Motor carrier · USDOT 3435430

SLACK JOHN L, Potter Valley, CA: USDOT 3435430 safety record, inspections, out-of-service, crashes

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

SLACK JOHN L among Mendocino County carriers

By power units, SLACK JOHN L is number 315 of 859 Mendocino County carriers, level with 544 that also file 1; the county’s middle fleet is 1 power unit.

SLACK JOHN L (doing business as JOHN SLACK TRUCKING), USDOT 3435430, MCS-150 filed January 28, 2025: 1 power unit (1 truck), 1 driver (0 with a CDL), 1 miles in 2024; Potter Valley, CA 95469, Mendocino County; active on the census; Intrastate Non-Hazmat Carriers; no hazardous materials; not rated by FMCSA; hauls Logs, Poles, Beams, Lumber; registered June 3, 2020.

Mendocino County carriers nearest SLACK JOHN L in fleet size

CASEY'S BOBCAT AND EARTHWORKS, Mendocino: USDOT 337477, 1 driver, registered December 22, 1988
THOMAS KILLIAN, Hopland: USDOT 3380771, 4 drivers, registered January 10, 2020
FRANK KILLIAN, Hopland: USDOT 3382699, 4 drivers, registered January 15, 2020
PAUL GONDUSKY, Mendocino: USDOT 3393381, 1 driver, registered February 9, 2020
ALL IN 1 TREE & TIMBER INC, Elk: USDOT 3395779, 1 driver, registered February 14, 2020
BLACK DUCK LLC, Potter Valley: USDOT 3397242, 2 drivers, registered February 18, 2020
MENDO DISTRIBUTION AND TRANSPORTATION LLC, Ukiah: USDOT 3411771, 2 drivers, registered March 24, 2020
BJC CONSTRUCTION INC, Ukiah: USDOT 3413116, 1 driver, registered March 27, 2020
MENDO WATER INC, Boonville: USDOT 3428134, 1 driver, registered May 14, 2020
THOMAS HAROLD HUBBS, Redwood Vly: USDOT 3432945, 1 driver, registered May 27, 2020
RICARDO TORRES, Ukiah: USDOT 3444369, 2 drivers, registered June 23, 2020
SUNSHINE HOLISTIC, Fort Bragg: USDOT 3449479, 4 drivers, registered July 6, 2020
JESSE BROWN, Fort Bragg: USDOT 3464532, 2 drivers, registered August 4, 2020
RHETT PARDINI, Boonville: USDOT 3465550, 1 driver, registered August 6, 2020
CALVIN PIFFERO, Redwood Vly: USDOT 3478432, 1 driver, registered August 28, 2020
KOLBY BERRY TRUCKING LLC, Redwood Vly: USDOT 3489984, 1 driver, registered September 18, 2020
HAPPY RIDES LLC, Fort Bragg: USDOT 3494550, 1 driver, registered September 27, 2020
COLLIN C FLING, Little River: USDOT 3495910, 1 driver, registered September 29, 2020
DIAMOND TREE SERVICE, Redwood Vly: USDOT 3501428, 2 drivers, registered October 8, 2020
NATHAN O'FERRALL, Covelo: USDOT 3504355, 1 driver, registered October 14, 2020

Roadside inspections

Velarion’s copy of the inspection file holds no inspection for USDOT 3435430.

Crashes

Velarion’s copy of the crash file holds no crash for USDOT 3435430.

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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.

Of the 179,736 California carriers with 1 power unit, 16.7% have at least one roadside inspection on record, and SLACK JOHN L is counted in that population. Mendocino County has 545 carriers with 1 power unit, including SLACK JOHN L.