Mainline Plumbing Services LLC
Verified against CSLB on · View on CSLB
License details
- License number
- 1145319
- Classifications
- License term on file
- October 21, 2025 – October 31, 2027
Business
- (310) 433 1259 (CSLB public record)
- 2319 246TH PLACE, Lomita, CA 90717Los Angeles County
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What to check next
Frequently asked questions
Is Mainline Plumbing Services LLC licensed in California?
Yes. Mainline Plumbing Services LLC holds an active California state contractor license (CSLB #1145319), verified against the CSLB public record on June 17, 2026.
What is Mainline Plumbing Services LLC's CSLB license number?
Mainline Plumbing Services LLC's California contractor license number is 1145319. 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 Mainline Plumbing Services LLC licensed for?
Mainline Plumbing Services LLC is classified under Plumbing (C-36) by the CSLB.
How do I verify Mainline Plumbing Services LLC's license myself?
Look up license #1145319 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 #1145319 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.