#1 Son Plumbing INC, C-36 Plumbing Contractor in Highland, CA
#1 Son Plumbing INC operating as a corporation holds California contractor license #1066881, which is currently expired (lapsed Jul 31, 2026) and not valid to contract until it is renewed. First issued in 2020, the license has been on the CSLB roster for 6 years. It carries a single CSLB classification: C-36 — Plumbing Contractor. Records show an active surety bond on file with Atlantic Specialty Insurance Company and active workers' compensation coverage from Great American Alliance Insurance Company. The business is based in Highland, in San Bernardino County, California.
- License Number
- 1066881
- Issued
- Jul 10, 2020
- Status
- CLEAR
- Expires
- Jul 31, 2026
- Entity
- Corporation
- Surety
- Atlantic Specialty Insurance Company
- Bond Number
- 800213415
- Effective
- Mar 12, 2026
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Great American Alliance Insurance Company
- Policy Number
- WCF46679100
- Effective
- Feb 7, 2026
- Expires
- Feb 7, 2027
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 #1 Son Plumbing INC licensed in California?
#1 Son Plumbing INC previously held California Contractors State License Board license number 1066881, but the license expired on July 31, 2026 and is not currently valid. It was first issued on July 10, 2020.
What does #1 Son Plumbing INC specialize in?
#1 Son Plumbing INC is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is #1 Son Plumbing INC headquartered?
#1 Son Plumbing INC is headquartered at P O Box 756, Highland, CA 92346, in San Bernardino County, California.
Does #1 Son Plumbing INC have an active surety bond on file with CSLB?
Yes. #1 Son Plumbing INC has an active California contractor surety bond filed with Atlantic Specialty Insurance Company.
Does #1 Son Plumbing INC carry workers' compensation coverage?
Yes. #1 Son Plumbing INC carries active workers' compensation coverage through Great American Alliance Insurance Company.
How do I verify #1 Son Plumbing INC's contractor license?
You can verify #1 Son Plumbing INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1066881.
- License issuedJul 10, 2020
- WC coverage startsFeb 7, 2026
- Bond activeMar 12, 2026
- License expiredJul 31, 2026
- WC expiresFeb 7, 2027
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