Olsson Plumbing Company
Verified against CSLB on · View on CSLB
License details
- License number
- 443706
- Classifications
- License term on file
- July 27, 1983 – July 31, 2026
Business
- (510) 522 2442 (CSLB public record)
- 806 LUZ COURT, Danville, CA 94526Contra Costa County
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What to check next
Frequently asked questions
Is Olsson Plumbing Company licensed in California?
Yes. Olsson Plumbing Company holds an active California state contractor license (CSLB #443706), verified against the CSLB public record on June 17, 2026.
What is Olsson Plumbing Company's CSLB license number?
Olsson Plumbing Company's California contractor license number is 443706. 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 Olsson Plumbing Company licensed for?
Olsson Plumbing Company is classified under Warm-Air Heating, Ventilating and Air-Conditioning (C-20), Plumbing (C-36), Boiler, Hot-Water Heating and Steam Fitting (C-4), Sanitation System (C-42), and Sheet Metal (C-43) by the CSLB.
How do I verify Olsson Plumbing Company's license myself?
Look up license #443706 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 #443706 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.