Updated: May 28, 2026
Location and Projects
Address
4538 SANTA ANITA AVE, El Monte, CA, 91731
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Ers Security Alarm System Plumber
Ers Security Alarm System, 4538 Santa Anita Ave, El Monte, CA (Employee: David Chao) holds a Electrical license according to the California license board.
Their BuildZoom score of 91 ranks in the top 37% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Ers Security Alarm System, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Ers Security Alarm System Services
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Ers Security Alarm System Contact Information
Phone Number: (626) 579-2525
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Address: 4538 SANTA ANITA AVE, El Monte, CA 91731
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Ers Security Alarm System El Monte
Quality
91
63rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Ers Security Alarm System has a BuildZoom score of 91, which places them above 63% of 336,931 contractors in California.
Activity
|
4 projects
|
2025 |
|
2 projects
|
2024 |
|
4 projects
|
2023 |
Our building permit records indicate that Ers Security Alarm System has worked on at least
10.0 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
|
3 projects
|
Commercial Renovations |
|
3 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that Ers Security Alarm System mostly works on
plumbing project
and commercial renovation
projects.
Pricing
|
2 projects
|
< $5k |
|
1 project
|
$5k-$20k |
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 Ers Security Alarm System
This is a sample of this contractor's permits. Click here to access their complete permit history.
Install (n) fire sprinkler monitoring system for shell additional tenant improvements may require additional plan checks and permits as per approved plans
Valuation:
$15,120
Permit #:
FIRC-2025-0001
Status:
complete
Fee:
$830
Permit Type:
N/A
Building Type:
N/A
Sr# 547876; relocate the existing facp remote annunciator smoke detector input modules and notification appliances and install (3) input modules for new duct smoke detectors(by others) for tenant improvement of an existing building
Valuation:
$0
Permit #:
FIRE-2024-00070
Status:
issued
Fee:
$70
Permit Type:
N/A
Building Type:
N/A
3(n) input modules to supervise new ansul systems (by others) and relocate the existing annunciator manual pull station and horn/strobe for tenant improvement of an existing suite in an existing building. connect the new devices to the existing fire sprinkler monitoring system. - metro supermarket
Valuation:
N/A
Permit #:
PMT2023-04414
Status:
complete
Fee:
$1,144
Permit Type:
N/A
Building Type:
N/A
Install a new cellular communicator and connect to the existing fire alarm system in an existing building. 1 device (moen enterprises)
Valuation:
N/A
Permit #:
PMT2025-00937
Status:
final
Fee:
$1,137
Permit Type:
N/A
Building Type:
N/A
Tenant improvement. fire alarm
Valuation:
N/A
Permit #:
ALRM25-0007
Status:
issued
Fee:
$368
Permit Type:
Fire alarm commer...
Building Type:
N/A
Install (n) input modules to supervise (n) wet chemical ansul hood system and (3) duct smoke detectors to (e) sprinkler monitoring system as per approved plans a tenant improvement for an existing fire alarm in an existing building
Valuation:
$9,500
Permit #:
FIRC-2025-0072
Status:
issued
Fee:
$855
Permit Type:
N/A
Building Type:
N/A
Install a new cellular communicator (1 device)and connect to the existing fire alarm system in an existing building- asia buffet
Valuation:
N/A
Permit #:
PMT2023-03453
Status:
final
Fee:
$1,058
Permit Type:
N/A
Building Type:
N/A
(b) alarm tenant improvement (1) device
Valuation:
N/A
Permit #:
FPCK23-000187
Status:
approved
Fee:
$541
Permit Type:
Modification
Building Type:
N/A
Install a cellular communicator and connect to an existing fire alarm in an existing building
Valuation:
$0
Permit #:
FPFAS2500204
Status:
final
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
Sr# 546527 ; fire alarm system 6-15 initiating devices and/or <= 21-40 notification devices
Valuation:
N/A
Permit #:
FIRE-2024-00054
Status:
issued
Fee:
$130
Permit Type:
N/A
Building Type:
N/A
Pc for fa system for four story building with subtarreanean basement. installing one facp four power suppply panel one annunciator and 226 devices
Valuation:
N/A
Permit #:
17041-10000-41006
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement plans for existing sys
Valuation:
N/A
Permit #:
ALRM19-004
Status:
issued
Fee:
$402
Permit Type:
Fire alarm commer...
Building Type:
N/A
Addition cellular communicator
Valuation:
N/A
Permit #:
ALRM19-009
Status:
final
Fee:
$404
Permit Type:
Fire alarm commer...
Building Type:
N/A
Adding (3) fire alarm devices
Valuation:
N/A
Permit #:
18041-10000-04559
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Fire alarm installation
Valuation:
N/A
Permit #:
17041-10000-19571
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install new alarm control panel annunciator & etc
Valuation:
N/A
Permit #:
FPT23-0082
Status:
issued
Fee:
N/A
Permit Type:
Fire alarm non-res
Building Type:
N/A
As-builts for fire alarms for the victoria promenade
Valuation:
N/A
Permit #:
PMT2008-03476
Status:
complete
Fee:
$180
Permit Type:
Commercial
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
17041-10000-19571
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Installation of new fire alarm system ( 90 devices)
Valuation:
N/A
Permit #:
FIR2015-00558
Status:
issued
Fee:
N/A
Permit Type:
Fire alarm
Building Type:
N/A
New fire alarm system (101 devices)
Valuation:
N/A
Permit #:
FIR2016-00544
Status:
issued
Fee:
N/A
Permit Type:
Fire alarm
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Ers Security Alarm System License info
Verified License
| License # | 705904 |
| Status | Active |
| State | California |
| Type | Electrical |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Ers Security Alarm System at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
91
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | American Family Home Insurance Company Dba Afh Insurance Company |
371
Permits
- Building permit records show that Ers Security Alarm System has worked on 371 permitted projects.
Ers Security Alarm System Employees
DC
David Chao
Sole Owner