Sizemore & Son
Verified against CSLB on · View on CSLB
License details
- License number
- 1010445
- Classifications
- License term on file
- January 20, 2016 – January 31, 2028
Business
- (925) 584 4560 (CSLB public record)
- 1800 DUTCH SLOUGH RD, Oakley, CA 94561Contra Costa County
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What to check next
Frequently asked questions
Is Sizemore & Son licensed in California?
Yes. Sizemore & Son holds an active California state contractor license (CSLB #1010445), verified against the CSLB public record on June 17, 2026.
What is Sizemore & Son's CSLB license number?
Sizemore & Son's California contractor license number is 1010445. 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 Sizemore & Son licensed for?
Sizemore & Son is classified under General Engineering (A) by the CSLB.
How do I verify Sizemore & Son's license myself?
Look up license #1010445 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 #1010445 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.