Olson William & Co
Verified against CSLB on · View on CSLB
License details
- License number
- 539274
- Classifications
- License term on file
- August 26, 1988 – April 30, 2028
Business
- (425) 361 3640 (CSLB public record)
- 13300 BOTHELL EVERETT HWYSUITE 303 PMB685, Mill Creek, WA 980125312
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Frequently asked questions
Is Olson William & Co licensed in California?
Yes. Olson William & Co holds an active California state contractor license (CSLB #539274), verified against the CSLB public record on June 17, 2026.
What is Olson William & Co's CSLB license number?
Olson William & Co's California contractor license number is 539274. 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 Olson William & Co licensed for?
Olson William & Co is classified under General Building (B) by the CSLB.
How do I verify Olson William & Co's license myself?
Look up license #539274 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 #539274 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.