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California contractor license
The Leak Authority
The Leak Authority of Vallejo holds California license 1078389 (C36 Plumbing). The CSLB file dated Oct 31, 2026 lists it as active.1 It expires Sep 30, 2027.
Doing business as Hydronos Corporation.
Active
The Leak Authority, Vallejo
- License
- 1078389
- Class
- C36 Plumbing
- Expires
- Sep 30, 2027
- Bond
- $25,000
- Workers' comp
- Exempt
CSLB file dated Oct 31, 2026
From the CSLB file dated Oct 31, 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 31, 2026. Confirm with the board: CSLB license check
What bond, insurance and workers' comp are on file?
- Bond
- $25,000American Contractors Indemnity Company, from Sep 8, 2025, continuous
- Liability insurance
- Not in the CSLB fileCheck with the board
- Workers' comp
- Exemptfrom Sep 3, 2025
Who is on this license?
- Responsible managing officer, CEO and president
- John C. StephensonSince Jul 20, 2021
What work does this license cover?
Issued Jul 20, 2021. Reissued Sep 8, 2025.
The workers' comp exemption means the holder told the CSLB it has no employees. If a crew works on your job, ask for a workers' comp certificate.
Which other Vallejo businesses hold C36 Plumbing?
- Live Action Plumbing IncLicensed since 2016
- Gd3 Plumbing SolutionsLicensed since 2020
- Sons Of Glory Plumbing LLCLicensed since 2022
- American Plumbing And Trenchless LLCLicensed since 2025
- Waterwaze Innovative Plumbing SolutionsLicensed since 2025
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 31, 2026)
- Contractors State License Board (CSLB)