Contractor License Proof

Dias R H and Son

Licensed

Verified against CSLB on · View on CSLB

License details

License number
428222
Status
Active
Classifications
B · General Building
Contractor bond
$25,000
Workers' comp
ExemptNo employees — not a red flag.
License term on file
September 21, 1982 – September 30, 2026

Business

  • (415) 883 2197 (CSLB public record)
  • 1296 SAN JOSE WAY, Petaluma, CA 94952Sonoma County

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Frequently asked questions

Is Dias R H and Son licensed in California?

Yes. Dias R H and Son holds an active California state contractor license (CSLB #428222), verified against the CSLB public record on June 17, 2026.

What is Dias R H and Son's CSLB license number?

Dias R H and Son's California contractor license number is 428222. 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 Dias R H and Son licensed for?

Dias R H and Son is classified under General Building (B) by the CSLB.

How do I verify Dias R H and Son's license myself?

Look up license #428222 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 #428222 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.