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State files updated Oct 30, 2026
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California contractor license

El Maestro Plumber Inc

El Maestro Plumber Inc of Rodeo holds California license 975075 (C36 Plumbing). The CSLB file dated Oct 30, 2026 lists it as active.1 It expires Jul 31, 2028.

Licensed 14 years, longer than 58% of 9,636 active California plumbing contractors.

Active

El Maestro Plumber Inc, Rodeo

License
975075
Class
C36 Plumbing
Expires
Jul 31, 2028
Bond
$25,000
Workers' comp
Insured to Mar 1, 2027

CSLB file dated Oct 30, 2026

From the CSLB file dated Oct 30, 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 Oct 30, 2026. Confirm with the board: CSLB license check

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

Bond
$25,000American Contractors Indemnity Company, from Jan 1, 2023, continuous
Liability insurance
Not in the CSLB fileCheck with the board
Workers' comp
InsuredTechnology Insurance Company Inc, from Mar 1, 2026, to Mar 1, 2027

Who is on this license?

Officer
Manuel S. ServinSince Jul 19, 2012
Officer
Maria C. ServinSince Jul 19, 2012
Officer
Josue A. ServinSince Sep 9, 2014
Officer
Daniel A. ServinSince Oct 24, 2016
Officer
Miguel A. ServinSince Oct 24, 2016
Officer
Joel S. AvilaSince Feb 2, 2017
Responsible managing officer, CEO and president
Gilberto ServinSince Jul 19, 2012

What work does this license cover?

Issued Jul 19, 2012.

Which other Rodeo 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, Oct 30, 2026)
  2. Contractors State License Board (CSLB)