Owner-operator
1 power units. Brokers price each fleet type apart.
DBA TRIBECA EXPRESS
Load decision · FMCSA snapshot · 2026-06-13
Operating, but with flags a broker should weigh before tendering freight.
Owner-operator
1 power units. Brokers price each fleet type apart.
19.5 yr
Model years 2000–2017 · peer benchmark computing.
7 yr unchanged
Same registration since 2018 — no chameleon / reincarnation signal.
Is MARIA ISABEL DIAZ safe to load? MARIA ISABEL DIAZ (USDOT 3191671, MC-137212) is an active owner-operator motor carrier based in HOUSTON, TX, operating 1 power unit and 1 driver. Operating authority has been active 7 years (past the 24-month broker-confidence threshold). Across 12 roadside inspections, its vehicle out-of-service rate over the last 24 months is 33.3% (above the 22.26% national average), with 0 reportable crashes in the last 24 months. FMCSA has not assigned a safety rating. Vektor rates it review before loading (81/100), with the leading concern: driver out-of-service rate well above average. Source: FMCSA SAFER/MCMIS, last updated 2026-06-13.
MARIA ISABEL DIAZ's USDOT number is 3191671, and its motor carrier number is MC-137212.
As of 2026-06-13, MARIA ISABEL DIAZ is active in the FMCSA register with common, contract, broker operating authority on file.
MARIA ISABEL DIAZ has a 33.3% vehicle out-of-service rate (national average 22.26%) across 12 roadside inspections, with 0 reportable crashes in the last 24 months, and is not currently rated by FMCSA. Vektor's computed risk score is 81/100 (tier: review).
MARIA ISABEL DIAZ operates 1 power unit and 1 driver per its most recent MCS-150 filing.
MARIA ISABEL DIAZ is based in HOUSTON, TX, with roadside inspections recorded across 3 states.
12 inspections · 24 mo · vs national benchmarks
Out-of-service rate· 24-mo cumulative · vs national
Out-of-service trend· any OOS · all inspection levels · 6-month trailing
Inspection coverage· expected vs observed · the fraud signal
How heavily FMCSA inspects this fleet for its size — it tells you how much to trust the safety signals above. Thin coverage on a young authority is a fraud signal nobody else surfaces.
Violation themes· decoded · grouped by BASIC
What this carrier actually gets cited for — FMCSA violation codes decoded into plain English, ranked by frequency.
Can they legally + adequately haul your load?
Operating authority· 49 CFR · per type
Operating authority
Insurance & bonds
Insurance continuity· insurer · policy · lapses
Shorter eras are too brief to label at this scale — all 3 insurers are named in the list below.
This timeline is the FMCSA filing history, and it ends at the most recent superseded filing — current policy status is not tracked here. Request a certificate of insurance to confirm active coverage before tendering.
| Insurer | Period | Limit | Renewals |
|---|---|---|---|
| SENTRY SELECT INSURANCE COMPANY | Jun 2023 → Aug 2023 | $750k | 2 |
| DB INSURANCE CO., LTD (U.S.BRANCH) | Jun 2022 → Jun 2023 | $750k | 2 |
| QUALITAS INSURANCE COMPANY | Jun 2019 → Jun 2021 | $750k | 5 |
VIN-decoded · NHTSA vPIC
Capacity· power units = haulable capacity; trailers are towed
Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.
Fleet age· model years · decoded VINs
Revealed by inspection density across 3 states · 24 mo
Operating footprint· revealed by roadside-inspection geography
Inspection density by state· each tile = a state · shade = inspections, last 24 mo
Affiliated entities & reincarnation signals · for review, not a verdict
Last 12 months: 1 truck also ran under 1 other carrier
Shares a company officer with other carriers
Capacity consistency· registered vs roadside-observed power units
Roadside-observed power units materially exceed the registered MCS-150 fleet — confirm the carrier is operating within its filed capacity.
FMCSA census + L&I dossier
Location
Contact
Registration
Fleet (self-reported · MCS-150)
Daily-captured FMCSA licensing & insurance changes — monitored by Vektor
Federal record activity· monitored daily by Vektor
No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.
Verified broker, shipper & driver reviews — moderated
Be the first broker or shipper to rate MARIA ISABEL DIAZ. Reviews cover performance only — on-time delivery, payment speed, communication — and never affect the Vektor risk score.
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