CORNERSTONE ENVIRONMENTAL CONTRACTORS INC
USDOT 2367838
Active, intrastate (hazmat) carrier, single-truck operation (1 power unit) — no FMCSA safety rating on record (common).
Vetting summary
At a glance
- Out-of-service rate0% 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 | 2367838 |
|---|---|
| MC Number | MC-436414 |
| Legal Name | CORNERSTONE ENVIRONMENTAL CONTRACTORS INC |
| DBA Name | — |
| Entity Type | — |
| Phone | 9252999225 |
| Address | 4050 PIKE LANE SUITE B, Concord, CA, 94520 |
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 | 89 / 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 | 1 |
|---|---|
| Out-of-Service Rate | 0% vs 19.1% national average |
Most frequent violation categories: 20 (2), 14 (1), 28 (1).
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) | 1 |
|---|---|
| Drivers | 1 |
| Recent Annual Mileage | 12,849 |
| Last MCS-150 Filing | 25-JUL-25 |
CORNERSTONE ENVIRONMENTAL CONTRACTORS INC operates 1 power unit — a larger fleet than 0% of carriers registered in CA.
Nearby
Other carriers in Concord, CA
- PACIFIC STATES PETROLEUM INC — USDOT 2461679, 84 power units
- TOTAL ENVIRONMENTAL & POWER SYSTEMS INC — USDOT 2406539, 63 power units
- MCE CORPORATION — USDOT 2611443, 21 power units
- ACME PRESS INC — USDOT 2605118, 7 power units
- AMY RODRIGUEZ — USDOT 2131142, 6 power units
Browse all carriers in Concord, CA or all CA carriers.