Motor carrier · USDOT 3158956

WILLIAM ALFONSO, Sun Valley, CA: USDOT 3158956 safety record, inspections, out-of-service, crashes

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

WILLIAM ALFONSO among Los Angeles County carriers

By power units, WILLIAM ALFONSO is number 15,189 of 69,261 Los Angeles County carriers, level with 54,072 that also file 1; the county’s middle fleet is 1 power unit.

WILLIAM ALFONSO (doing business as WILLIAM ALFONSO TRUCKING), USDOT 3158956, MCS-150 filed June 17, 2025: 1 power unit (1 truck), 1 driver (1 with a CDL), 12,000 miles in 2024; Sun Valley, CA 91352, Los Angeles County; active on the census; Intrastate Non-Hazmat Carriers; no hazardous materials; not rated by FMCSA; hauls Building Materials, Garbage, Refuse, Trash, Construction; registered July 11, 2018.

Los Angeles County carriers nearest WILLIAM ALFONSO in fleet size

MERCURY MAILING SYSTEMS INC, Los Angeles: USDOT 3158058, 1 driver, registered July 9, 2018
S&C DRAYAGE INC, La Mirada: USDOT 3158123, 1 driver, registered July 9, 2018
EULALIO PENALONZO, Carson: USDOT 3158171, 1 driver, registered July 9, 2018
ZX US TRUCKING INC, Alhambra: USDOT 3158301, 1 driver, registered July 9, 2018
SABAS JIMENEZ BRISENO, Los Angeles: USDOT 3158318, 1 driver, registered July 9, 2018
CURTIS TRANSPORTATION SERVICES INCORPORATED, San Dimas: USDOT 3158569, 2 drivers, registered July 10, 2018
K LAND TRUCKING INC, Hacienda Heights: USDOT 3158592, 1 driver, registered July 10, 2018
ARNULFO RUTILIO LANDAVERDE, Pico Rivera: USDOT 3158880, 1 driver, registered July 10, 2018
MARVIN LOUIS WINBUSH JR, Los Angeles: USDOT 3158902, 1 driver, registered July 10, 2018
T-LEC CONSTRUCTION, Los Angeles: USDOT 3158922, 1 driver, registered July 10, 2018
WON EVER COMPANY INC, Claremont: USDOT 3159327, 1 driver, registered July 11, 2018
T & S TRANSPORTATION SERVICES, Palmdale: USDOT 3159331, 1 driver, registered July 11, 2018
SIDESHOW MANAGED SOLUTIONS, Paramount: USDOT 3159415, 1 driver, registered July 11, 2018
MARIO ALBERTO HERNANDEZ, Long Beach: USDOT 3159425, 1 driver, registered July 11, 2018
SANDRA ANGELICA CAMACHO, Gardena: USDOT 3159896, 1 driver, registered July 12, 2018
NMD EXPRESS INC, Paramount: USDOT 3159924, 1 driver, registered July 12, 2018
H PEREZ TRUCKING LLC, Long Beach: USDOT 3159942, 1 driver, registered July 12, 2018
GARAY LOGISTICS LLC, Los Angeles: USDOT 3159943, 1 driver, registered July 12, 2018
MARIN TRANSPORTATION LLC, Bell: USDOT 3159959, 1 driver, registered July 12, 2018
M GALLARDO TRUCKING LLC, Montebello: USDOT 3159969, 1 driver, registered July 12, 2018

Roadside inspections

Velarion’s copy of the inspection file holds no inspection for USDOT 3158956.

Crashes

Velarion’s copy of the crash file holds no crash for USDOT 3158956.

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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.

WILLIAM ALFONSO, a single-truck carrier based in Sun Valley, is one of 179,736 California carriers with one power unit, and 16.7% of that group has at least one roadside inspection in Velarion's copy of the FMCSA inspection file. Among roadside inspections of California carriers with one power unit, 20.4% ended in an out-of-service order, a measure against which this carrier's record of zero roadside inspections on file stands apart. Of those 179,736 peer carriers, 55.4% joined the FMCSA register before WILLIAM ALFONSO did in July 2018, and the carrier has no crashes on file.