CA · County

Costa Mesa Car Accidents & Crashes

Costa Mesa County has recorded 3,256 traffic crashes since 2024, including 18 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 July 23, 2026.

Breakdown by type: 138 accident.

138

Total Crashes

Filtered results

18

Fatalities

Fatal injury reports

0

Today

Reported since midnight

Today's Accidents Today's Fatalities

showing most recent 124 incidents with location data · click a marker to view details

Crash Records

Costa Mesa Incidents 138 results

138 accident

Injury crash — 4 injured, broadside on SR-73 NORTHBOUND

SR-73 NORTHBOUND 1 month, 1 week ago

Injury crash — 3 injured, rear-end on SR-55 NORTHBOUND

SR-55 NORTHBOUND 1 month, 1 week ago

Injury crash — 7 injured on I-405 SOUTHBOUND

I-405 SOUTHBOUND 1 month, 1 week ago

Injury crash — 3 injured, broadside on BRISTOL ST

BRISTOL ST 2 months, 1 week ago

Injury crash — 3 injured, broadside — hit and run on VICTORIA ST

VICTORIA ST 2 months, 1 week ago

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

SR-55 SOUTHBOUND 2 months, 2 weeks ago

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

I-405 SOUTHBOUND 2 months, 3 weeks ago

Injury crash — 4 injured on SR-55 NORTHBOUND

SR-55 NORTHBOUND 3 months, 1 week ago

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

I-405 SOUTHBOUND (SAN DIEGO FREEWAY) 3 months, 1 week ago

Injury crash — 3 injured on SR-73 NORTHBOUND TO SR-55 NORTHBOUND

SR-73 NORTHBOUND TO SR-55 NORTHBOUND 3 months, 3 weeks ago

Injury crash — 3 injured, broadside on ADAMS AV

ADAMS AV 4 months, 1 week ago

Fatal crash — 1 killed — pedestrian involved on NEWPORT BL

NEWPORT BL 4 months, 2 weeks ago

Injury crash — 3 injured, rear-end on SR-73 N/B TO I-405 N/B

SR-73 N/B TO I-405 N/B 4 months, 3 weeks ago

Injury crash — 5 injured on HARBOR BL

HARBOR BL 5 months ago

Injury crash — 3 injured, rear-end on I-405 S/B FROM HARBOR BLVD N/B

I-405 S/B FROM HARBOR BLVD N/B 5 months, 1 week ago

Injury crash — 3 injured, rear-end on SR-55 S/B

SR-55 S/B 5 months, 2 weeks ago

Injury crash — 3 injured, rear-end — hit and run on I-405 N/B TO SR-55 N/B

I-405 N/B TO SR-55 N/B 5 months, 2 weeks ago

Injury crash — 5 injured, broadside on FAIRVIEW RD

FAIRVIEW RD 6 months ago

Injury crash — 3 injured on 2700 HARBOR BLVD.

2700 HARBOR BLVD. 6 months ago

Injury crash — 5 injured on I-405 NORTHBOUND

I-405 NORTHBOUND 6 months, 1 week ago

Injury crash — 3 injured, rear-end on I-405 S/B

I-405 S/B 6 months, 2 weeks ago

Injury crash — 3 injured, rear-end on SR-55 SOUTHBOUND

SR-55 SOUTHBOUND 6 months, 2 weeks ago

Injury crash — 3 injured, rear-end on 19TH ST

19TH ST 6 months, 2 weeks ago

Injury crash — 4 injured, rear-end on HARBOR BL

HARBOR BL 6 months, 2 weeks ago

Injury crash — 4 injured on FAIR DR

FAIR DR 7 months ago

Injury crash — 3 injured, rear-end on I-405 SOUTHBOUND

I-405 SOUTHBOUND 7 months ago

Injury crash — 4 injured on FAIR DR

FAIR DR 7 months ago

Injury crash — 3 injured, rear-end on 19TH ST

19TH ST 7 months, 1 week ago

Injury crash — 4 injured, broadside on HARBOR BL

HARBOR BL 7 months, 1 week ago

Injury crash — 3 injured — pedestrian involved on POMONA AV

POMONA AV 7 months, 2 weeks ago

Injury crash — 6 injured, rear-end on BEAR ST

BEAR ST 8 months ago

Injury crash — 3 injured, rear-end on NEWPORT BL

NEWPORT BL 8 months, 1 week ago

Injury crash — 4 injured on SR-73 SOUTHBOUND TO BEAR STREET

SR-73 SOUTHBOUND TO BEAR STREET 8 months, 3 weeks ago

Injury crash — 5 injured, rear-end on NEWPORT BL

NEWPORT BL 8 months, 3 weeks ago

Fatal crash — 1 killed, broadside on RED HILL AV

RED HILL AV 8 months, 4 weeks ago

Injury crash — 3 injured, broadside on PAULARINO AV

PAULARINO AV 9 months ago

Injury crash — 3 injured, broadside on RED HILL AV

RED HILL AV 9 months ago

Injury crash — 5 injured, broadside on BRISTOL ST

BRISTOL ST 9 months, 1 week ago

Injury crash — 3 injured, broadside on NEWPORT BL

NEWPORT BL 9 months, 3 weeks ago

Injury crash — 3 injured on ANAHEIM AV

ANAHEIM AV 10 months ago

Injury crash — 4 injured, broadside on SUNFLOWER AV

SUNFLOWER AV 10 months, 1 week ago

Injury crash — 3 injured, head-on on PLACENTIA AV

PLACENTIA AV 10 months, 2 weeks ago

Injury crash — 4 injured, broadside on NEWPORT BL

NEWPORT BL 10 months, 3 weeks ago

Injury crash — 4 injured, rear-end on ADAMS AV

ADAMS AV 11 months ago

Fatal crash — 1 killed on BANNING CHANNEL BIKEWAY (EAST SIDE)

BANNING CHANNEL BIKEWAY (EAST SIDE) 11 months, 2 weeks ago

Fatal crash — 1 killed on SR-73 N/B TO SR-55 N/B

SR-73 N/B TO SR-55 N/B 11 months, 3 weeks ago

Injury crash — 3 injured, rear-end on STATE ROUTE 55 NORTHBOUND

STATE ROUTE 55 NORTHBOUND 11 months, 4 weeks ago

Injury crash — 4 injured, rear-end on 19TH ST

19TH ST 11 months, 4 weeks ago

Injury crash — 3 injured, rear-end on I-405 NORTHBOUND

I-405 NORTHBOUND 1 year ago

Injury crash — 3 injured, rear-end on VICTORIA ST

VICTORIA ST 1 year ago