Updated: Nov 29, 2025
Location and Projects
Address
47 E St Joseph St, Arcadia, CA, 91006
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Post Alarm Systems Photos
Post Alarm Systems Electrician
Post Alarm Systems, located in Arcadia, CA, is a trusted home and business security solutions provider with over 60 years of experience in the industry. They offer a wide range of security products and services, including alarm systems, surveillance cameras, Patrol Services, and 24/7 monitoring. With a strong commitment to customer satisfaction, Post provides all services in-house, including installation, monitoring, and service.
From BuildZoom:
Post Alarm Systems at 47 E St Joseph St, Arcadia, CA 91006, has a BuildZoom score of 105 and ranks in the top 8% 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.
Post Alarm Systems Contact Information
Phone Number: (800) 654-7678
Address: 47 E St Joseph St, Arcadia, CA 91006
Post Alarm Systems Arcadia
Quality
105
92nd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Post Alarm Systems has a BuildZoom score of 105, which places them above 92% of 336,931 contractors in California.
Activity
|
8 projects
|
2025 |
|
8 projects
|
2024 |
|
9 projects
|
2023 |
Our building permit records indicate that Post Alarm Systems has worked on at least
25.0 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
|
17 projects
|
Electrical projects |
Analyzing permits over the last 4 years shows that Post Alarm Systems mostly works on
electrical project
projects.
Pricing
|
2 projects
|
< $5k |
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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Tenant improvment to install (2) input modules to supervise and monitor (2) 120v duct smoke dectectors furnished and installed by others and to install (2) remote test switches connect to existing fire sprinkler alarm
Valuation:
N/A
Permit #:
25041-10000-06569
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental plan check for changes to approved set. clouded changes only. change to fire alarm device locations on floor plan and addition of a fire alarm device *original* plan check for new fire sprinkler monitoring system with 1 facp 1 communication panel and 17 fa devices
Valuation:
N/A
Permit #:
23041-10001-75398
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
[eplan] new fire alarm system. facp remote power supply and (18) notification/signaling devices
Valuation:
N/A
Permit #:
25041-10000-11112
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Express permit for the addition of several fa devices to existing fire alarm system
Valuation:
N/A
Permit #:
25041-10000-07861
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install (n) cellular communicator and (n) fire alarm control panel as per approved plans
Valuation:
$4,725
Permit #:
FIRC-2024-0055
Status:
complete
Fee:
$861
Permit Type:
N/A
Building Type:
N/A
[eplan] supplemental plan check for changes to fire alarm system. supplemental for field changes. addition of elevator recall ercs system connections and 6 additional fa devices
Valuation:
N/A
Permit #:
21041-10001-19831
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
[e-plan] install new fire alarm system to cover burlington coat factory and walmart. scope includes 2 fire alarm control panels 3 annunciators 9 power supplies and 406 devices
Valuation:
N/A
Permit #:
21041-10000-19831
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental permit for low voltage wiring - (1) nvr camera recorder (3) access control panels (30) access readers (24) cameras and main panel (communication panels)
Valuation:
N/A
Permit #:
23041-20001-46725
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
[eplan] pc for a new fire alarm system. replace the existing fire alarm system and install a new sole path cellular communicator
Valuation:
N/A
Permit #:
21141-10000-27637
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Low voltage alarm system wiring
Valuation:
N/A
Permit #:
25041-20000-13242
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Fire alarm plan check for replacement of facu and annunciator and installation of new cellular communicator
Valuation:
N/A
Permit #:
24041-10000-54612
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Fire alarm - 11 devices
Valuation:
N/A
Permit #:
ALRM25-0008
Status:
issued
Fee:
$366
Permit Type:
Fire alarm commer...
Building Type:
N/A
Fire alarm - 45 devices
Valuation:
N/A
Permit #:
ALRM25-0003
Status:
issued
Fee:
$704
Permit Type:
Fire alarm commer...
Building Type:
N/A
Plan check for new fire alarm system. consists of 1 facp and 9 fa devices and a communication panel
Valuation:
N/A
Permit #:
24041-10000-14768
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Replace existing central station fire sprinkler monitoring system
Valuation:
N/A
Permit #:
22041-90000-09025
Status:
final
Fee:
N/A
Permit Type:
Public safety only
Building Type:
N/A
Replace existing central station sprinkler monitoring system
Valuation:
N/A
Permit #:
22041-90000-09028
Status:
final
Fee:
N/A
Permit Type:
Public safety only
Building Type:
N/A
Addition connection for new tamper switch on existing sprinkler monitoring system
Valuation:
N/A
Permit #:
24041-90000-17948
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Plan check for new fire sprinkler monitoring system with 1 facp 1 communication panel and 17 fa devices
Valuation:
N/A
Permit #:
23041-10000-75398
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install (n) cellular communicator and connect to the (e) fire alarm system in an (e) building
Valuation:
$2,300
Permit #:
BLD23-00170
Status:
plancheck
Fee:
$245
Permit Type:
N/A
Building Type:
N/A
Addition additional point for spray booth sprinkler monitoring system
Valuation:
N/A
Permit #:
24041-90000-00027
Status:
final
Fee:
N/A
Permit Type:
Public safety only
Building Type:
N/A
Post Alarm Systems Reviews
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Post Alarm Systems License info
License Not Required
| Status | Not Required |
- BuildZoom verified in January, 2022 that this contractor does not need a license to be a electrician in California.
This is a sample of licensing data; click here to access a complete history.
105
BuildZoom Score
47
Permits
- Building permit records show that Post Alarm Systems has worked on 47 permitted projects.