VCVioCodes
Carrier Vetting Report
Generated Sep 22, 2026
viocodes.yuriance.net
SIERRA XPRESS INC
USDOT 3039538 · EIN 82-2513700
13783 VALERA WAY, VICTORVILLE, CA, 92392
(909) 728-5665 · GUILLERMO SIERRA
80
Low risk
Risk factors
Possible reincarnation pattern — tied to an older inactive carrier
Snapshot
Operating authority
—
Liability insurance
No active filing
Safety rating
Not rated
Power units / drivers
1 / 1
Inspections / CSA pts (24mo)
3 / 28
Crashes (24 mo)
0
CSA breakdown — violations by BASIC
Vehicle Maintenance28 pts
Other2 pts
Top cited violations (by CSA points)
| Code | BASIC | Count | OOS | CSA pts |
|---|---|---|---|---|
| 393.45B2-B-VAC | Vehicle Maintenance | 1 | 1 | 12 |
| 393.48A-BIBD | Vehicle Maintenance | 1 | 8 | |
| 393.45D-B | Vehicle Maintenance | 1 | 8 | |
| 392.2-SLLEQP | — | 1 | 0 | |
| 393.45B2-B | — | 1 | 0 |
Most inspected states
CA3
Next monthly SMS run — projection
| BASIC | Official (Sep 2026) | Projected | Est. %ile | Trend |
|---|---|---|---|---|
| Vehicle Maintenance | 9.33 | 9.33 | — | steady |
Latest inspection 2026-01-12. “Projected” recomputes the SMS formula on today’s record — an estimate, not an official FMCSA figure. “Est. %ile” is a VioCodes estimate of how the carrier ranks against its peers (FMCSA marks the percentile itself “Not Public”), shown as a likely range.
Recommendations — what's driving each score
Vehicle out-of-service rate exceeds the national average · high impact
• Review recent inspections with out-of-service violations and fix the root causes with equipment and drivers
• Run a preventative-maintenance program; periodically inspect tires, brakes and lights
Generated from the public inspection record. Percentiles/projections are VioCodes estimates, not official FMCSA figures.
Equipment — 7 vehicles seen in inspections
6 trailer1 truck
Company profile
Officer
GUILLERMO SIERRA
Annual mileage
0.1M mi (2024)
CDL drivers
1
Registered since
2017-08-17
Operation
Intrastate (Non-Hazmat)
Connections — 69 carriers
Shares identifiers with 69 carriers (15 via shared VINs).
| Carrier | USDOT | Link | Strength |
|---|---|---|---|
| 4 SEASONS ENTERPRISE INC | 928073 | 3 VINs | strong |
| FERDINAND DAVIS TRUCKING | 1209624 | 1 VINs | strong |
| AJM TRUCKING INC | 3154434 | strong | |
| BLUE SKY XPRESS INC | 3281831 | strong | |
| CAJON EXPRESS INC | 3243436 | strong | |
| CALO GROUP TRANSPORT INC | 1012384 | strong | |
| CALO GROUP TRANSPORT INC | 3330713 | strong | |
| CARLOS & SONS TRUCKING LLC | 651165 | strong |
⚠ Possible reincarnation: GUILLERMO SIERRA (USDOT 1421150, 2005).
Activity history (recent)
08/26/2025 — MCS-150 update filed
0.1M mi reported (2024)
08/17/2017 — Registered with FMCSA
AUTHORIZED FOR HIRE
Generated by VioCodes from current public FMCSA data (Census, Licensing & Insurance, SMS/MCMIS, QCMobile). VioCodes is not affiliated with FMCSA. Informational only — verify current coverage and status directly before making a vetting decision. Full interactive profile at viocodes.yuriance.net/carrier/3039538.