Updated: Jul 14, 2026
Location and Projects
Address
3222 E WILLOW STREET, Signal Hill, CA, 90755
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WJS Construction
WJS Inc, 3222 E Willow St, Signal Hill, CA (Employees: Thuy Ngoc Nguyen and William John Sieloff) holds a General Building license and 1 other license according to the California license board.
Their BuildZoom score of 93 ranks in the top 27% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring WJS Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
WJS Inc Services
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WJS Inc Contact Information
Phone Number: (562) 290-8877
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Address: 3222 E WILLOW STREET, Signal Hill, CA 90755
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Design and construction of decor and display for shows and events
Valuation:
$0
Permit #:
BUS2011-02376
Status:
Active
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
General building contractor
Valuation:
$0
Permit #:
BUS1998-040731
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Verified License
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WJS Inc License info
Verified License
| License # | 763801 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for WJS Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 526657 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for WJS Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
Bonded
| Bonded Agent | Western Surety Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Preferred Professional Insurance |
WJS Inc Employees
TN
Thuy Ngoc Nguyen
Officer
WS
William John Sieloff
Rmo / Ceo / Pres