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California contractor license

Bellanti Plumbing Inc

Bellanti Plumbing Inc of So San Francisco holds California license 327664 (C4 Boiler, Hot Water Heating and Steam Fitting, C16 Fire Protection, C36 Plumbing). The CSLB file dated Nov 1, 2026 lists it as active.1 It expires Apr 30, 2027.

Licensed 49 years, longer than 97% of 9,564 active California plumbing contractors.

Active

Bellanti Plumbing Inc, So San Francisco

License
327664
Class
C4 Boiler, Hot Water Heating and Steam Fitting; C16 Fire Protection; C36 Plumbing
Expires
Apr 30, 2027
Bond
$25,000
Workers' comp
Insured to May 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
$25,000Western Surety Company, from Jan 1, 2023, continuous
Liability insurance
Not in the CSLB fileCheck with the board
Workers' comp
InsuredSecurity National Insurance Company, from May 1, 2026, to May 1, 2027

Who is on this license?

Responsible managing officer
Joseph A. BellantiSince Apr 6, 1987
Responsible managing officer, CEO and president
Ronald J. BellantiSince Apr 6, 1987

What work does this license cover?

Issued Nov 5, 1976.

Where are other licensed California contractors listed?

California plumbing contractorsCalifornia HVAC 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)