Masterline Plumbing Inc
Verified against CSLB on · View on CSLB
License details
- License number
- 990945
- Status
- Active
- Classifications
- B · General BuildingC-36 · Plumbing
- Contractor bond
- $25,000
- Workers' comp
- Covered
- License term on file
- February 27, 2014 – February 29, 2028
Business
- (909) 463 6697 (CSLB public record)
- 9295 9TH ST, Rancho Cucamonga, CA 91730San Bernardino County
Are you Masterline Plumbing Inc? 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.
Frequently asked questions
Is Masterline Plumbing Inc licensed in California?
Yes. Masterline Plumbing Inc holds an active California state contractor license (CSLB #990945), verified against the CSLB public record on June 17, 2026.
What is Masterline Plumbing Inc's CSLB license number?
Masterline Plumbing Inc's California contractor license number is 990945. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=990945
What kind of work is Masterline Plumbing Inc licensed for?
Masterline Plumbing Inc is classified under General Building (B) by the CSLB.
How do I verify Masterline Plumbing Inc's license myself?
Look up license #990945 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=990945. 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.