Updated: Apr 11, 2026
Location
Address
3442 SKILLMAN LANE, Petaluma, CA, 94952
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4 Am Systems Low Voltage Contractor
4 Am Systems, 3442 Skillman Ln, Petaluma, CA (Owned by: Declan Anthony Grant) holds a Low Voltage Systems 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 4 Am Systems, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
4 Am Systems Services
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4 Am Systems Contact Information
Phone Number: (707) 773-4699
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Address: 3442 SKILLMAN LANE, Petaluma, CA 94952
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Verified License
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4 Am Systems License info
Verified License
| License # | 730192 |
| Status | Active |
| State | California |
| Type | Low Voltage Systems |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for 4 Am Systems 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 | American Contractors Indemnity Company |
| Bond Value | $15,000 |
4 Am Systems Employees
DG
Declan Anthony Grant
Owner