Motor carrier · USDOT 4289730

D-4 COMMUNICATION LLC, Pacifica, CA: USDOT 4289730 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 D-4 COMMUNICATION LLC filed them on its MCS-150, last updated September 5, 2024. The carrier has been on the FMCSA register since August 30, 2024. 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 D-4 COMMUNICATION LLC: its USDOT number, its address in San Mateo 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 4289730.

Identity

Legal name as filed	D-4 COMMUNICATION LLC
Doing business as	D-4 GENERAL ENINEERING
USDOT number	4289730
Status on the census	Active
Address	Pacifica, CA 94044
County	San Mateo 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	August 30, 2024
MCS-150 last filed	September 5, 2024
MCS-150 annual mileage	8,500 miles (2023)
Cargo carried	Building Materials; Other; Construction

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 4289730.

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 4289730.

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

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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 4289730.

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.

D-4 COMMUNICATION LLC is one of 1,792 carriers registered in San Mateo County with a single power unit, and 85.9% of the 179,736 California carriers with one power unit joined the register before it did. Unlike many peers, it has no crashes on file and no roadside inspections on file, while 16.7% of California single-unit carriers do have at least one roadside inspection on file.