Knock - Out Plumbing
Verified against CSLB on · View on CSLB
License details
- License number
- 854512
- Classifications
- License term on file
- February 15, 2005 – February 28, 2027
Business
- (310) 493 0348 (CSLB public record)
- P O BOX 882, Lomita, CA 90717Los Angeles County
Are you Knock - Out Plumbing? 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 Plumbing contractors in Lomita
Imbro Christopher Plumbing
C-36 · Lomita, CA
Verified June 17, 2026 · Bonded
K T Cook Plumbing Inc
C-36 · Lomita, CA
Verified June 17, 2026 · Bonded
Coastal Plumbing Services
C-36 · Lomita, CA
Verified June 17, 2026 · Bonded
Schulze Plumbing Inc
C-36 · Lomita, CA
Verified June 17, 2026 · Bonded
TRG Construction Inc
C-36 · Lomita, CA
Verified June 17, 2026 · Bonded
Rooter It Once Drains and Plumbing Inc
C-36 · Lomita, CA
Verified June 17, 2026 · Bonded
What to check next
Frequently asked questions
Is Knock - Out Plumbing licensed in California?
Yes. Knock - Out Plumbing holds an active California state contractor license (CSLB #854512), verified against the CSLB public record on June 17, 2026.
What is Knock - Out Plumbing's CSLB license number?
Knock - Out Plumbing's California contractor license number is 854512. 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 Knock - Out Plumbing licensed for?
Knock - Out Plumbing is classified under Plumbing (C-36) by the CSLB.
How do I verify Knock - Out Plumbing's license myself?
Look up license #854512 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 #854512 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.