Motor carrier · USDOT 3546731

WILLIAM UNDERWOOD CONSTRUCTION, Cotati, CA: USDOT 3546731 safety record, inspections, out-of-service, crashes

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

WILLIAM UNDERWOOD CONSTRUCTION among Sonoma County carriers

By power units, WILLIAM UNDERWOOD CONSTRUCTION is number 992 of 3,032 Sonoma County carriers, level with 2,040 that also file 1; the county’s middle fleet is 1 power unit.

WILLIAM UNDERWOOD CONSTRUCTION, USDOT 3546731, MCS-150 filed February 13, 2026: 1 power unit (1 truck), 1 driver (0 with a CDL), 100 miles in 2025; Cotati, CA 94931, Sonoma County; active on the census; Intrastate Non-Hazmat Carriers; no hazardous materials; not rated by FMCSA; hauls Building Materials, Other, Construction, General Freight; registered January 8, 2021.

Sonoma County carriers nearest WILLIAM UNDERWOOD CONSTRUCTION in fleet size

RONALD CRANE, Santa Rosa: USDOT 3523166, 1 driver, registered November 17, 2020
JONATHAN MEIER LLC, Geyserville: USDOT 3523434, 1 driver, registered November 18, 2020
ASAPP PRO MASONRY, Santa Rosa: USDOT 3532487, 1 driver, registered December 8, 2020
EGS LANDSCAPING LLC, Santa Rosa: USDOT 3535776, 0 drivers, registered December 14, 2020
RAVENS CREEK INC, Santa Rosa: USDOT 3537099, 1 driver, registered December 16, 2020
ALLIED RESTORATION COMPANY INC, Petaluma: USDOT 3538336, 1 driver, registered December 18, 2020
OSCAR F MENENDEZ, Petaluma: USDOT 3538877, 4 drivers, registered December 20, 2020
DJS STEEL COMPANY INC, Sonoma: USDOT 3543502, 3 drivers, registered January 4, 2021
SUCCESSELLENCE ENTERPRISES LLC, Sebastopol: USDOT 3544897, 1 driver, registered January 6, 2021
AFRICALI CULTURE LLC, Sebastopol: USDOT 3545652, 1 driver, registered January 7, 2021
REGEN WEST INC, Sebastopol: USDOT 3550038, 2 drivers, registered January 13, 2021
NARAN COURIER LLC, Petaluma: USDOT 3551580, 1 driver, registered January 15, 2021
E G PAVING CONSTRUCTION INC, Santa Rosa: USDOT 3552297, 1 driver, registered January 18, 2021
WILLIAM F LEONARDO, Santa Rosa: USDOT 3552449, 1 driver, registered January 18, 2021
JOHN A GRIFFIN, Santa Rosa: USDOT 3555653, 1 driver, registered January 22, 2021
VILLA TERRAZZA INC, Sonoma: USDOT 3559035, 5 drivers, registered January 27, 2021
DSW MOTORS LLC, Santa Rosa: USDOT 3559173, 1 driver, registered January 28, 2021
NORTH BAY TRANSPORT LLC, Sonoma: USDOT 3560730, 1 driver, registered January 30, 2021
FAMILIA CHAVEZ TREE CARE LLC, Guerneville: USDOT 3566129, 1 driver, registered February 8, 2021
RUDY CAMPOS TRUCKING LLC, Santa Rosa: USDOT 3569228, 1 driver, registered February 12, 2021

Roadside inspections

Velarion’s copy of the inspection file holds no inspection for USDOT 3546731.

Crashes

Velarion’s copy of the crash file holds no crash for USDOT 3546731.

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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.

Velarion's inspection file lists at least one roadside inspection for 16.7% of the 179,736 California carriers with 1 power unit. Of the 179,736 California carriers with 1 power unit, this carrier included, 66.2% joined the register before WILLIAM UNDERWOOD CONSTRUCTION did. Sonoma County has 2,041 carriers with 1 power unit, this carrier included, and WILLIAM UNDERWOOD CONSTRUCTION has no crash records on file.