the scene. A third individual from the Infiniti sustained injuries and was promptly transported to a local hospital for medical treatment. The driver of the BMW also sustained injuries as a result of the collision.
The circumstances surrounding the crash remain under active investigation by the Antioch Police Department Traffic Unit. Out of respect for the families and loved ones involved, law enforcement is working to confirm the identity of one victim and complete next-of-kin notifications before releasing additional information.
As investigators work to piece together the events leading up to the collision, the Antioch Police Department asks anyone who may have witnessed the incident, or who has surveillance or dashcam footage from the area around the time of the crash, to please come forward. If you have any information, please contact Sgt. Green of the Traffic Unit at 925-779-6864. Anonymous tips may also be submitted directly to the department.
CHP Feed
- Sep 12 2026 11:50PM: [1] SIL BMW SEDAN (4 DOOR CAR) VERSUS INFI SEDAN (4 DOOR CAR)
- Sep 12 2026 11:50PM: [2] REPORTING PARTY – OR – RESPONSIBLE PARTY ADVISE INFI WAS REVERSING IN ROADWAY
- Sep 12 2026 11:50PM: [4] VEHICLES OFF IN EMBANKMENT ON LEFT HAND SHOULDER
- Sep 12 2026 11:52PM: [9] 1039 1141
- Sep 12 2026 11:57PM: [16] 1039 3A C# 24140572 CUPERTINO TOWING SIL BMW SEDAN (4 DOOR CAR) [Shared]
- Sep 12 2026 11:58PM: [17] 1039 1141 WITH LANE 14 [Shared]
- Sep 12 2026 11:59PM: [18] 19-405C CPYS ALL REQUEST – OR – REQUIRED 1185 WRECKER [Shared]
- Sep 13 2026 12:01AM: [19] 1039 Arrowhead Tow ANT 800.750.6539- WITH WRECKER [Shared]
- Sep 13 2026 12:09AM: [28] 29 RTNS FELONY VEHICLE 2017 BMW 340 4D SIL MIS/WANT INTERSECTION FOR 2800-1(A) VEHICLE CODE EVADING PEACE OFFICER AND 23103 VCRECKLESS DRIVING, SUBJECT TO SEIZURE COURT ORDER EXPEDITE (RESPOND QUICKLY) 11/08/26, IMPOUND FOR14602-7(A), CONTACT DISPATCH 510-881-1833 [Shared]
- Sep 13 2026 12:10AM: [30] C19-401C INQ WITH ANT POLICE DEPARTMENT OR SHERIFF’SOUTH DEPARTMENT IF THEY WERE RECENTLY IN PUR OF VEHICLE [Shared]
- Sep 13 2026 12:12AM: [31] 1039 ANT POLICE DEPARTMENT NEG ESTIMATED TIME OF ARRIVAL ALL UNITS 10-6 WITH INJURY [Shared]
- Sep 13 2026 12:16AM: [35] PER ANT POLICE DEPARTMENT- NEG IN PUR OF VEHICLE [Shared]
- Sep 13 2026 12:17AM: [36] C19-401C CORR 1020- DEER VLY ROAD JUST WEST OF BALFOUR [Shared]
- Sep 13 2026 12:18AM: [37] C19-401C BOTH LNS BLOCKED [Shared]
- Sep 13 2026 12:18AM: [38] 1039 CCSO HAS 2 DEPUTIES EN ROUTE CPYS CODE 2 (RESPOND QUICKLY) [Shared]
- Sep 13 2026 12:20AM: [40] 19-S7 MEDIA 97 [Shared]
- Sep 13 2026 12:21AM: [41] 1039 3A CPYS 1022 [Shared]
- Sep 13 2026 12:23AM: [43] 1039 ARROWHEAD CPYS 1022 BACK ON TOP IN CAD ‘ [Shared]
- Sep 13 2026 12:36AM: [52] 19-241C CPYS LANE 51
- Sep 13 2026 12:41AM: [58] 1039 CORONERS
- Sep 13 2026 12:47AM: [61] [Rotation Request Comment] 1039 Olivers Tow RCH 800.696.9609-EVIDENCE TOW [Shared]
- Sep 13 2026 12:50AM: [62] OLIVERS TOW CPYS 1185X2 [Shared]
- Sep 13 2026 1:42AM: [78] 1039 ANT POLICE DEPARTMENT CPYS LANE 77 [Shared]
