License Plate CA 9CYS921 (California) — Zum Services Inc
USDOT 3373523 · 2021 THMS Express
Most recently recorded carrier for this plate
Zum Services Inc Active
- USDOT
- 3373523
- MC
- 1545842
- Status
- Active
- Type
- Motor Carrier
- Based in
- San Francisco, CA
- Power units
- 2,959
- Drivers
- 2,240
- Inspections (24 mo)
- 3,288
- Crashes (24 mo)
- 62
- Vehicle OOS rate
- 3.8%
Carrier recorded at the latest inspection in the available records (2026-01-07). This does not establish current ownership or confirm that the carrier still operates this vehicle.
View full carrier profile →Authority, insurance & bonds, safety scores, crash history, inspections and the full fleet list.
What this means
License plate CA-9CYS921 appears in FMCSA inspection records 2 times. Recorded on one vehicle: VIN 1HA6GUB74MN005648 (2021 THMS Express). Most recent operating carrier: Zum Services Inc (USDOT 3373523). Vehicle make on file: THMS (SCHOOL BUS). No out-of-service violations are recorded under this plate in the available inspection records. Other violations may still be present.
About this plate
Commercial license plate CA-9CYS921 (California) appears in FMCSA roadside inspection records tied to one commercial vehicle. Inspection activity under this plate runs from 2024-12-11 to 2026-01-07. The latest inspection was in California, a Level V — vehicle-only inspection without the driver present.
Vehicle on this plate
This plate is associated with a single vehicle, a 2021 THMS Express — VIN 1HA6GUB74MN005648 (school bus).
Combined inspection & out-of-service record
Across all vehicles on this plate there are 2 inspections on FMCSA record. No out-of-service violations appear in the available records under this plate. This does not mean that every inspection was free of other violations. The leading violation category is Vehicle Maintenance (1). Vehicle Maintenance covers brakes, lights, tires, load securement and other mechanical condition items.
Operators
Operated by Zum Services Inc (USDOT 3373523) in every inspection on record.
Vehicle detail (inspections per unit)
FMCSA BASIC safety category breakdown
| BASIC Category | Violations | Status |
|---|---|---|
| Vehicle Maintenance | 1 | — Minor |
| Unsafe Driving | 0 | ✓ Clean |
| Driver Fitness | 0 | ✓ Clean |
| Fatigued Driving (HOS) | 0 | ✓ Clean |
| Controlled Substances | 0 | ✓ Clean |
| Hazmat | 0 | ✓ Clean |