TAMBERS CORPORATION
USDOT 2899067 • 3476 LISBON DR, SAN JOSE, CA, 95132
Overview
Company profile from FMCSA Census File
Risk Signals1 flagged
Signals are auto-detected from FMCSA public records. This is not a regulatory determination.
Authority & Insurance
Operating authority, insurance filings, and BOC-3 status
Operating Authority
| Authority Type | Docket # | Status | Original Date | Final Date |
|---|---|---|---|---|
| Common Carrier | MC-974854 | ACTIVE | Unknown | Jan 14, 2020 |
Active Insurance (1)
| Insurer | Type | Policy # | Status | Effective | Cancel Date |
|---|---|---|---|---|---|
| UNITED FINANCIAL CASUALTY COMPANY | BIPD/Primary | CA 4304964 | ON FILE | Jun 16, 2016 | Jan 29, 2020 |
Insurance History (1 canceled/expired)
| Insurer | Type | Policy # | Status | Effective | Cancel Date |
|---|---|---|---|---|---|
| UNITED FINANCIAL CASUALTY COMPANY | BIPD/Primary | CA 4304964 | REPLACED | Jun 16, 2016 | Jan 13, 2020 |
Insurance Events Timeline
| Event | Insurer | Policy # | Type | Event Date | Cancel Date |
|---|---|---|---|---|---|
| TERM/CANCL | UNITED FINANCIAL CASUALTY COMPANY | CA 4304964 | BIPD/Primary | Jan 29, 2020 | Jan 29, 2020 |
| TERM/REPL | UNITED FINANCIAL CASUALTY COMPANY | CA 4304964 | BIPD/Primary | Jan 13, 2020 | Jan 13, 2020 |
Authority Action History (2 events)
| Docket | Authority Type | Original Action | Served Date | Disposition | Decided Date |
|---|---|---|---|---|---|
| MC974854 | COMMON | INVOLUNTARY REVOCATION | Dec 27, 2019 | DISCONTINUED REVOCATION | Jan 14, 2020 |
| MC974854 | MOTOR PROPERTY COMMON CARRIER | GRANTED | Jun 30, 2016 | — | Unknown |
Safety & Inspections
SMS BASIC scores, inspection history, and out-of-service rates
SMS BASIC Scores
Higher percentile = worse safety performance relative to peers. Scores at or above 75% trigger FMCSA alerts.
Inspection Activity (24 months)
Monthly inspection counts with OOS months highlighted. Hover bars for details.
Inspection Activity Map
1 state • 7 inspections
Violation Summary (15 violations from 7 inspections)
| Code | Description | # Violations | # OOS | Severity Wt | BASIC |
|---|---|---|---|---|---|
| FMCSR:393.70(c) | Coupling devices defective | 4 | 1 | 8 | Vehicle Maintenance |
| FMCSR:393.45B2-BHTD | Brake tubing/hoses inadequate | 2 | 2 | 7 | Vehicle Maintenance |
| FMCSR:393.45D-B | Brake tubing/hoses inadequate | 2 | 0 | 7 | Vehicle Maintenance |
| FMCSR:396.5B-L | Fuel system leak | 1 | 0 | 7 | Vehicle Maintenance |
| FMCSR:396.3A1-DLDSJM | Driveline/Driveshaft - Any horizontal or vertical movement of slip joint yoke shaft of greater than 1/2 inch with hand pressure only. | 1 | 1 | — | Vehicle Maintenance |
| FMCSR:396.5B-HWSL | Fuel system leak | 1 | 0 | 7 | Vehicle Maintenance |
| FMCSR:393.45B2-B-AIR | Brake tubing/hoses inadequate | 1 | 0 | 7 | Vehicle Maintenance |
| FMCSR:393.75(a)(3) | Tire-flat and/or audible air leak | 1 | 1 | — | Vehicle Maintenance |
| FMCSR:392.2 | Operating a CMV while ill or fatigued | 1 | 0 | 8 | Unsafe Driving |
| FMCSR:396.3(a)(1) | Inspection/repair/maintenance - general | 1 | 1 | 5 | Vehicle Maintenance |
Peer Context
This carrier vs national averages. Lower is better for all metrics.
National averages: vehicle OOS 23.4%, driver OOS 6.7%, violations per inspection ~1.8. Based on FMCSA MCSAP program data.
Inspection History (7 inspections)
| Date | Report # | Station | State | Level | Vehicle | Violations | Top Codes | OOS |
|---|---|---|---|---|---|---|---|---|
| Feb 6, 2026 | 87009499 | GILROY IF | CA | Level 1 | ACE SEMI-TRAILER | 0 | — | No |
| Feb 6, 2026 | 87011212 | GILROY IF | CA | Level 1 | ACE SEMI-TRAILER | 7 | 393.45B2-BHTD, 396.5B-L, 396.3A1-DLDSJM | Yes |
| Nov 12, 2025 | 86324306 | GILROY IF | CA | Level 1 | ACE SEMI-TRAILER | 1 | 393.45D-B | No |
| Sep 18, 2025 | 85858312 | GILROY IF | CA | Level 2 | ACE SEMI-TRAILER | 0 | — | No |
| Jul 24, 2024 | 82205738 | AT AROMITAS RD | CA | Level 1 | KENS TRUCK TRACTOR | 4 | 393.70(c), 393.75(a)(3), 392.2 | Yes |
| May 21, 2024 | 81700594 | I-580 W/B LIVERMORE SCALES | CA | Level 3 | ACE SEMI-TRAILER | 0 | — | No |
| Apr 30, 2024 | 81489288 | SR 129 W/OF US101 | CA | Level 1 | ACE SEMI-TRAILER | 3 | 393.70(c), 396.3(a)(1) | Yes |
Inspection analytics
Monthly cadence, frequent stations, and violation mix
Inspections per month (24 mo)
Most frequent inspection stations
Violations by BASIC category
Compliance Timeline
3 events merged from authority, insurance, enforcement, OOS, crash, MCS-150, and safety rating records