Contractor License Proof

Sierra Plumbing & Drain Cleaning

Licensed

Verified against CSLB on · View on CSLB

License details

License number
1099231
Status
Active
Classifications
C-36 · Plumbing
Contractor bond
$25,000
Workers' comp
ExemptNo employees — not a red flag.
License term on file
December 1, 2022 – December 31, 2026

Business

  • (909) 868 8396 (CSLB public record)
  • 2479 ALDER STREET, Pomona, CA 91767Los Angeles County

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Frequently asked questions

Is Sierra Plumbing & Drain Cleaning licensed in California?

Yes. Sierra Plumbing & Drain Cleaning holds an active California state contractor license (CSLB #1099231), verified against the CSLB public record on June 17, 2026.

What is Sierra Plumbing & Drain Cleaning's CSLB license number?

Sierra Plumbing & Drain Cleaning's California contractor license number is 1099231. 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 Sierra Plumbing & Drain Cleaning licensed for?

Sierra Plumbing & Drain Cleaning is classified under Plumbing (C-36) by the CSLB.

How do I verify Sierra Plumbing & Drain Cleaning's license myself?

Look up license #1099231 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 #1099231 on CSLB

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See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.