Contractor License Proof

Blach Construction Company

Licensed

Verified against CSLB on · View on CSLB

License details

License number
290418
Status
Active
Classifications
A · General EngineeringB · General Building
Contractor bond
$25,000
Workers' comp
Covered
License term on file
January 24, 1974 – June 30, 2027

Business

  • (408) 244 7100 (CSLB public record)
  • 2244 BLACH PLACE STE 100, San Jose, CA 95131Santa Clara County

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Frequently asked questions

Is Blach Construction Company licensed in California?

Yes. Blach Construction Company holds an active California state contractor license (CSLB #290418), verified against the CSLB public record on June 17, 2026.

What is Blach Construction Company's CSLB license number?

Blach Construction Company's California contractor license number is 290418. Look that number up with the CSLB "Check a License" tool to confirm its current status against the public record yourself.

What kind of work is Blach Construction Company licensed for?

Blach Construction Company is classified under General Engineering (A) and General Building (B) by the CSLB.

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

Look up license #290418 with the CSLB "Check a License" tool and compare the status, bond, and workers' compensation details against what's shown on this page. This page reflects the CSLB public record as of June 17, 2026.

Verify it yourself: How to verify a California contractor license · Look up #290418 on CSLB

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See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.