CORNERSTONE ON-SITE CONCRETE LLC
Facts from the FMCSA record that call for a closer look. They are not a finding of wrongdoing. Authority and insurance are last known from May 14, 2026. How this works
- Operating authority is not authorized (last known)Without active authority the company may not haul or broker interstate freight for hire.
MC1724949: no authority granted
No cargo cover filed with FMCSA
Green means the FMCSA record shows it. It does not confirm who you are talking to, or that a policy covers your specific load.
Not a live check. FMCSA has not published a Motus record for this carrier, so authority and insurance show the last known status from May 14, 2026. Confirm on Motus ↗ before booking.
What to verify next
- Confirm authority and insurance on the official Motus record ↗: our copy is the last known status from May 14, 2026. Safety record: SAFER ↗.
- Call back on the number on file, (817) 484-4813, not a number from an email or load board.
- Check that the MC number you were given is MC1724949 or MC1724949.
- Ask the insurer for a certificate of insurance naming you as holder, with cargo coverage that fits your load.
Insurance on file
No insurance filings were found in the public FMCSA data for this carrier.
Roadside inspections Oct 18, 2024 – Oct 18, 2026
2 of 11 · Texas avg 25.1%
0 of 11 · Texas avg 7.7%
10 most recent inspections
| Date | State | Level | Violations | Out of service |
|---|---|---|---|---|
| Oct 7, 2026 | TX | 2 | 1 | No |
| Sep 25, 2026 | TX | 2 | 0 | No |
| Aug 3, 2026 | TX | 2 | 0 | No |
| Jul 1, 2026 | TX | 2 | 1 | No |
| May 5, 2026 | TX | 2 | 0 | No |
| Apr 2, 2026 | TX | 2 | 5 | No |
| Mar 14, 2026 | TX | 2 | 15 | Yes |
| Nov 19, 2025 | TX | 1 | 2 | No |
| Oct 20, 2025 | TX | 2 | 4 | No |
| Apr 22, 2025 | TX | 2 | 3 | No |
How these rates are calculated
Period: Oct 18, 2024 – Oct 18, 2026. Vehicle rate = vehicle inspections with a vehicle out-of-service order ÷ vehicle inspections (levels 1, 2, 5 and 6). Driver rate uses levels 1, 2, 3 and 6. The Texas average covers 347,521 vehicle and 460,200 driver inspections of all Texas-based carriers in this period. It mixes every type of operation, so compare with care; rates based on a handful of inspections say little. FMCSA's own SMS measures are weighted differently: SMS profile ↗ · SAFER snapshot ↗
Violations in FMCSA's SMS last 24 months
21 violations counted in FMCSA's Safety Measurement System (SMS), 3 of them serious enough to put the driver or vehicle out of service.
Why is this different from the 41 violations above?
The inspections section's number counts every violation written on the inspection reports in our Oct 18, 2024 – Oct 18, 2026 window. The SMS count comes from FMCSA's own monthly SMS snapshot, which uses its own 24-month window and only the violations it scores. Both are FMCSA figures; they measure different things.
| Category (FMCSA BASIC) | Violations | Out of service | Share | Texas share |
|---|---|---|---|---|
| Vehicle Maintenance | 21 | 3 | 100.0% | 78.8% |
10 most frequent violations
| Violation | Times | Out of service |
|---|---|---|
| Inoperable Required Lamp Clearance Identification Lamps/Other · Vehicle Maintenance · code 3939 | 5 | 0 |
| Weight carried exceeds tire load limit Tire vs. Load · Vehicle Maintenance · code 39375GLOAD | 2 | 2 |
| Brake Hose or Tubing Chafing and/or Kinking Under Vehicle Brakes All Others · Vehicle Maintenance · code 39345B2UV | 2 | 0 |
| No or improper load securement General Securement · Vehicle Maintenance · code 393100A | 1 | 1 |
| Brake Connections with Leaks Under Vehicle Brakes All Others · Vehicle Maintenance · code 39345DLUV | 1 | 0 |
| Brake Tubing and Hose Adequacy Under Vehicle Brakes All Others · Vehicle Maintenance · code 39345UV | 1 | 0 |
| CMV manufactured after 10/19/94 has an automatic airbrake adjustment system that fails to compensate for wear Brakes All Others · Vehicle Maintenance · code 39353B | 1 | 0 |
| CMV other than truck-tractor manufactured on or after March 1 1998 not equipped with an antilock brake system Brakes All Others · Vehicle Maintenance · code 39355C2 | 1 | 0 |
| Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt Brakes Out of Adjustment · Vehicle Maintenance · code 39347E | 1 | 0 |
| No/discharged/unsecured fire extinguisher Emergency Equipment · Vehicle Maintenance · code 39395A | 1 | 0 |
Source: FMCSA SMS violation file, inspections in the last 24 months, published Oct 18, 2026. "Share" is this company's mix of violations; the Texas column is the mix across all Texas-based carriers, so you can see which kinds of problems stand out. A high count partly reflects fleet size and how often trucks are inspected.
Crashes Oct 18, 2024 – Oct 18, 2026
3 most recent crashes
| Date | Location | Fatalities | Injuries |
|---|---|---|---|
| Jun 10, 2026 | Richardson, TX | 0 | 0 |
| Sep 3, 2025 | Irving, TX | 0 | 1 |
| Apr 23, 2025 | Not Listed, TX | 0 | 1 |
Reportable crashes do not imply the carrier was at fault.
Company details FMCSA census · Oct 18, 2026
| USDOT number | 4345382 |
|---|---|
| MC / docket | MC1724949, MC1724949 |
| Legal name | CORNERSTONE ON-SITE CONCRETE LLC |
| Operation | Interstate |
| Business type | — |
| Power units | 27 |
| Drivers | 29 |
| Annual mileage | 1,090,000 (2024) |
| Hazmat | No |
| Safety rating | Not rated (no compliance review on record) |
| USDOT number added | Jan 14, 2025 · 1 year ago |
| Last MCS-150 update | Apr 23, 2025 |
Cargo carried
Building MaterialsCommodities Dry BulkConstruction
Questions about CORNERSTONE ON-SITE CONCRETE LLC
What does CORNERSTONE ON-SITE CONCRETE LLC's operating authority allow?
FMCSA records show no active operating authority for CORNERSTONE ON-SITE CONCRETE LLC (MC1724949, MC1724949), so it may not haul regulated interstate freight for hire or broker loads under these dockets.
Which information about CORNERSTONE ON-SITE CONCRETE LLC is old or missing?
Operating authority is the last known status from the FMCSA snapshot of May 14, 2026, not a current check. No insurance filings were found in the public data. FMCSA has not issued a safety rating, which means no compliance review is on record, not that the carrier is unsafe.
What should I verify before booking CORNERSTONE ON-SITE CONCRETE LLC?
Confirm the authority and insurance on the Motus record for USDOT 4345382. Call the company back on the phone number on file, (817) 484-4813, not a number from an email or load board message. Check that the MC number the dispatcher gave you matches MC1724949 or MC1724949, and ask the insurer for a certificate of insurance naming you as certificate holder.
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Company details from the FMCSA Company Census File (Oct 18, 2026). Inspections and crashes from FMCSA MCMIS files. About our data · Report an error.