Updated: May 02, 2026
Location and Projects
Address
145 E DUARTE RD STE 1039, Arcadia, CA, 91006
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Gcst plumbing LLC
Gcst plumbing LLC, 145 E Duarte Rd, Arcadia, CA (Employee: Geng Chen) holds a Plumbing license according to the California license board.
Their BuildZoom score of 94 ranks in the top 24% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Gcst plumbing LLC, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Gcst plumbing LLC Services
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Gcst plumbing LLC Contact Information
Phone Number: (626) 673-6144
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Address: 145 E DUARTE RD STE 1039, Arcadia, CA 91006
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This is a sample of this contractor's permits. Click here to access their complete permit history.
New 1 gas line & shock absorber valve
Valuation:
N/A
Permit #:
PLMB25-0026
Status:
final
Fee:
$85
Permit Type:
Low pressure gas ...
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Gcst plumbing LLC License info
Verified License
| License # | 1136718 |
| Status | Active |
| State | California |
| Type | Plumbing |
| Business Type | Ltd Liability |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Gcst plumbing LLC at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
94
BuildZoom Score
Insured
| Insurer | Mount Vernon Fire Insurance Company |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Western Surety Company |
| Bond Value | $25,000 |
Gcst plumbing LLC Employees
GC
Geng Chen
Rmg