Public CSLB records

Blueline Engineering INC, A General Engineering Contractor in Concord, CA

License #948803·Corporation·Concord, Contra Costa County
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Summary

Blueline Engineering INC operating as a corporation holds an active California contractor license (CSLB #948803), valid through Jun 30, 2026. First issued in 2010, the license has been on the CSLB roster for 16 years. It carries 3 CSLB classifications: A General Engineering Contractor, B General Building Contractor, and C-6 Cabinet, Millwork and Finish Carpentry Contractor. Records show an active surety bond on file with Merchants Bonding Company (mutual) and active workers' compensation coverage from Omaha National Casualty Company. The business is based in Concord, in Contra Costa County, California.

Business Information
Address
1641 Challenge Dr Suite D
Concord, CA 94520
License Details & Classifications
License Number
948803
Issued
Jun 15, 2010
Status
CLEAR
Expires
Jun 30, 2026
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
Merchants Bonding Company (mutual)
Bond Number
100149115
Effective
Jul 15, 2023
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Omaha National Casualty Company
Policy Number
ONCC1062706
Effective
Dec 22, 2025
Expires
Dec 22, 2026
Review

This contractor warrants a closer look before contracting:

  • License expires in 3 days
License StatusActive
Contractor BondOn file
Workers' CompensationActive

An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this

Frequently asked questions
Is Blueline Engineering INC licensed in California?

Yes. Blueline Engineering INC holds California Contractors State License Board license number 948803, which is active and in good standing. The license was first issued on June 15, 2010. It is valid through June 30, 2026.

What does Blueline Engineering INC specialize in?

Blueline Engineering INC is licensed for 3 CSLB classifications: A General Engineering Contractor, B General Building Contractor, and C-6 Cabinet, Millwork and Finish Carpentry Contractor.

Where is Blueline Engineering INC headquartered?

Blueline Engineering INC is headquartered at 1641 Challenge Dr Suite D, Concord, CA 94520, in Contra Costa County, California.

Does Blueline Engineering INC have an active surety bond on file with CSLB?

Yes. Blueline Engineering INC has an active California contractor surety bond filed with Merchants Bonding Company (mutual).

Does Blueline Engineering INC carry workers' compensation coverage?

Yes. Blueline Engineering INC carries active workers' compensation coverage through Omaha National Casualty Company.

How do I verify Blueline Engineering INC's contractor license?

You can verify Blueline Engineering INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=948803.

Activity Timeline
  1. License issuedJun 15, 2010
  2. Bond activeJul 15, 2023
  3. WC coverage startsDec 22, 2025
  4. License expiresJun 30, 2026
  5. WC expiresDec 22, 2026
Other contractors in Contra Costa County
California lien & payment resources

Working a California job with Blueline Engineering INC, or chasing an unpaid invoice? These free tools track your mechanics lien deadlines and rights under California Civil Code §§8200–8848.

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