Motor carrier · USDOT 3120004

ESTEBAN GUERRERO, Rosemead, CA: USDOT 3120004 safety record, inspections, out-of-service, crashes

1Power units
1Drivers
0Roadside inspections on file
0With an out-of-service order
0Crashes on file

Fleet and drivers are as ESTEBAN GUERRERO filed them on its MCS-150, last updated February 5, 2022. The carrier has been on the FMCSA register since April 6, 2018. Inspections and crashes are the reports in Velarion’s copy of FMCSA’s inspection and crash files, which hold the reports filed by some states, not every state; FMCSA’s free SAFER snapshot carries the carrier’s national 24-month inspection and out-of-service figures.

What the register holds for ESTEBAN GUERRERO: its USDOT number, its address in Los Angeles County, its operating authority, its fleet of 1 power units and 1 drivers; FMCSA has not rated it. Velarion’s copy of the inspection and crash files holds no inspection and no crash for USDOT 3120004.

Identity

Legal name as filed	ESTEBAN GUERRERO
Doing business as	GUERREROS AUTO SERVICE
USDOT number	3120004
Status on the census	Active
Address	Rosemead, CA 91770
County	Los Angeles County
Operating authority	Intrastate Non-Hazmat Carriers
Hazardous materials	Does not carry hazardous materials
Safety rating	Not rated
Power units	1 (1 trucks)
Drivers	1 (0 with a CDL)
On the register since	April 6, 2018
MCS-150 last filed	February 5, 2022
MCS-150 annual mileage	287,744 miles (2022)
Cargo carried	Drive/Tow Away

Cited to the FMCSA Company Census File.

Roadside inspections

0Inspections
0Any out-of-service order
0Driver out of service
0Vehicle out of service

Velarion’s copy of the inspection file holds no inspection for USDOT 3120004.

Cited to the FMCSA Vehicle Inspection File; up to 50 rows shown, newest first.

Crashes

0Crashes
0With a fatality
0With an injury

Velarion’s copy of the crash file holds no crash for USDOT 3120004.

Cited to the FMCSA Crash File; up to 50 rows shown, newest first.

Watch this carrier

One carrier, $49/month. One carrier. The watch returns the inspection, violation, enforcement and crash entries the register carries for that carrier alone. Choose “One carrier” and enter this carrier’s USDOT number, 3120004.

Start the watch

How we handle your data → Privacy

FMCSA publishes a free snapshot of every carrier on SAFER: its registration, its national inspection and out-of-service figures for the last 24 months, and its crashes; open it for USDOT 3120004.

Nearby on the register

Figures from the FMCSA Company Census File, loaded October 15, 2026, and FMCSA’s inspection and crash files.

How this page was built: FMCSA Company Census File, read October 15, 2026.

ESTEBAN GUERRERO, doing business as GUERREROS AUTO SERVICE, is one of 179,736 California carriers with one power unit, and only 16.7% of those carriers have at least one roadside inspection on file, a share this carrier does not reach since it has none. Among the 54,073 Los Angeles County carriers with one power unit, including this one, it has no crashes on file and no roadside inspections, and its 54.6% earlier-joining peer share sits alongside the 20.4% out-of-service rate seen across the 74,458 inspections of California one-unit carriers.