SIERRA INSULATION CO INC

USDOT 1396146

Active

Active, interstate carrier, small fleet (11 power units) — no FMCSA safety rating on record (common).

USDOT1396146
MC Number—
Fleet11 power units
Drivers20
Phone5308892186
LocationAuburn, CA

Vetting summary

At a glance

  • Out-of-service rate0% vs 19.1% national avg

These signals summarize the records shown below — they are a starting point for your own checks, not a judgment of the carrier.

Registration

Carrier identity

USDOT Number1396146
MC Number—
Legal NameSIERRA INSULATION CO INC
DBA Name—
Entity Type—
Phone5308892186
Address2025 AIRPARK CT STE 50, Auburn, CA, 95602

Status

Authority & safety

Operating StatusActive
Operation TypeInterstate
Safety RatingNone on record — most carriers have not received a formal FMCSA safety rating.
Hazmat Flagfalse

Safety ratings: S = Satisfactory, C = Conditional, U = Unsatisfactory. A carrier with no rating has not been through a full FMCSA compliance review — this is common and not itself a red flag.

Our scoring

Safety scores

Unsafe Driving
81 / 100
Hours-of-Service Compliance
0 / 100
Driver Fitness
0 / 100
Controlled Substances & Alcohol
0 / 100
Vehicle Maintenance
66 / 100

Scores are 0-100 rankings computed by us from public FMCSA inspection measures; higher = worse relative to peers. Not official CSA/BASIC percentiles. How these scores are computed.

Safety events

Inspections & crashes (last 24 months)

Inspections5
Out-of-Service Rate0% vs 19.1% national average

Most frequent violation categories: 51 (3), 12 (2), 14 (1).

Crash involvement does not imply fault. FMCSA crash records list all reportable crashes involving a carrier, regardless of who caused them.

Equipment

Fleet & operations

Power Units (trucks)11
Drivers20
Recent Annual Mileage250,000
Last MCS-150 Filing16-APR-26

SIERRA INSULATION CO INC operates 11 power units — a larger fleet than 97% of carriers registered in CA.

Nearby

Other carriers in Auburn, CA

Browse all carriers in Auburn, CA or all CA carriers.