Mainstream Electric INC, C-10 Electrical Contractor in Hayward, CA
Mainstream Electric INC operating as a corporation holds an active California contractor license (CSLB #890180), valid through Jan 31, 2027. First issued in 2007, the license has been on the CSLB roster for 19 years. It carries a single CSLB classification: C-10 — Electrical 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 Hayward, in Alameda County, California.
- License Number
- 890180
- Issued
- Jan 26, 2007
- Status
- CLEAR
- Expires
- Jan 31, 2027
- Entity
- Corporation
- Surety
- American Contractors Indemnity Company
- Bond Number
- 101045818
- Effective
- Mar 11, 2026
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Jan 30, 2025
- 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 Mainstream Electric INC licensed in California?
Yes. Mainstream Electric INC holds California Contractors State License Board license number 890180, which is active and in good standing. The license was first issued on January 26, 2007. It is valid through January 31, 2027.
What does Mainstream Electric INC specialize in?
Mainstream Electric INC is licensed for one CSLB classification: C-10 Electrical Contractor.
Where is Mainstream Electric INC headquartered?
Mainstream Electric INC is headquartered at 24989 Plum Tree Street, Hayward, CA 94544, in Alameda County, California.
Does Mainstream Electric INC have an active surety bond on file with CSLB?
Yes. Mainstream Electric INC has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Mainstream Electric INC carry workers' compensation coverage?
Mainstream Electric INC reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Mainstream Electric INC's contractor license?
You can verify Mainstream Electric INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=890180.
- License issuedJan 26, 2007
- WC coverage startsJan 30, 2025
- Bond activeMar 11, 2026
- License expiresJan 31, 2027
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