Updated: May 31, 2026
Location
Address
P O BOX 1024, Mill Valley, CA, 94942
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Sunco Systems Plumber
Sunco Systems Inc at P O BOX 1024, Mill Valley, CA 94942, held a Plumber license (#469397) with the California contractors license board with an expiration date of 02-28-1987. We last verified the license was expired on 05-30-2026.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 336,931 California contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our project planner to be easily matched to qualified, licensed professionals in your area.
Sunco Systems Inc Services
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Sunco Systems Inc Contact Information
Address: P O BOX 1024, Mill Valley, CA 94942
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Sunco Systems Inc License info
Inactive License
| License # | 469397 |
| Status | Inactive |
| State | California |
| Type | Plumbing |
| 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 Sunco Systems Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
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- *No active license on file. If you are Sunco Systems Inc, click “This is My Business” to update your information.
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $5,000 |
Sunco Systems Inc Employees
GN
Guy Gerard Nosti
Ceo / President
JR
James Arthur Roberts
Rmo
SN
Sandra Ann Meyers Nosti
Officer