Updated: Jun 13, 2026
Location
Address
818 W 7TH ST STE 440, Los Angeles, CA, 90017
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Tierzero Low Voltage Contractor
Tierzero, 818 W 7th St, Los Angeles, CA (Employees: Jesus Jose Salas Retana and John Erwin Carter) holds a Low Voltage Systems 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 Tierzero, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Tierzero Services
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Tierzero Contact Information
Phone Number: (213) 784-1400
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Address: 818 W 7TH ST STE 440, Los Angeles, CA 90017
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Verified License
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Tierzero License info
Verified License
| License # | 1103605 |
| Status | Active |
| State | California |
| Type | Low Voltage Systems |
| Business Type | Corporation |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Tierzero 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 | This License Filed A Contractor's Bond With |
| Bond Value | $25,000 |
Insured
| Workers Comp Provider | Allmerica Financial Benefit Insurance Company |
Tierzero Employees
JR
Jesus Jose Salas Retana
Rme
JC
John Erwin Carter
Ceo / President