Updated: Dec 21, 2025
Location and Projects
Address
3115 1/2 ISABEL AVENUE, Rosemead, CA, 91770
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Si Wen Xu Construction
Si Wen Xu, 3115-1 2nd Ave, Rosemead, CA (Employee: Siwen Xu) holds a General Building license according to the California license board.
Their BuildZoom score of 92 ranks in the top 32% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Si Wen Xu, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Si Wen Xu Services
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Si Wen Xu Contact Information
Phone Number: (626) 503-0581
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Address: 3115 1/2 ISABEL AVENUE, Rosemead, CA 91770
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Request to establish body and foot massage parlor within suite a and b within an existing multi-tenant commercial complex
Valuation:
N/A
Permit #:
ADP16-025
Status:
approved
Fee:
$1,020
Permit Type:
N/A
Building Type:
N/A
Calwater renew 2 service line open trench
Valuation:
N/A
Permit #:
X25-00392
Status:
issued
Fee:
$766
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Si Wen Xu License info
Verified License
| License # | 1139108 |
| Status | Active |
| State | California |
| Type | General Building |
| Date Issued | 06-18-2025 |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for Si Wen Xu at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
92
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $25,000 |
Si Wen Xu Employees
SX
Siwen Xu
Sole Owner