CA · County

Costa Mesa Car Accidents & Crashes

Costa Mesa County has recorded 2,986 traffic crashes since 2024, including 17 fatal incidents. In the last 24 hours, 0 new crashes were reported. Crash volume is highest on I-405 SOUTHBOUND and HARBOR BL.

Data is sourced from the California Crash Records System (CCRS), maintained by the California Highway Patrol and updated daily, and the CA 511 live incident feed, refreshed every 15 minutes. CCRS records include party details, injury severity, vehicle information, and precise geographic coordinates. Last updated May 19, 2026.

Breakdown by type: 2,986 accident.

2,986

Total Crashes

All time records

17

Fatalities

Fatal injury reports

0

Today

Reported since midnight

Today's Accidents Today's Fatalities

showing most recent 500 incidents with location data · click a marker to view details

Crash Records

Costa Mesa Incidents

2986 accident

Traffic collision, rear-end on SR-73 N/B

SR-73 N/B 2 days, 3 hours ago

Injury crash — 1 injured, rear-end on I-405 S/B FROM FAIRVIEW RD.

Moderate Accident

I-405 S/B FROM FAIRVIEW RD. 2 days, 10 hours ago

Traffic collision on I-405 NORTHBOUND

I-405 NORTHBOUND 4 days ago

Injury crash — 1 injured on SR-55 NORTHBOUND

Moderate Accident

SR-55 NORTHBOUND 6 days ago

Traffic collision, rear-end on SR-73 NORTHBOUND

SR-73 NORTHBOUND 1 week, 1 day ago

Traffic collision, rear-end on I-405 N/B

I-405 N/B 1 week, 1 day ago

Traffic collision on I-405 S/B TO SR-55 N/B

I-405 S/B TO SR-55 N/B 1 week, 2 days ago

Traffic collision, rear-end on I-405 NORTHBOUND

I-405 NORTHBOUND 1 week, 2 days ago

Injury crash — 1 injured, rear-end on I-405 N/B

Moderate Accident

I-405 N/B 1 week, 3 days ago

Injury crash — 1 injured, rear-end on SR-55 SOUTHBOUND

Moderate Accident

SR-55 SOUTHBOUND 1 week, 3 days ago

Injury crash — 4 injured, rear-end on SR-55 SOUTHBOUND

SR-55 SOUTHBOUND 1 week, 3 days ago

Traffic collision, rear-end on I-405 NORTHBOUND

I-405 NORTHBOUND 1 week, 4 days ago

Traffic collision, rear-end on SR-73 NORTHBOUND

SR-73 NORTHBOUND 1 week, 4 days ago

Injury crash — 1 injured, rear-end on I-405 NORTHBOUND

Moderate Accident

I-405 NORTHBOUND 1 week, 6 days ago

Traffic collision, rear-end on SR-55 NORTHBOUND

SR-55 NORTHBOUND 1 week, 6 days ago

Traffic collision, rear-end on SR-55 S/B TO BAKER STREET

SR-55 S/B TO BAKER STREET 1 week, 6 days ago

Injury crash — 1 injured, rear-end on SR-55 NORTHBOUND

Moderate Accident

SR-55 NORTHBOUND 2 weeks ago

Traffic collision, rear-end on SR-73 N/B

SR-73 N/B 2 weeks, 1 day ago

Traffic collision, rear-end on SR-55 NORTHBOUND

SR-55 NORTHBOUND 2 weeks, 2 days ago

Injury crash — 1 injured, rear-end on SR-55 NORTHBOUND

Moderate Accident

SR-55 NORTHBOUND 2 weeks, 3 days ago

Injury crash — 1 injured, rear-end on I-405 SOUTHBOUND

Moderate Accident

I-405 SOUTHBOUND 2 weeks, 5 days ago

