License is active
Source: Contractors State License Board (CSLB)
Licensed
Current and in good standing
Bonded
$25,000 surety bond
Insured
Workers' comp coverage on file
Clean record
No complaints or disciplinary actions
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BLUELINE ENGINEERING INC
- License Number
- 948803
- State
- California
- Status
- active
- Business Type
- Corporation
- Address
- 1641 CHALLENGE DR SUITE D CONCORD, CA, 94520 Contra Costa County
- Phone
- (925) 287 0102
License Dates
Issued
06/15/2010
Expires
06/30/2026
Expires in 11 weeks
CSLB Last Updated
12/22/2025
License Classifications
Personnel & Officers
DIEFENBACH MARTIN EDMOND| DIEFENBACH MARTIN
Officer
BARRETT JEFFREY RICHARD
Responsible Managing Officer/Chief Executive Officer/President
Contractor Bond
Amount: $25,000
Company: MERCHANTS BONDING COMPANY (MUTUAL)
Bond #100149115
Effective: 07/15/2023
Workers' Compensation
Policy #ONCC1062706
Effective: 12/22/2025
Expires: 12/22/2026
CSLB designation: Workers' Compensation Insurance
Complaints & Disciplinary History
This reflects CSLB's bulk license data. For detailed complaint history including pending investigations, check the official CSLB record.
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