CarrierOwl

CORNER KEYSTONE CONSTRUCTION CORPORATION

AUTHORIZED
721 BREA CANYON RD STE 9, WALNUT, CA, 91789-3039|(844) 252-2677

USDOT

4274859

MC Number

N/A

Fleet Size

6

Total Drivers

6

Last updated: March 16, 2026

Safety overview

CORNER KEYSTONE CONSTRUCTION CORPORATION is a small intrastate only (non-hazmat) motor carrier based in WALNUT, California, operating 6 power units with 6 drivers. FMCSA hasn't published BASIC scores for this carrier yet. That usually means they don't have enough inspection data for the system to calculate percentiles. No crashes on file.

BASIC scores

SMS Percentiles

Higher percentile = worse performance relative to peers. Scores at or above 75% may trigger an FMCSA investigation.

No BASIC scores available. This usually means the carrier hasn't had enough inspections for FMCSA to calculate percentiles.

Company details

Entity Type
N/A
Carrier Operation
Intrastate Only (Non-Hazmat)
Operation Classification
Authorized For Hire
Cargo Carried
N
Hazmat
No
Safety Rating Date
N/A

Inspections

0

Total

—

Driver %

Driver Inspections0
Vehicle Inspections0

Crash history

0

Total Crashes

Fatal Crashes0
Injury Crashes0
Tow Crashes0

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Frequently asked questions

Is CORNER KEYSTONE CONSTRUCTION CORPORATION authorized to operate?

Yes. CORNER KEYSTONE CONSTRUCTION CORPORATION (USDOT #4274859) currently holds "AUTHORIZED" status with FMCSA. They're registered as an intrastate only (non-hazmat) carrier.

How many trucks does CORNER KEYSTONE CONSTRUCTION CORPORATION operate?

CORNER KEYSTONE CONSTRUCTION CORPORATION operates 6 power units with 6 drivers on file. That makes them a small carrier.

Does CORNER KEYSTONE CONSTRUCTION CORPORATION transport hazardous materials?

No. CORNER KEYSTONE CONSTRUCTION CORPORATION does not have a hazardous materials flag in the FMCSA database.

Where is CORNER KEYSTONE CONSTRUCTION CORPORATION located?

CORNER KEYSTONE CONSTRUCTION CORPORATION is based in WALNUT, California at 721 BREA CANYON RD STE 9, 91789-3039. Phone: (844) 252-2677.