Updated: Apr 15, 2026
Location and Projects
Address
P O BOX 1809, Mill Valley, CA, 94942
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Redwood Security Systems Electrician
Redwood Security Systems Inc, Mill Vly, Po Box 1809, Mill Valley, CA (Employees: Richard Dean Rider and Robert Joseph Nagy) holds a Low Voltage Systems, Electrical license and 1 other license according to the California license board.
Their BuildZoom score of 113 ranks in the top 3% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Redwood Security Systems Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Redwood Security Systems Inc Contact Information
Phone Number: (415) 388-5355
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Address: P O BOX 1809, Mill Valley, CA 94942
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Redwood Security Systems Inc Mill Valley
Quality
113
97th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Redwood Security Systems Inc has a BuildZoom score of 113, which places them above 97% of 336,931 contractors in California.
Activity
|
16 projects
|
2025 |
|
11 projects
|
2024 |
|
12 projects
|
2023 |
Our building permit records indicate that Redwood Security Systems Inc has worked on at least
39.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
22 projects
|
Electrical projects |
Analyzing permits over the last 4 years shows that Redwood Security Systems Inc mostly works on
electrical project
projects.
Pricing
|
14 projects
|
< $5k |
|
16 projects
|
$5k-$20k |
The typical size of their permits is approximately $5,248. This graph shows the distribution of these job values.
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
Building Permits by Redwood Security Systems Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Online electrical permit: category 4a: installation of fire warning and controlled devices of up to 2 500 ft². life safety sprinkler monitoring inspection and test
Valuation:
N/A
Permit #:
E202505192537
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Online electrical permit: category 4a: installation of fire warning and controlled devices of up to 2 500 ft². life safety sprinkler monitoring inspection and test
Valuation:
N/A
Permit #:
E202505192536
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Online electrical permit: category 4a: installation of fire warning and controlled devices of 2 501 - 5 000 ft². sprinkler flow and life safety test
Valuation:
N/A
Permit #:
E202502270459
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Online electrical permit: category 4a: installation of fire warning and controlled devices of 2 501 - 5 000 ft². sprinkler flow and life safety test
Valuation:
N/A
Permit #:
E202502270458
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Online electrical permit: category 4a: installation of fire warning and controlled devices of up to 2 500 ft². witness test for the life safety sprinkler test
Valuation:
N/A
Permit #:
E202508285158
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Sprinkler flow monitoring system for both buildings. ref fire sprinkler permits: 202306139920 and 202503283300
Valuation:
$3,000
Permit #:
202504245151
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Sprinkler flow monitoring system for both buildings. ref fire sprinkler permits: 202306139920 and 202503283300
Valuation:
$3,000
Permit #:
202504245151
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Online electrical permit: category 4a: installation of fire warning and controlled devices of 2 501 - 5 000 ft². life safety test of the 13r sprinkler alarm
Valuation:
N/A
Permit #:
E202508064514
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Online electrical permit: category 4a: installation of fire warning and controlled devices of 2 501 - 5 000 ft². life safety test of the 13r sprinkler alarm
Valuation:
N/A
Permit #:
E202508064513
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Online electrical permit: category 4a: installation of fire warning and controlled devices of up to 2 500 ft². electrical inspection of sprinkler water flow monitoring life safety test
Valuation:
N/A
Permit #:
E202411078057
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Sprinkler flow monitoring. ref to f/s pa# 202407116235 & tenant improvement. 202211227078
Valuation:
$14,600
Permit #:
202504245141
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Online electrical permit: category 4a: installation of fire warning and controlled devices of 2 501 - 5 000 ft². life safety sprinkler test
Valuation:
N/A
Permit #:
E202507234129
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Online electrical permit: category 4a: installation of fire warning and controlled devices of 2 501 - 5 000 ft². life safety sprinkler test
Valuation:
N/A
Permit #:
E202507234128
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Online electrical permit: category 4a: installation of fire warning and controlled devices of up to 2 500 ft². life safety test-electrical inspection of water flow monitoring
Valuation:
N/A
Permit #:
E202411078058
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Online electrical permit: category 4a: installation of fire warning and controlled devices of 2, 501 - 5, 000 ft². electrical inspection of sprinkler flow monitoring/life safety
Valuation:
N/A
Permit #:
E202404103671
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Online electrical permit: 4 of 4 - 9 floors. life safety sprinkler monitoring test
Valuation:
N/A
Permit #:
E202505192535
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Online electrical permit: category 4a: installation of fire warning and controlled devices of up to 2, 500 ft². life safety inspection of sprinkler flow monitoring
Valuation:
N/A
Permit #:
E202411068033
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Online electrical permit: category 4a: installation of fire warning and controlled devices of 2, 501 - 5, 000 ft². electrical inspections of sprinkler flow monitoring
Valuation:
N/A
Permit #:
E202405284626
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Online electrical permit: category 4a: installation of fire warning and controlled devices of up to 2, 500 ft². life safety test for sprinkler flow monitoring
Valuation:
N/A
Permit #:
E202401312142
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Online electrical permit: category 4a: installation of fire warning and controlled devices of up to 2, 500 ft². life safety test for sprinkler flow monitoring
Valuation:
N/A
Permit #:
E202402132395
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Redwood Security Systems Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
Redwood Security Systems Inc License info
Verified License
| License # | 426887 |
| Status | Active |
| State | California |
| Type | Low Voltage Systems, Electrical |
| Business Type | Corporation |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Redwood Security Systems Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 426887 |
| Status | Active |
| Town | Atherton |
| Type | Contractor, Licensed Contractor |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of August, 2018. Check the current license status of Redwood Security Systems Inc with the The Town of Atherton, CA
This is a sample of licensing data; click here to access a complete history.
113
BuildZoom Score
Insured
| Insurer | State Compensation Insurance Fund |
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
66
Permits
- Building permit records show that Redwood Security Systems Inc has worked on 66 permitted projects.
Redwood Security Systems Inc Employees
RR
Richard Dean Rider
Rmo / Ceo / Pres
RN
Robert Joseph Nagy
Officer