Contractor License Proof

Quantum Mechanical of Sonoma County Inc

Licensed

Verified against CSLB on · View on CSLB

License details

License number
731245
Status
Active
Classifications
B · General BuildingC-16 · Fire ProtectionC-36 · Plumbing
Contractor bond
$25,000
Workers' comp
ExemptNo employees — not a red flag.
License term on file
January 10, 1997 – March 31, 2027

Business

  • (707) 479 6950 (CSLB public record)
  • 4945 GRANGE RD, Santa Rosa, CA 95404Sonoma County

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Frequently asked questions

Is Quantum Mechanical of Sonoma County Inc licensed in California?

Yes. Quantum Mechanical of Sonoma County Inc holds an active California state contractor license (CSLB #731245), verified against the CSLB public record on June 17, 2026.

What is Quantum Mechanical of Sonoma County Inc's CSLB license number?

Quantum Mechanical of Sonoma County Inc's California contractor license number is 731245. 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 Quantum Mechanical of Sonoma County Inc licensed for?

Quantum Mechanical of Sonoma County Inc is classified under General Building (B), Fire Protection (C-16), and Plumbing (C-36) by the CSLB.

How do I verify Quantum Mechanical of Sonoma County Inc's license myself?

Look up license #731245 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 #731245 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.