Public CSLB records

Blach Construction Company, A General Engineering Contractor in San Jose, CA

License #290418·Corporation·San Jose, Santa Clara County
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Summary

Blach Construction Company operating as a corporation holds an active California contractor license (CSLB #290418), valid through Jun 30, 2027. First issued in 1974, the license has been on the CSLB roster for 52 years. It carries 2 CSLB classifications: A General Engineering Contractor and B General Building Contractor. Records show an active surety bond on file with Liberty Mutual Insurance Company and active workers' compensation coverage from Zurich American Insurance Company. The business is based in San Jose, in Santa Clara County, California.

Business Information
Address
2244 Blach Place Ste 100
San Jose, CA 95131
License Details & Classifications
License Number
290418
Issued
Jan 24, 1974
Status
CLEAR
Expires
Jun 30, 2027
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
Liberty Mutual Insurance Company
Bond Number
024016609
Effective
Jan 1, 2023
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Zurich American Insurance Company
Policy Number
WC437326518
Effective
Apr 1, 2026
Expires
Apr 1, 2027
Verified

This contractor is verified, with no adverse conditions in the current CSLB record.

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 Blach Construction Company licensed in California?

Yes. Blach Construction Company holds California Contractors State License Board license number 290418, which is active and in good standing. The license was first issued on January 24, 1974. It is valid through June 30, 2027.

What does Blach Construction Company specialize in?

Blach Construction Company is licensed for 2 CSLB classifications: A General Engineering Contractor and B General Building Contractor.

Where is Blach Construction Company headquartered?

Blach Construction Company is headquartered at 2244 Blach Place Ste 100, San Jose, CA 95131, in Santa Clara County, California.

Does Blach Construction Company have an active surety bond on file with CSLB?

Yes. Blach Construction Company has an active California contractor surety bond filed with Liberty Mutual Insurance Company.

Does Blach Construction Company carry workers' compensation coverage?

Yes. Blach Construction Company carries active workers' compensation coverage through Zurich American Insurance Company.

How do I verify Blach Construction Company's contractor license?

You can verify Blach Construction Company's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=290418.

Activity Timeline
  1. License issuedJan 24, 1974
  2. Bond activeJan 1, 2023
  3. WC coverage startsApr 1, 2026
  4. WC expiresApr 1, 2027
  5. License expiresJun 30, 2027
Other contractors in Santa Clara County
California lien & payment resources

Working a California job with Blach Construction Company, 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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