Master Bio INC (USDOT 4038302)
1 caution found.
- DOT number
- USDOT 4038302
- 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 active as of 2026-08-30. 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
- 2 power units, 3 drivers
- Operation type
- Intrastate Non-Hazmat
- Physical address
- 128 NEWTON STREET, SAN FRANCISCO, CA 94112
- MCS-150 last filed
- 2025-01
Findings
- Multiple carriers at this address (Caution): One other active carrier is registered at this physical address. Shared addresses are common for freight offices and registered agents.
Frequently asked questions
What carrier is DOT 4038302?
DOT 4038302 (USDOT 4038302) is Master Bio INC, an intrastate non-hazmat motor carrier.
What is Master Bio INC's USDOT number?
Master Bio INC's USDOT number is 4038302. No MC docket number is on file.
Is Master Bio INC 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 active as of 2026-08-30. We could not confirm that live just now. Source: FMCSA registration and licensing records.
Does Master Bio INC have insurance on file with FMCSA?
No active liability (BIPD) insurance on file with FMCSA.
What is Master Bio INC's safety record?
In the last 24 months, FMCSA records show 0 of 1 vehicle inspection ending out-of-service for Master Bio INC, too few inspections for a stable rate. FMCSA records also show 0 recordable crashes in the same window.
What is Master Bio INC's CSA score?
FMCSA does not publish a single CSA score for carriers. Master Bio INC's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.
What is Master Bio INC's FMCSA safety rating?
Master Bio INC 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.
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Reconstructed from cached and fleetfax-ingested FMCSA public records, so it may be out of date. Records loaded Aug 30, 2026. Verify current status on FMCSA SAFER. fleetfax surfaces the facts; brokers make the judgment. FMCSA status