Explosion Destroys Home, Damages Another In Chino Hills, CA
INCIDENT DATE/TIME: 11/16/25 3:44 PM
LOCATION: 4241 Sierra Vista Dr.
AREA/CITY: Chino Hills
DETAILS:
- At or around 3:45, units from the Chino Valley Fire Department and the San Bernardino Sheriff’s Department were dispatched to a possible explosion on the 4200 block of Sierra Vista Drive in Chino Hills.
- Arriving units found one home completely destroyed and a neighboring home heavily damaged.
- Eight residents of one of the houses were transported to a local hospital with injuries ranging from mild, moderate to severe per the Battalion Chief on scene.
- Southern California Gas is at the location working to disconnect gas to the residence, and are expecting to to work through the night to complete the task.
- Ten other homes have been evacuated as a precaution until further notice.
- Flames can still be seen hours after the explosion occurred.
- The cause of the explosion is under investigation,
HANDLING AGENCIES: Chino Valley Fire Department
SOT(s): Yes, Battalion Chief from CVFD
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