Updated: May 15, 2026
Location and Projects
Address
10411 COMMERCE AVE, Tujunga, CA, 91042
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G Keystone Plumber
G Keystone Inc, 10411 Commerce Ave, Tujunga, CA (Employees: Hovik Geragosian and Hovik Geragosian) holds a Plumbing 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 G Keystone Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
G Keystone Inc Services
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G Keystone Inc Contact Information
Phone Number: (818) 279-5181
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Address: 10411 COMMERCE AVE, Tujunga, CA 91042
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Running 1 1/4 scheduled 40 steel gas pipe from the meter to serve water heater and spray booth 5 psi medium pressure
Valuation:
N/A
Permit #:
25042-30000-11591
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Medium gas pressure system
Valuation:
N/A
Permit #:
25042-10000-12114
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Remove the existing water heater and mop sink and install a new one
Valuation:
N/A
Permit #:
25042-90000-17363
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Trenching and installing a new 1-inch type l copper domestic water service line approx. 30 feet in length from meter to house connection. includes new shutoff valve fittings proper bedding/backfill and pressure testing per code. no changes to fixture count
Valuation:
N/A
Permit #:
BPA25-3303
Status:
triage
Fee:
N/A
Permit Type:
Residential
Building Type:
N/A
Supplemental permit 25042-90000-19173 to correct address from; 11719 w moorpark st. to; 11723 w moorpark st
Valuation:
N/A
Permit #:
25042-20001-19173
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Expansion tank installation
Valuation:
N/A
Permit #:
25042-90000-17955
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
G Keystone Inc License info
Verified License
| License # | 1124831 |
| Status | Active |
| State | California |
| Type | Plumbing |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for G Keystone Inc 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 | This License Filed A Contractor's Bond With |
| Bond Value | $25,000 |
G Keystone Inc Employees
HG
Hovik Geragosian
Rmo / Ceo / Pres
HG
Hovik Geragosian
Rmo / Ceo / Pres