Pulling FMCSA records…

Armstar Towing (USDOT 4164321)

Monitor
Verdict
No blockers or cautions found
1note

Findings

Intrastate operation only

Registered with FMCSA for in-state operation only, with no federal operating authority. Loads that cross state lines are outside this registration.

DOT number
USDOT 4164321
Operating authority
Federal operating authority is not applicable: this is an intrastate operation, with no federal docket required. The federal bulk file showed this carrier's USDOT registration active as of Sep 25, 2026. We could not confirm that live just now.
Insurance on file
No active liability (BIPD) insurance on file with FMCSA.
Safety rating
No published safety rating
Fleet on file
1 power unit, 1 driver
Operation type
Intrastate Non-Hazmat
Physical address
2121 WHITMAN WAY APT 1, SAN BRUNO, CA 94066-4049
MCS-150 last filed
Dec 2023

Other carriers based in San Bruno, CA

Companies whose FMCSA physical address is in San Bruno, CA. Listed because of where they are based, nothing else.

Frequently asked questions

What carrier is DOT 4164321?

DOT 4164321 (USDOT 4164321) is Armstar Towing, an intrastate non-hazmat motor carrier.

What is Armstar Towing's USDOT number?

Armstar Towing's USDOT number is 4164321. No MC docket number is on file.

Is Armstar Towing currently authorized to operate?

Federal operating authority is not applicable: this is an intrastate operation, with no federal docket required. The federal bulk file showed this carrier's USDOT registration active as of Sep 25, 2026. We could not confirm that live just now. Source: FMCSA registration and licensing records.

Does Armstar Towing have insurance on file with FMCSA?

No active liability (BIPD) insurance on file with FMCSA.

What is Armstar Towing's safety record?

In the last 24 months, FMCSA records show 0 of 2 vehicle inspections ending out-of-service for Armstar Towing, too few inspections for a stable rate. FMCSA records also show 0 recordable crashes in the same window.

What is Armstar Towing's CSA score?

FMCSA does not publish a single CSA score for carriers. Armstar Towing's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.

What is Armstar Towing's FMCSA safety rating?

Armstar Towing has no published FMCSA safety rating. Most US carriers have never received a rating review, so an unrated carrier is the common case, not a warning sign by itself.

Changes over time

A free account follows changes on the carriers you save.

Create a free account

View the full fleetfax report for Armstar Towing

Carriers based in San Bruno, CA

More carriers based in California

Run a SAFER company snapshot lookup for any carrier

Reconstructed from cached and fleetfax-ingested FMCSA public records, so it may be out of date. Records loaded Sep 25, 2026. Verify current status on FMCSA SAFER. fleetfax surfaces the facts; brokers make the judgment. FMCSA status

Monitor