Dias R H and Son
Verified against CSLB on · View on CSLB
License details
- License number
- 428222
- Classifications
- 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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What to check next
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
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.