Service # 1 Plumbing INC
Service # 1 Plumbing INC operating as a corporation is licensed in California under CSLB number 1088697. The license was first issued in 2022, putting the business at 4 years on the active CSLB roster. It carries a single CSLB classification: C-36 — Plumbing Contractor. Records show an active surety bond on file with Atlantic Specialty Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in Hayward, in Alameda County, California.
- License Number
- 1088697
- Issued
- Mar 16, 2022
- Status
- CLEAR
- Expires
- Mar 31, 2028
- Entity
- Corporation
- Surety
- Atlantic Specialty Insurance Company
- Bond Number
- 800213695
- Effective
- Feb 14, 2026
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Feb 7, 2026
- Expires
- —
This contractor warrants a closer look before contracting:
- Workers' comp listed as exempt
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Service # 1 Plumbing INC licensed in California?
Yes. Service # 1 Plumbing INC holds California Contractors State License Board license number 1088697. The license was first issued on March 16, 2022. It is valid through March 31, 2028.
What does Service # 1 Plumbing INC specialize in?
Service # 1 Plumbing INC is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is Service # 1 Plumbing INC headquartered?
Service # 1 Plumbing INC is headquartered at 345 Blossom Way, Hayward, CA 94541, in Alameda County, California.
Does Service # 1 Plumbing INC have an active surety bond on file with CSLB?
Yes. Service # 1 Plumbing INC has an active California contractor surety bond filed with Atlantic Specialty Insurance Company.
Does Service # 1 Plumbing INC carry workers' compensation coverage?
Service # 1 Plumbing INC reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Service # 1 Plumbing INC's contractor license?
You can verify Service # 1 Plumbing INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1088697.
- License issuedMar 16, 2022
- WC coverage startsFeb 7, 2026
- Bond activeFeb 14, 2026
- License expiresMar 31, 2028
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