J Isabel Diaz (USDOT 1837736)
No blockers or cautions found.
- 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
- 1 power units, 1 drivers
- Operation type
- Intrastate Non-Hazmat
- Physical address
- 1910 MARGARET ST, HOUSTON, TX 77093
- MCS-150 last filed
- 2025-12
Frequently asked questions
What carrier is USDOT 1837736?
USDOT 1837736 is J Isabel Diaz, an intrastate non-hazmat motor carrier.
What is J Isabel Diaz's USDOT number?
J Isabel Diaz's USDOT number is 1837736. No MC docket number is on file.
Is J Isabel Diaz 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 J Isabel Diaz have insurance on file with FMCSA?
No active liability (BIPD) insurance on file with FMCSA.
What is J Isabel Diaz's safety record?
In the last 24 months, FMCSA records show 0 of 2 vehicle inspections ending out-of-service for J Isabel Diaz, too few inspections for a stable rate. FMCSA records also show 0 reportable crashes in the same window.
What is J Isabel Diaz's CSA score?
FMCSA does not publish a single CSA score for carriers. J Isabel Diaz's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.
What is J Isabel Diaz's FMCSA safety rating?
J Isabel Diaz 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.
View the full fleetfax report for J Isabel Diaz
Run a SAFER company snapshot lookup for any carrier
Sourced from FMCSA public records. Official data as of Aug 25, 2026. fleetfax surfaces the facts; brokers make the judgment.