Diaz Bros Delivery LLC (USDOT 3878447)
1 caution found.
- DOT number
- USDOT 3878447
- Docket (MC) number
- MC1422171
- Operating authority
- Common carrier authority: active.
- Authority granted
- 2022-07-15
- Insurance on file
- Liability (BIPD) insurance on file for $750,000.
- Safety rating
- No published safety rating
- Fleet on file
- 1 power units, 1 drivers
- Operation type
- Interstate
- Physical address
- 14901 SE 272ND ST APT J202, KENT, WA 98042
- MCS-150 last filed
- 2026-04
Findings
- Unsafe driving at the FMCSA intervention threshold (Caution): Unsafe driving ranks 94 of 100 among similar carriers with recent violations (higher = worse). fleetfax peer estimate, not an official CSA score.
Frequently asked questions
What carrier is DOT 3878447?
DOT 3878447 (USDOT 3878447) is Diaz Bros Delivery LLC, an interstate motor carrier.
What carrier is MC 1422171?
MC 1422171 is the docket number of Diaz Bros Delivery LLC, USDOT 3878447.
What is Diaz Bros Delivery LLC's MC number?
Diaz Bros Delivery LLC's docket number is MC 1422171. Its USDOT number is 3878447.
Is Diaz Bros Delivery LLC currently authorized to operate?
Common carrier authority: active. Source: FMCSA registration and licensing records.
Does Diaz Bros Delivery LLC have insurance on file with FMCSA?
Liability (BIPD) insurance on file for $750,000.
Who provides Diaz Bros Delivery LLC's insurance?
Diaz Bros Delivery LLC's liability insurance is filed with FMCSA by State Nationalspecialty Insco/National Specia.
What is Diaz Bros Delivery LLC's safety record?
In the last 24 months, FMCSA records show 2 of 9 vehicle inspections ending out-of-service for Diaz Bros Delivery LLC, too few inspections for a stable rate. FMCSA records also show 0 recordable crashes in the same window.
What is Diaz Bros Delivery LLC's CSA score?
FMCSA does not publish a single CSA score for carriers. Diaz Bros Delivery LLC's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.
What is Diaz Bros Delivery LLC's FMCSA safety rating?
Diaz Bros Delivery LLC 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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Sourced from FMCSA public records. Official data as of Aug 29, 2026. fleetfax surfaces the facts; brokers make the judgment.