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Motor carrier · USDOT 1396146

SIERRA INSULATION CO INC, Auburn, CA: USDOT 1396146 safety record, inspections, out-of-service, crashes

SIERRA INSULATION CO INC among Placer County carriers

By power units, SIERRA INSULATION CO INC is number 103 of 2,096 Placer County carriers, level with 9 that also file 11; the county’s middle fleet is 1 power unit.

SIERRA INSULATION CO INC, USDOT 1396146, MCS-150 filed April 16, 2026: 11 power units (11 trucks), 20 drivers (0 with a CDL), 250,000 miles in 2024; Auburn, CA 95602, Placer County; active on the census; Interstate Carriers; no hazardous materials; not rated by FMCSA; hauls Building Materials, Construction; registered July 18, 2005.

Roadside inspections on file by year: 2026: 1.

  • October 13, 2026, CA: Level III, driver only inspection, 3 violations, no out-of-service order.

Crashes on file by year: 2019: 1; 2017: 1.

  • May 17, 2019, Unincorporated, CA: 0 deaths, 0 injuries, towed away.
  • March 27, 2017, Unincorporated, CA: 0 deaths, 0 injuries, towed away.

Placer County carriers nearest SIERRA INSULATION CO INC in fleet size

Roadside inspections

DateFiled byLevelViolationsOut-of-serviceDriver OOSVehicle OOS
October 13, 2026CALevel III, driver only3000

Crashes

DateFiled byCityFatalitiesInjuriesTowed awayHazmat released
May 17, 2019CAUnincorporated00Yes
March 27, 2017CAUnincorporated00YesNo

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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.

What this page shows

This page of the Velarion Records public-records register covers the motor carrier SIERRA INSULATION CO INC, USDOT 1396146, in Auburn, CA. It lists 11 power units, 20 drivers, 0 roadside inspections on file, 0 with an out-of-service order, 2 crashes on file, and 250,000 miles in annual mileage for 2024. The carrier has been on the FMCSA register since July 18, 2005, with its MCS-150 last filed April 16, 2026.