Pulling FMCSA records…

Mt Plus Corporation (USDOT 3999953)

No blockers or cautions found.

Docket (MC) number
FF57950
Operating authority
Federal operating authority is not applicable: this is an intrastate operation, with no federal docket required.
Insurance on file
No active liability (BIPD) insurance on file with FMCSA.
Safety rating
No published safety rating
Fleet on file
7 power units, 6 drivers
Operation type
Intrastate Non-Hazmat
Physical address
1328 S WELLER ST, SEATTLE, WA 98144
MCS-150 last filed
2024-10

Frequently asked questions

What carrier is USDOT 3999953?

USDOT 3999953 is Mt Plus Corporation, an intrastate non-hazmat motor carrier.

What carrier is FF57950?

FF57950 is the docket number of Mt Plus Corporation, USDOT 3999953.

What is Mt Plus Corporation's MC number?

Mt Plus Corporation's docket number is FF57950. Its USDOT number is 3999953.

Is Mt Plus Corporation currently authorized to operate?

Federal operating authority is not applicable: this is an intrastate operation, with no federal docket required. Source: FMCSA registration and licensing records.

Does Mt Plus Corporation have insurance on file with FMCSA?

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

What is Mt Plus Corporation's safety record?

In the last 24 months, FMCSA records show 0 of 4 vehicle inspections ending out-of-service for Mt Plus Corporation, too few inspections for a stable rate. FMCSA records also show 0 recordable crashes in the same window.

What is Mt Plus Corporation's CSA score?

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

What is Mt Plus Corporation's FMCSA safety rating?

Mt Plus Corporation 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

Carriers change. Phone numbers, email addresses, insurance, authority. A sudden contact-info change is often the first sign of carrier identity fraud. fleetfax tracks these changes. Create a free account to follow changes on carriers you save.

Create a free account

View the full fleetfax report for Mt Plus Corporation

More carriers based in Washington

Run a SAFER company snapshot lookup for any carrier

Sourced from FMCSA public records. Official data as of Aug 26, 2026. fleetfax surfaces the facts; brokers make the judgment.