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California contractor license

Western Plumbing Corporation

Western Plumbing Corporation of Oakdale holds California license 672207 (C36 Plumbing). The CSLB file dated Nov 1, 2026 lists it as active.1 It expires Feb 28, 2027.

Licensed 33 years, longer than 87% of 9,564 active California plumbing contractors.

Active

Western Plumbing Corporation, Oakdale

License
672207
Class
C36 Plumbing
Expires
Feb 28, 2027
Bond
$25,000
Workers' comp
Employee leasing to Apr 1, 2027

CSLB file dated Nov 1, 2026

From the CSLB file dated Nov 1, 2026. Not a consumer report; check the board before you hire.

Has the board taken action on this license?

None in the CSLB file dated Nov 1, 2026. Confirm with the board: CSLB license check

What bond, insurance and workers' comp are on file?

Bond
$25,000Nationwide Mutual Insurance Company, from Feb 28, 2025, continuous
Liability insurance
Not in the CSLB fileCheck with the board
Workers' comp
Employee leasingAce American Insurance Company, from Apr 1, 2026, to Apr 1, 2027

Who is on this license?

Responsible managing officer, CEO and president
Daniel M. SibleySince Jun 2, 1993

What work does this license cover?

Issued Jun 2, 1993. Reissued Feb 28, 2025.

Which other Oakdale businesses hold C36 Plumbing?

California plumbing contractors

What should you check before hiring?

What to ask before you hire

  1. Get the license number in writing. The name on the license should match the name on your contract and invoice.
  2. Check the class covers the job. A license for one trade doesn't cover another. California license classes
  3. Ask for a certificate of insurance sent to you by the insurance agent, not handed over by the contractor. How to read a COI
  4. Ask who will be on site. If a crew works on your property, ask for proof of workers' comp. An exemption on file means the contractor told the CSLB it has no employees.
  5. Put it in a written contract: license number, price, start date and payment schedule. Check the license again on the day you sign.

If the license is lapsed

  1. Don't sign or pay a deposit until the CSLB shows the license active again.
  2. Ask the contractor why. For a bond or insurance lapse, ask for proof that the new bond or policy was filed with the CSLB, then check again.
  3. If work has started, hold further payments, keep the contract, receipts and photos, and file a complaint with Contractors State License Board (CSLB).
  4. Check another contractor. California license lookup

Sources

  1. CSLB License Master (cslb.ca.gov, Nov 1, 2026)
  2. Contractors State License Board (CSLB)