TOP TIER BUILDING SERVICES INC
License
- Status
- CLEAR
- First issued
- November 24, 2025
- Expires
- November 30, 2027
- Entity
- Corporation
- Address of record
- 2867 GROVE WAY, Castro Valley, CA 94546
- Phone of record
- (510) 415 8993
Contractor bond
- Surety
- NATIONWIDE MUTUAL INSURANCE COMPANY
- Bond number
- 7901207795
- Amount
- $25,000
- Effective
- October 23, 2025
Workers’ compensation
- Carrier
- EMPLOYERS PREFERRED INSURANCE COMPANY
- Policy number
- EIG654487500
- Effective
- August 20, 2026
- Expires
- August 20, 2027
Are they licensed for your job?
A California contractor may only contract for work their classification covers. Pick the job and this reads the license on file against it.
Licensed to perform
A contractor may only contract for work within their classifications. See all 227 licensed general building contractors in Castro Valley.
People on this license
| Name | Title | Since | Through |
|---|---|---|---|
| ORAEI ALIREZA | Officer | November 24, 2025 | Current |
| TAHMASEBI MOHAMMAD REZA | Chief Executive Officer/President | November 24, 2025 | Current |
| XIA GUOJUN | Responsible Managing Officer | November 24, 2025 | Current |
Verified status badge
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Source: California Contractors State License Board public records. Coverage lapse is evaluated against today’s date; all other fields reflect the latest weekly CSLB file. Confirm at the CSLB’s official record before signing a contract.