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State files updated Oct 29, 2026
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California contractor license

Bayline Mechanical Inc

Bayline Mechanical Inc of S San Francisco holds California license 342012 (C36 Plumbing). The CSLB file dated Oct 29, 2026 lists it as active.1 It expires Apr 30, 2028.

Licensed 49 years, longer than 97% of 9,636 active California plumbing contractors.

Active

Bayline Mechanical Inc, S San Francisco

License
342012
Class
C36 Plumbing
Expires
Apr 30, 2028
Bond
$25,000
Workers' comp
Insured to Oct 1, 2027

CSLB file dated Oct 29, 2026

From the CSLB file dated Oct 29, 2026. Not a consumer report; check the board before you hire.

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

Bond
$25,000Harco National Insurance Company, from Jan 1, 2023, continuous
Liability insurance
Not in the CSLB fileCheck with the board
Workers' comp
InsuredTravelers Property Casualty Company Of America, from Oct 1, 2026, to Oct 1, 2027

Who is on this license?

Officer
Kevin F. CaraccioloSince Apr 29, 2004
Officer
Rose M. CaraccioloSince Apr 29, 2004
Responsible managing officer, CEO and president
Daniel M. CaraccioloSince Apr 29, 2004

What work does this license cover?

Issued Aug 8, 1977. Reactivated Jun 24, 1992. Reissued Apr 29, 2004.

Where are other licensed California contractors listed?

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 29, 2026)
  2. Contractors State License Board (CSLB)