CORNER KEYSTONE CONSTRUCTION CORPORATION

USDOT 4274859 · Walnut, CA · Underwriter-grade risk snapshot

Operating statusActive

Lead priorityUnknown

Fleet6 power units · 6 drivers (6 trucks)

OperationC · AUTHORIZED FOR HIRE

Current insurer—

Crashes / Inspections (24 mo)0 / 5

	Vehicle	Driver
This carrier	0.0% (0/5)	0.0% (0/5)
National average	22.3%	6.7%

✓ At or below national average.

Address721 BREA CANYON RD STE 9
WALNUT CA 91789-3039

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Power units6

Drivers6 (0 CDL)

MCS-150 mileage0 (0)

MCS-150 filedJul 30, 2024

HazmatN

Cargogeneral freight

Total inspections5

Out-of-service0

Vehicle OOS rate0.0%

Driver OOS rate0.0%

Total violations1

OOS violations0

Total crashes0

Fatal crashes0

Injuries0

Insurance agent? CORNER KEYSTONE CONSTRUCTION CORPORATION — get the full CA lead list.

Data as of Thu Oct 15 2026 00:00:00 GMT+0000 (Coordinated Universal Time). Source: FMCSA public filings, refreshed daily by Insight Carrier.