Diablo Boiler & Steam Inc
Verified against CSLB on · View on CSLB
License details
- License number
- 530963
- Classifications
- License term on file
- May 25, 1988 – September 30, 2026
Business
- (925) 776 5089 (CSLB public record)
- 729 FULTON SHIPYARD RD #B1, Antioch, CA 94509Contra Costa County
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Frequently asked questions
Is Diablo Boiler & Steam Inc licensed in California?
Yes. Diablo Boiler & Steam Inc holds an active California state contractor license (CSLB #530963), verified against the CSLB public record on June 17, 2026.
What is Diablo Boiler & Steam Inc's CSLB license number?
Diablo Boiler & Steam Inc's California contractor license number is 530963. 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 Diablo Boiler & Steam Inc licensed for?
Diablo Boiler & Steam Inc is classified under Boiler, Hot-Water Heating and Steam Fitting (C-4) by the CSLB.
How do I verify Diablo Boiler & Steam Inc's license myself?
Look up license #530963 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 #530963 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.