Freight Carrier · Diamond Bar, CA

QUALITRANS

24161 HIGH KNOB RD UNIT A · Diamond Bar, CA 91765

Authorized: Property
(714) 515-0460 Tap to call
  • MC #708598
  • USDOT #2009801 USDOT Active
  • 1
    Power Unit
  • 1
    Driver
  • Carrier
    Entity Type

About this carrier

QUALITRANS is a Diamond Bar, CA freight carrier that is authorized for property in the state of California. This company has 1 truck(s) in their fleet and 1 truck drivers. Their motor carrier number is MC-708598 and their USDOT number is 2009801.

Sourced from FMCSA SAFER · last filed 02/09/2026 · last updated May 23, 2026.

Carrier Details

  • Legal Name SEAN PARK
  • Operating Status AUTHORIZED FOR Property
  • MCS-150 Filed 02/09/2026
  • MCS-150 Mileage 124,000 (2025)

Authority & Operations

Operation Classification
  • Authorized for Hire
Carrier Operation
  • Interstate

Cargo Authorized

  • General Freight

Operating Territory

Inspection activity   Inspected in 6 states over the past 24 months: AZ (4), OK (1), TX (1), NC (1), LA (1), CA (1). Home base: Diamond Bar, California.

Safety Record

Updated 2 days ago

Crashes (24 mo)

  • 0
    Fatal
  • 0
    Injury
  • 0
    Tow
  • 0
    Total

Behavior Categories (BASICs)

CategoryMeasureViolations Unsafe Driving 0 0 Crash Indicator Not Public Hours of Service 0.76 2 Vehicle Maintenance 4.8 5 Drugs / Alcohol 0 0 Hazmat Not Public Driver Fitness 0 0

Inspection Summary

  • 9
    Total
  • 4
    Clean
  • 5
    With violations

24-month window ending May 15, 2026

Violations Cited 9 unique codes

Critical 2

  • 395.8A1-HOSPHOS (Property) - Failing to have a record of duty status using the method prescribed OOS×1 SW 5
  • 393.47B-BMBCBD-SADrum Brake - Mismatched brake chamber sizes on a steering axle OOS×1 SW 4

Vehicle Maintenance 6

  • 393.11A1-LCHLLighting - Lamps improper color, height, location. SW 6
  • 393.55E-BAir Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1, 1998 SW 4
  • 393.55C2-BAir Brake - CMV other than truck-tractor manufactured on or after March 1, 1998 not equipped with an antilock brake system. System does not function or indicates a fault. SW 4
  • 393.55(e)No or Defective ABS Malfunction Indicator Lamp for trailer manufactured after 03/01/1998 SW 4
  • 396.17C-PIOperating a CMV without documentation of a periodic inspection SW 4
  • 396.3A1BBrakes (general) Explain: SW 4

Hours of Service 1

  • 395.24HOS (ELD) - ELD Form and Manner SW 1

Locations

Physical Address
QUALITRANS
24161 HIGH KNOB RD UNIT A
DIAMOND BAR, CA 91765
Mailing Address
Same as physical.

Location on Map