Advanced Tankless and Plumbing, C-36 Plumbing Contractor in Diamond Bar, CA
Advanced Tankless and Plumbing operating as a sole owner holds California contractor license #1121827, which is currently expired (lapsed Jun 30, 2026) and not valid to contract until it is renewed. First issued in 2024, the license has been on the CSLB roster for 2 years. It carries a single CSLB classification: C-36 — Plumbing Contractor. Records show an active surety bond on file with North River Insurance Company (the) and an exempt workers' compensation status (no employees on payroll). The business is based in Diamond Bar, in Los Angeles County, California.
- License Number
- 1121827
- Issued
- Jun 6, 2024
- Status
- CLEAR
- Expires
- Jun 30, 2026
- Entity
- Sole Owner
- Surety
- North River Insurance Company (the)
- Bond Number
- 04CF644457
- Effective
- Jun 10, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Dec 27, 2023
- Expires
- —
This contractor has a compliance issue in its public CSLB record:
- License expired
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Advanced Tankless and Plumbing licensed in California?
Advanced Tankless and Plumbing previously held California Contractors State License Board license number 1121827, but the license expired on June 30, 2026 and is not currently valid. It was first issued on June 6, 2024.
What does Advanced Tankless and Plumbing specialize in?
Advanced Tankless and Plumbing is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is Advanced Tankless and Plumbing headquartered?
Advanced Tankless and Plumbing is headquartered at 23535 Palomino Drive #185, Diamond Bar, CA 91765, in Los Angeles County, California.
Does Advanced Tankless and Plumbing have an active surety bond on file with CSLB?
Yes. Advanced Tankless and Plumbing has an active California contractor surety bond filed with North River Insurance Company (the).
Does Advanced Tankless and Plumbing carry workers' compensation coverage?
Advanced Tankless and Plumbing reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Advanced Tankless and Plumbing's contractor license?
You can verify Advanced Tankless and Plumbing's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1121827.
- WC coverage startsDec 27, 2023
- License issuedJun 6, 2024
- Bond activeJun 10, 2025
- License expiredJun 30, 2026
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