DBA: Zlc Corp
Zl Construction Corporation is an active intrastate non-hazmat carrier based in Concord, CA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 3 | 0 | 0 |
| Total Power Units | 3 | ||
Distinct vehicles · 24 mo
vs 3 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | Insp w/ Viol |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 85% | 94% | Worse than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 92% | 97% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 71% | 86% | Around peer average |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 0 | — | 6.67% |
| Vehicle | 0 | 1 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jan 1, 2025 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 10 | 1 | 4 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Feb 5, 2026 | CA | TRUCK TRACTOR | 0 | 0 |
| Nov 4, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Nov 3, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Jul 31, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Mar 6, 2025 | CA |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 1.25 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 5 | 2.42 | — |
| Driver Fitness | 1 | 0.37 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 1 state. Top state CA accounts for 100% of activity. Activity outside home state (CA): 0%.
| Driver Fitness | 1 | 1 | 1 |
| Unsafe Driving | 1 | 0 | 0 |
| STRAIGHT TRUCK |
| 1 |
| 0 |
| Jan 31, 2025 | CA | STRAIGHT TRUCK | 1 | 0 |
| Jan 20, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Dec 9, 2024 | CA | STRAIGHT TRUCK | 0 | 0 |
| Nov 1, 2024 | CA | STRAIGHT TRUCK | 0 | 0 |
| Oct 31, 2024 | CA | STRAIGHT TRUCK | 3 | 1 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 6, 2025 | 3922SLLTCD | State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g. safety official signal sign light lane marking other | Unsafe Driving | — |
| Jan 31, 2025 | 39375CTAOTDLT232 | Tires - Less than 2/32 inch tread depth | Vehicle Maintenance | — |
| Oct 31, 2024 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Oct 31, 2024 | 39353B | CMV manufactured after 10/19/94 has an automatic airbrake adjustment system that fails to compensate for wear | Vehicle Maintenance | — |
| Oct 31, 2024 | 3963A1BOS | Brake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination | Vehicle Maintenance | Yes |
| Sep 16, 2024 | 39383G | Exhaust - Discharging at a point forward or directly below the driver or sleeper compartment | Vehicle Maintenance | Yes |
| Aug 5, 2024 | 38391A | Operating a cmv with improper CDL group | Driver Fitness | Yes |
| Aug 5, 2024 | 39360D | Windshield / Windows - Tinting permits less than 70% of light transmittance | Vehicle Maintenance | — |
| Jun 17, 2024 | 39345B2 | Brake hose or tubing chafing and/or kinking | Vehicle Maintenance | Yes |
| Jun 17, 2024 | 39353B | CMV manufactured after 10/19/94 has an automatic airbrake adjustment system that fails to compensate for wear | Vehicle Maintenance | — |