Injury crash — 3 injured, broadside on I-405 SOUTHBOUND

I-405 SOUTHBOUND 2 weeks, 5 days ago

Injury crash — 2 injured, rear-end on SR-55 NORTHBOUND FROM PAULARINO AVENUE

Moderate Accident

SR-55 NORTHBOUND FROM PAULARINO AVENUE 2 weeks, 5 days ago

Traffic collision, rear-end on SR-55 N/B FROM PAULARINO AVE

SR-55 N/B FROM PAULARINO AVE 2 weeks, 5 days ago

Traffic collision, rear-end on SR-55 SOUTHBOUND TO I-405 NORTHBOUND

SR-55 SOUTHBOUND TO I-405 NORTHBOUND 3 weeks ago

Traffic collision on I-405 SOUTHBOUND (SAN DIEGO FREEWAY)

I-405 SOUTHBOUND (SAN DIEGO FREEWAY) 3 weeks ago

Traffic collision, rear-end on SR-55 SOUTHBOUND

SR-55 SOUTHBOUND 3 weeks, 1 day ago

Injury crash — 1 injured, rear-end on HARBOR BL

Moderate Accident

HARBOR BL 3 weeks, 1 day ago

Injury crash — 2 injured, rear-end on SR-55 SOUTHBOUND

Moderate Accident

SR-55 SOUTHBOUND 3 weeks, 2 days ago

Injury crash — 1 injured, rear-end on SR-55 NORTHBOUND

Moderate Accident

SR-55 NORTHBOUND 3 weeks, 2 days ago

Injury crash — 1 injured — bicycle involved on WILSON ST

Moderate Accident

WILSON ST 3 weeks, 2 days ago

Traffic collision on CINNAMON AVE.

CINNAMON AVE. 3 weeks, 2 days ago

Injury crash — 1 injured, broadside on GISLER AV

Moderate Accident

GISLER AV 3 weeks, 2 days ago

Traffic collision on I-405 NORTHBOUND

I-405 NORTHBOUND 3 weeks, 2 days ago

Traffic collision, rear-end on I405 NB TO HARBOR BLVD

I405 NB TO HARBOR BLVD 3 weeks, 3 days ago

Injury crash — 1 injured, head-on — bicycle involved on BEAR ST

Moderate Accident

BEAR ST 3 weeks, 3 days ago

Injury crash — 1 injured, rear-end on SR-55 SOUTHBOUND

Moderate Accident

SR-55 SOUTHBOUND 3 weeks, 3 days ago

Traffic collision — hit and run on HARBOR BL

HARBOR BL 3 weeks, 4 days ago

Traffic collision on I-405 N/B

I-405 N/B 3 weeks, 4 days ago

Traffic collision, rear-end on I-405 S/B

I-405 S/B 1 month ago

Traffic collision — hit and run on SR-55 NORTHBOUND

SR-55 NORTHBOUND 1 month ago

Traffic collision, rear-end on ANAHEIM AV

ANAHEIM AV 1 month ago

Traffic collision — hit and run on SR-73 NORTHBOUND TO I-405 NORTHBOUND

SR-73 NORTHBOUND TO I-405 NORTHBOUND 1 month ago

Injury crash — 1 injured, rear-end on I-405 NORTHBOUND

Moderate Accident

I-405 NORTHBOUND 1 month ago

Injury crash — 4 injured on SR-55 NORTHBOUND

SR-55 NORTHBOUND 1 month ago

Injury crash — 1 injured on PLACENTIA AV

Moderate Accident

PLACENTIA AV 1 month ago

Traffic collision on I-405 SOUTHBOUND

I-405 SOUTHBOUND 1 month ago

Injury crash — 3 injured — hit and run on I-405 SOUTHBOUND (SAN DIEGO FREEWAY)

I-405 SOUTHBOUND (SAN DIEGO FREEWAY) 1 month ago

Injury crash — 1 injured on I-405 NORTHBOUND (SAN DEIGO FREEWAY)

Moderate Accident

I-405 NORTHBOUND (SAN DEIGO FREEWAY) 1 month ago

Injury crash — 1 injured, rear-end on SR-55 NORTHBOUND

Moderate Accident

SR-55 NORTHBOUND 1 month ago