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Truck Graph
0/100
✗ Do Not Tender
No active for-hire authority. Cannot legally haul freight for hire.
John Boylan Engineering INC
DOT 4306404 · Foster City, CA
Report generated: June 3, 2026 at 7:30 AM
✗Authorized for hire?
✗Active insurance?
✓Safety record clean?
✓No fraud flags?
✓No prior revocations?
Carrier Summary

John Boylan Engineering INC (DOT 4306404) is a California-based intrastate carrier headquartered in Foster City, CA. As of June 3, 2026 at 7:30 AM, operating authority is active but without for-hire authority. TruckGraph has detected 1 risk signal on this carrier, including: no active insurance filing on record. TruckGraph rates this carrier "Do Not Tender" based on FMCSA compliance data, inspection history, insurance status, and network connection analysis. Last synced: June 3, 2026 at 7:30 AM.

FMCSA Public Record
John Boylan Engineering INC
DOT Number4306404
MC Number—
Street134 ROCK HARBOR LN
City / StateFoster City, CA 94404-3572
Phone4154178519
Operation typeIntrastate
HazmatNot authorized
Authority age1 yr 7 mo
MCS-150 filed10/07/2024
Company officerJohn Boylan
Power units1
Total drivers6
Authority Status
Common (for-hire)—
Contract (for-hire)—
Broker—
TruckGraph Intelligence
Risk Signals
●No active insurance filing on record
✓ OFAC Sanctions: Clear
Connection Chain
DOT nullShared insurer
Revoked
Network Intelligence Map
Carriers sharing an officer, address, or phone with John Boylan Engineering INC
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Power Units
1
Fleet
Drivers
6
Total
Inspections
0
On record
Crashes
0
On record
OOS Rate
—
↓ Avg 22.26%
Authority Age
1 yr 7 mo
Since 2024
Inspection History
0 total · No inspections

No inspection records on file.

Crash History
0 total on record

No crash records on file.

Insurance Status
⚠ No active insurance filing on record
Verify insurance directly with carrier before tendering any load.
Location
134 ROCK HARBOR LN, Foster City, CA, 94404-3572 · Open in Maps →
134 ROCK HARBOR LN, FOSTER CITY, CA, 94404-3572Open in Maps →
Authority Timeline
Authority GrantedOct 2024
FMCSA issued operating authority
Active USDOT — No for-hire authorityCurrent
USDOT record is active but no for-hire operating authority is currently granted

Source: FMCSA compliance records, inspection data, crash records, insurance filings, and TruckGraph analysis. View methodology

Important Legal Notice

Data sourced from FMCSA public records and TruckGraph independent analysis. This is not legal advice, not a guarantee of carrier safety, and not a compliance certification. Verify through official FMCSA sources before tendering. Last synced: .

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Frequently Asked Questions

Is John Boylan Engineering INC authorized to operate?

John Boylan Engineering INC's USDOT number is active but it does not hold operating authority for for-hire interstate operations. It may operate as a private carrier. Verify status before tendering.

What is John Boylan Engineering INC's safety record?

John Boylan Engineering INC does not have a substantial inspection history on record. This may indicate limited interstate operations.

How many trucks does John Boylan Engineering INC operate?

John Boylan Engineering INC operates 1 power units with approximately 6 drivers.

Is John Boylan Engineering INC insured?

Insurance filing details are not available in the current dataset. Verify directly with the carrier before tendering.

Has John Boylan Engineering INC had any risk indicators?

John Boylan Engineering INC has a risk score of 0/100 (Monitor) with 1 active risk signal. Review the risk section above and verify independently before tendering.

What is the DOT number for John Boylan Engineering INC?

John Boylan Engineering INC's DOT number is 4306404. These identifiers are assigned by the FMCSA and can be used to look up this carrier in official compliance databases.

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Truck Graph data is open and citable. For press inquiries, contact our editorial team.

APA
Truck Graph. (2026). John Boylan Engineering INC Safety Record, DOT 4306404. Retrieved from https://truckgraph.com/carriers/4306404
MLA
"John Boylan Engineering INC Safety Record, DOT 4306404." Truck Graph, Jun 3, 2026, https://truckgraph.com/carriers/4306404
Chicago
"John Boylan Engineering INC Safety Record, DOT 4306404." Truck Graph. Last modified June 3, 2026. https://truckgraph.com/carriers/4306404