Cowell Sam
Verified against CSLB on · View on CSLB
License details
- License number
- 565603
- Classifications
- License term on file
- April 20, 1989 – April 30, 2027
Business
- (707) 738 1842 (CSLB public record)
- 533 SOSCOL AVE TRLR 204, Napa, CA 945583432Napa County
Are you Cowell Sam? Claim this listing to manage it.
Claim this listingRequest a free quote
Tell us about your project and we'll connect you with licensed, verified California contractors.
Other Fire Protection contractors in Napa
Marceau Fire Protection Inc
C-16 · Napa, CA
Verified June 17, 2026 · Bonded
Johns Ken Plumbing
C-16 · Napa, CA
Verified June 17, 2026 · Bonded
Steve Silva Plumbing Inc
C-16 · Napa, CA
Verified June 17, 2026 · Bonded
Plumbing Innovations Inc
C-16 · Napa, CA
Verified June 17, 2026 · Bonded
Oakville Pump Service Inc
C-16 · Napa, CA
Verified June 17, 2026 · Bonded
What to check next
Frequently asked questions
Is Cowell Sam licensed in California?
Yes. Cowell Sam holds an active California state contractor license (CSLB #565603), verified against the CSLB public record on June 17, 2026.
What is Cowell Sam's CSLB license number?
Cowell Sam's California contractor license number is 565603. 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 Cowell Sam licensed for?
Cowell Sam is classified under Fire Protection (C-16) by the CSLB.
How do I verify Cowell Sam's license myself?
Look up license #565603 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 #565603 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.