Contractor License Proof

Mainstream Electric Inc

Licensed

Verified against CSLB on · View on CSLB

License details

License number
890180
Status
Active
Classifications
C-10 · Electrical
Contractor bond
$25,000
Workers' comp
ExemptNo employees — not a red flag.
License term on file
January 26, 2007 – January 31, 2027

Business

  • (408) 898 7919 (CSLB public record)
  • 24989 PLUM TREE STREET, Hayward, CA 94544Alameda County

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Frequently asked questions

Is Mainstream Electric Inc licensed in California?

Yes. Mainstream Electric Inc holds an active California state contractor license (CSLB #890180), verified against the CSLB public record on June 17, 2026.

What is Mainstream Electric Inc's CSLB license number?

Mainstream Electric Inc's California contractor license number is 890180. 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 Mainstream Electric Inc licensed for?

Mainstream Electric Inc is classified under Electrical (C-10) by the CSLB.

How do I verify Mainstream Electric Inc's license myself?

Look up license #890180 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 #890180 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.