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California contractor license
A B P Backflow Inc
A B P Backflow Inc of San Diego holds California license 1032328 (C36 Plumbing). The CSLB file dated Oct 29, 2026 lists it as active.1 It expires Oct 31, 2027.
Active
A B P Backflow Inc, San Diego
- Workers' comp on file ended Sep 27, 2026.
- Workers' comp has a cancellation date on file: Sep 27, 2026.
- License
- 1032328
- Class
- C36 Plumbing
- Expires
- Oct 31, 2027
- Bond
- $25,000
- Workers' comp
- Insured to Sep 27, 2026
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
- $25,000Atlantic Specialty Insurance Company, from Jun 8, 2026, continuous
- Liability insurance
- Not in the CSLB fileCheck with the board
- Workers' comp
- InsuredState Compensation Insurance Fund, from Sep 27, 2025, to Sep 27, 2026, cancel date Sep 27, 2026
Who is on this license?
- Officer
- Robert J. GallagherSince Oct 31, 2017
- Responsible managing officer, CEO and president
- Jeffrey S. SadoskiSince Oct 31, 2017
What work does this license cover?
Issued Oct 31, 2017.
A cancellation date is on file for a bond or policy. Ask for a current certificate before work starts.
Which other San Diego businesses hold C36 Plumbing?
- A A A All Drains Plumbing & Drains
- A A B Plumbing Inc
- A Honest Plumber LLC
- A Palma Plumbing
- A Plus Park Plumbing
Plumbing Contractors in San DiegoCalifornia plumbing contractors
What should you check before hiring?
What to ask before you hire
- Get the license number in writing. The name on the license should match the name on your contract and invoice.
- Check the class covers the job. A license for one trade doesn't cover another. California license classes
- Ask for a certificate of insurance sent to you by the insurance agent, not handed over by the contractor. How to read a COI
- 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.
- 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
- Don't sign or pay a deposit until the CSLB shows the license active again.
- 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.
- If work has started, hold further payments, keep the contract, receipts and photos, and file a complaint with Contractors State License Board (CSLB).
- Check another contractor. California license lookup
Sources
- CSLB License Master (cslb.ca.gov, Oct 29, 2026)
- Contractors State License Board (CSLB)