Cornerstone Plumbing, C-36 Plumbing Contractor in Escondido, CA
Cornerstone Plumbing operating as a sole owner holds California contractor license #878380, which is currently expired (lapsed May 31, 2026) and not valid to contract until it is renewed. First issued in 2006, the license has been on the CSLB roster for 20 years. It carries a single CSLB classification: C-36 — Plumbing Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and an exempt workers' compensation status (no employees on payroll). The business is based in Escondido, in San Diego County, California.
- License Number
- 878380
- Issued
- May 25, 2006
- Status
- CLEAR
- Expires
- May 31, 2026
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100836842
- Effective
- Feb 29, 2024
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- May 21, 2024
- 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 Cornerstone Plumbing licensed in California?
Cornerstone Plumbing previously held California Contractors State License Board license number 878380, but the license expired on May 31, 2026 and is not currently valid. It was first issued on May 25, 2006.
What does Cornerstone Plumbing specialize in?
Cornerstone Plumbing is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is Cornerstone Plumbing headquartered?
Cornerstone Plumbing is headquartered at 2964 Hill Valley Dr, Escondido, CA 92029, in San Diego County, California.
Does Cornerstone Plumbing have an active surety bond on file with CSLB?
Yes. Cornerstone Plumbing has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Cornerstone Plumbing carry workers' compensation coverage?
Cornerstone Plumbing reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Cornerstone Plumbing's contractor license?
You can verify Cornerstone Plumbing's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=878380.
- License issuedMay 25, 2006
- Bond activeFeb 29, 2024
- WC coverage startsMay 21, 2024
- License expiredMay 31, 2026
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