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California contractor license

John Ciampoli Plumbing Inc

John Ciampoli Plumbing Inc of Spring Valley holds California license 964026 (B General Building, C36 Plumbing). The CSLB file dated Nov 1, 2026 lists it as active.1 It expires Mar 31, 2027.

Licensed 15 years, longer than 76% of 26 active Spring Valley plumbing contractors.

Active

John Ciampoli Plumbing Inc, Spring Valley

License
964026
Class
B General Building; C36 Plumbing
Expires
Mar 31, 2027
Bond
$25,000
Workers' comp
Insured to Jan 9, 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
$25,000North River Insurance Company (The), from Mar 27, 2023, continuous
Liability insurance
Not in the CSLB fileCheck with the board
Workers' comp
InsuredOmaha National Casualty Company, from Jan 9, 2026, to Jan 9, 2027

Who is on this license?

Officer
Teresa R. CiampoliSince Mar 27, 2023
Responsible managing officer, CEO and president
John G. CiampoliSince Aug 2, 2011

What work does this license cover?

Issued Aug 2, 2011. Inactive Oct 11, 2011 to Dec 10, 2018. Reissued Mar 27, 2023.

Which other Spring Valley businesses hold B General Building?

California plumbing contractorsGeneral Contractors in Spring ValleyCalifornia general 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)