Explore real-time crime map and safety statistics for Diamond Bar, CA. Our interactive crime map shows reported incidents, crime trends,
and neighborhood safety ratings.
Emergency Incidents
Traffic crash with trapped person on 60 freeway
Traffic
N Diamond Bar Blvd, Diamond Bar, CA 91765
As discussed during the dispatch call, emergency crews respond to a possible traffic collision with a trapped patient on Interstate 60 westbound near Diamond Bar Boulevard.
High-speed reckless driving on northbound SR-57
Traffic
CA-57 & CA-60, Diamond Bar, CA 91765
As discussed during the dispatch call, radio traffic describes a possible high speed traffic incident involving a white Ford Mustang and a white sedan traveling northbound on Route 57 near Route 60. Units moved to the right shoulder, one unit reported speeds over 100 mph to catch up, and the vehicles were later reported near the left shoulder or lane with an on-ramp possibly blocked.
Person suffered a stroke at Dry Creek Road
Medical Emergency
Dry Creek Rd, Diamond Bar, CA 91765
As discussed during the dispatch call, emergency crews were dispatched for a possible stroke at a location on Dry Creek Road in Diamond Bar, California.
Injury ALS call near Decorah Drive
Medical Emergency
Decorah Rd, Diamond Bar, CA 91765
As discussed during the dispatch call, emergency crews were dispatched for a possible injury-related medical call near Decorah Drive in Diamond Bar, California.
Person having difficulty breathing on Decorah Road
Medical Emergency
Decorah Rd, Diamond Bar, CA 91765
As discussed during the dispatch call, emergency crews were dispatched for a possible medical emergency involving difficulty breathing and a seizure near Decorah Street in Diamond Bar.
Person reporting chest pain near Diamond Bar
Medical Emergency
Canyon Vista Ct, Diamond Bar, CA 91765
As discussed during the dispatch call, emergency crews were dispatched for a possible chest pain medical emergency near Canyon Vista Court in Diamond Bar.
Medical rescue on Gentle Springs Lane in Diamond Bar
Medical Emergency
S Diamond Bar Blvd & Gentle Springs Ln, Diamond Bar, CA 91765
As discussed during the dispatch call, emergency crews respond to a possible medical emergency on Gentle Springs Lane near Diamond Bar Boulevard in Diamond Bar.
Traffic collision with injuries in Diamond Bar
Traffic
S Diamond Bar Blvd & Cherrydale Dr, Diamond Bar, CA 91765
As discussed during the dispatch call, radio traffic reports a possible traffic collision with advanced life support response and a sheriff on scene near Diamond Bar Boulevard and Cherrydale Drive in Diamond Bar.
Traffic collision with injuries in Diamond Bar
Traffic
S Diamond Bar Blvd & Cherrydale Dr, Diamond Bar, CA 91765
As discussed during the dispatch call, dispatch reports a possible traffic collision with advanced life support response and a sheriff on scene near Diamond Bar Boulevard and Cherrydale Drive.
Stalled Mercedes blocks Pathfinder off-ramp
Traffic
Pathfinder Rd, Diamond Bar, CA 91765
As discussed during the dispatch call, radio traffic reports an older Mercedes stalled at the top of the Pathfinder off-ramp on southbound SR-57, with a dark gray Toyota Corolla possibly involved nearby.
Debris reported in slow lane near Sunset Crossing
Traffic
Sunset Crossing Rd, Diamond Bar, CA 91765
As discussed during the dispatch call, dispatch reports a possible tree or hay in the slow lane near Temple and Sunset Crossing, east of Irwindale.
Injury crash at Bimbar Boulevard and Mountain Laurel Way
Traffic
Mountain Laurel Way, Diamond Bar, CA 91765
As discussed during the dispatch call, emergency crews responded to a possible traffic collision with advanced life support needs near Bimbar Boulevard and Mountain Laurel Way in Diamond Bar.
Slow-moving vehicle stop on southbound 57 freeway
Traffic
Pathfinder Rd, Diamond Bar, CA
As discussed during the dispatch call, officers followed a slow-moving vehicle from the 60 freeway toward southbound Highway 57 and requested additional units for a brake check. The vehicle was eventually stopped near the Pathfinder off-ramp from southbound Highway 57.
Driver and passenger flee traffic stop on foot
Traffic
Seagreen Dr, Diamond Bar, CA 91765
As discussed during the dispatch call, officers conducted a traffic stop that turned into a foot pursuit in a residential area near Seagreen Drive and Rancho Novato Drive. A driver and passenger fled on foot, crossed several yards and fences, and were tracked through nearby streets before officers reported the scene clear and the vehicle left behind.
Traffic stop for car with expired registration
Traffic
CA-57 & CA-60, Diamond Bar, CA 91765
As discussed during the dispatch call, officers conducted a traffic stop near State Route 57 and State Route 60 involving a 2018 Honda sedan. The vehicle’s plate and registration were checked, and the return indicated the registration was expired with fees pending.
Person with serious illness at gas station corner
Medical Emergency
N Diamond Bar Blvd & Sunset Crossing Rd, Diamond Bar, CA 91765
As discussed during the dispatch call, emergency crews were dispatched for a possible medical emergency involving a sick person near a gas station on East Sunset Crossing Road by North Diamond Bar Boulevard.
Minor traffic collision involving white Audi SUV
Traffic
Grand Ave, Diamond Bar, CA 91765
As discussed during the dispatch call, officers responded to a possible traffic collision involving a white Audi SUV near Golden Springs Drive and Grand Avenue in a restaurant parking lot. The driver and vehicle were pulled over, and the parties reportedly did not realize a collision had occurred until after leaving the freeway.
Disabled sedan blocks lane on northbound 57
Traffic
CA-57, Diamond Bar, CA
As discussed during the dispatch call, radio traffic reports a possible traffic collision on northbound Highway 57 near Damien Avenue or the county line, where a sedan came off a tow truck and blocked the middle lane. Highway patrol was requested to help manage traffic.
Reckless driver swerving at cars on CA-57 and SR-91
Traffic
CA-57, Diamond Bar, CA
As discussed during the dispatch call, dispatch received a report of a silver Lexus driving recklessly on northbound SR-57 near Diamond Bar, weaving between lanes and possibly trying to swerve into other vehicles. The vehicle was later last seen eastbound on SR-91 near Gypsum.
Assault involving vehicle on South Diamond Bar Blvd
Assault Report
S Diamond Bar Blvd, Diamond Bar, CA 91765
As discussed during the dispatch call, officers responded to a reported disturbance on South Diamond Bar Boulevard in Diamond Bar that was upgraded to a code three response for a possible assault involving a white Honda Civic. Multiple units arrived on scene.