Mainline Plumbing
Verified against CSLB on · View on CSLB
License details
- License number
- 901735
- Status
- Active
- Classifications
- C-36 · Plumbing
- Contractor bond
- $25,000
- Workers' comp
- Covered
- License term on file
- August 8, 2007 – August 31, 2027
Business
- (310) 433 1259 (CSLB public record)
- 2319 246TH PLACE, Lomita, CA 90717Los Angeles County
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Frequently asked questions
Is Mainline Plumbing licensed in California?
Yes. Mainline Plumbing holds an active California state contractor license (CSLB #901735), verified against the CSLB public record on June 17, 2026.
What is Mainline Plumbing's CSLB license number?
Mainline Plumbing's California contractor license number is 901735. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=901735
What kind of work is Mainline Plumbing licensed for?
Mainline Plumbing is classified under Plumbing (C-36) by the CSLB.
How do I verify Mainline Plumbing's license myself?
Look up license #901735 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=901735. This page reflects the CSLB public record as of June 17, 2026.
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.