CORNERSTONE SITE SERVICES LLC
USDOT 2520567
Active, intrastate (hazmat) carrier, small fleet (10 power units) — no FMCSA safety rating on record (common).
Vetting summary
At a glance
- Out-of-service rate20% vs 19.1% national avg
These signals summarize the records shown below — they are a starting point for your own checks, not a judgment of the carrier.
Registration
Carrier identity
| USDOT Number | 2520567 |
|---|---|
| MC Number | — |
| Legal Name | CORNERSTONE SITE SERVICES LLC |
| DBA Name | — |
| Entity Type | — |
| Phone | 5124101843 |
| Address | 4801 UNIVERSITY BLVD #410, Round Rock, TX, 78665 |
Status
Authority & safety
| Operating Status | Active |
|---|---|
| Operation Type | Intrastate (Hazmat) |
| Safety Rating | None on record — most carriers have not received a formal FMCSA safety rating. |
| Hazmat Flag | false |
Safety ratings: S = Satisfactory, C = Conditional, U = Unsatisfactory. A carrier with no rating has not been through a full FMCSA compliance review — this is common and not itself a red flag.
Our scoring
Safety scores
| Unsafe Driving | 0 / 100 |
|---|---|
| Hours-of-Service Compliance | 0 / 100 |
| Driver Fitness | 0 / 100 |
| Controlled Substances & Alcohol | 0 / 100 |
| Vehicle Maintenance | 82 / 100 |
Scores are 0-100 rankings computed by us from public FMCSA inspection measures; higher = worse relative to peers. Not official CSA/BASIC percentiles. How these scores are computed.
Safety events
Inspections & crashes (last 24 months)
| Inspections | 5 |
|---|---|
| Out-of-Service Rate | 20% vs 19.1% national average |
- 2024-04-05 — TX — 1 injured, towaway
- 2024-03-09 — TX — 3 injured, towaway
- 2023-08-15 — TX — towaway
Most frequent violation categories: 29 (3), 20 (2), 26 (2).
Crash involvement does not imply fault. FMCSA crash records list all reportable crashes involving a carrier, regardless of who caused them.
Equipment
Fleet & operations
| Power Units (trucks) | 10 |
|---|---|
| Drivers | 6 |
| Recent Annual Mileage | 210,000 |
| Last MCS-150 Filing | 25-JUL-24 |
CORNERSTONE SITE SERVICES LLC operates 10 power units — a larger fleet than 95% of carriers registered in TX.
Nearby
Other carriers in Round Rock, TX
- ALPHA PAVING INDUSTRIES LLC — USDOT 2296870, 38 power units
- CHASCO CONSTRUCTORS LTD LLP — USDOT 2154055, 23 power units
- OFELIA L PEREZ — USDOT 2359346, 10 power units
- R&M HAULING SERVICES INC — USDOT 2440685, 7 power units
- AST TRANSPORTATION LLC — USDOT 2517367, 7 power units
Browse all carriers in Round Rock, TX or all TX carriers.