Top Tier Building Services INC, B General Building Contractor in Castro Valley, CA
Top Tier Building Services INC operating as a corporation holds an active California contractor license (CSLB #1146790), valid through Nov 30, 2027. First issued in 2025, the license has been on the CSLB roster for 1 year. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Nationwide Mutual Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in Castro Valley, in Alameda County, California.
- License Number
- 1146790
- Issued
- Nov 24, 2025
- Status
- CLEAR
- Expires
- Nov 30, 2027
- Entity
- Corporation
- Surety
- Nationwide Mutual Insurance Company
- Bond Number
- 7901207795
- Effective
- Oct 23, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Nov 20, 2025
- Expires
- —
Recently licensed: the CSLB license is active and in good standing, issued within the last 2 years.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Top Tier Building Services INC licensed in California?
Yes. Top Tier Building Services INC holds California Contractors State License Board license number 1146790, which is active and in good standing. The license was first issued on November 24, 2025. It is valid through November 30, 2027.
What does Top Tier Building Services INC specialize in?
Top Tier Building Services INC is licensed for one CSLB classification: B General Building Contractor.
Where is Top Tier Building Services INC headquartered?
Top Tier Building Services INC is headquartered at 2867 Grove Way, Castro Valley, CA 94546, in Alameda County, California.
Does Top Tier Building Services INC have an active surety bond on file with CSLB?
Yes. Top Tier Building Services INC has an active California contractor surety bond filed with Nationwide Mutual Insurance Company.
Does Top Tier Building Services INC carry workers' compensation coverage?
Top Tier Building Services INC reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Top Tier Building Services INC's contractor license?
You can verify Top Tier Building Services INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1146790.
- Bond activeOct 23, 2025
- WC coverage startsNov 20, 2025
- License issuedNov 24, 2025
- License expiresNov 30, 2027
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