Updated: Jun 01, 2026
Location and Projects
Address
5130 Commercial Cir, Concord, CA, 94520
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Bay Alarm Company Photos
Bay Alarm Company Construction
Bay Alarm Company, 5130 Commercial Cir, Concord, CA (Employee: Roger Lewis Westphal) holds a Low Voltage Systems, Electrical license and 3 other licenses according to the California license board.
Their BuildZoom score of 116 ranks in the top 2% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Bay Alarm Company, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Bay Alarm Company Services
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Bay Alarm Company Contact Information
Phone Number: (510) 423-1457
Address: 5130 Commercial Cir, Concord, CA 94520
Bay Alarm Company Concord
Quality
116
98th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Bay Alarm Company has a BuildZoom score of 116, which places them above 98% of 336,931 contractors in California.
Activity
|
1 project
|
2026 |
|
413 projects
|
2025 |
|
481 projects
|
2024 |
|
607 projects
|
2023 |
Our building permit records indicate that Bay Alarm Company has worked on at least
1502.0 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
|
245 projects
|
Home Additions |
|
136 projects
|
Commercial Renovations |
|
30 projects
|
New Constructions |
|
8 projects
|
Kitchen remodels |
Analyzing permits over the last 4 years shows that Bay Alarm Company mostly works on
home addition
and commercial renovation
projects.
Pricing
|
381 projects
|
< $5k |
|
217 projects
|
$5k-$20k |
|
35 projects
|
$20k-$50k |
|
18 projects
|
$50k-$100k |
|
7 projects
|
$100k-$250k |
|
1 project
|
$500k-$1mil |
The typical size of their permits is approximately $4,165. 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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
At owner request bay alarm is taking over the existing fire alarm system. at same time bay alarm will addition low frequency sounders to unit as needed to meet sound requirements of ab 3.08 and to comply with sffc 1103.7.6.1 removal of sprinkler permit 202410314108 and ref#: 200102283122
Valuation:
$107,031
Permit #:
202501067751
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
This submittal is to show the changes being made to (e) building fire alarm system to comply w sffd 3.08 sleeping area requirements.low-frequency horns shall be installed in all sleeping areas. annunciator added @ building #725 west vestibule. (e) fa system to remain as previously installed no changes
Valuation:
$150,000
Permit #:
202503252943
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
The intent of this submital is to show the faa new location and monitoring the 4 duct detectors. bay alarm is to monitor the building's sprinkler system. the primary and secondary communication pathway shall be via gsm. the system shall be ul listed and communicate to a ul listed central station. the system shall be 100% tested prior to scheduling a fire final
Valuation:
$5,100
Permit #:
FAP2025-00183
Status:
issued
Fee:
$1,006
Permit Type:
N/A
Building Type:
N/A
Epc - addition a cellular communicator to this existing sprinkler monitoring system as the single path means of alarm transmission per nfpa 72 2022 chapter 26.6.3.3. this is being done with the intent of eliminating the existing dual pots phone lines. all signals from this system shall be transmitted to an ahj. approved central monitoring station. we will also be relocating the existi... see more
Valuation:
$4,950
Permit #:
COM-2500847
Status:
final
Fee:
$498
Permit Type:
N/A
Building Type:
N/A
The intent of the submittal is to show the connection to an existing access control panel in order to initiate the unlocking of magnetic door locks upon any fire alarm signal. an interior horn will be added at the suite where the area of work will take place
Valuation:
$9,750
Permit #:
FAP2025-00131
Status:
issued
Fee:
$966
Permit Type:
N/A
Building Type:
N/A
Epc - replace the existing manual fire alarm system devices due to age and tenant improvement. replace the existing cellular communicator as the single path means of alarm transmission. all signals from this system shall be transmitted to an ahj approved central monitoring station
Valuation:
$3,280
Permit #:
COM-2506067
Status:
final
Fee:
$495
Permit Type:
N/A
Building Type:
N/A
The intent of the submittal is to show the voluntary installation of a wireless communicator in order to remove the pots lines. the client has elected to addition another exterior horn for additional audibility near the math classroom room 5 6 & 7 on a voluntary basis
Valuation:
N/A
Permit #:
B25-0056
Status:
complete
Fee:
$335
Permit Type:
N/A
Building Type:
N/A
Rev 1: as-builts we updated the drawings to match what was existing. - the 2 pivs on zones 2 and 3 were actually os&ys. - the keypad by the facu was replaced with a 715 module. - the duct detector on zone 22 was removed. - the location of duct detectors on zones 7 and 8 was updated
Valuation:
N/A
Permit #:
FAP2025-00006-001
Status:
triage
Fee:
$172
Permit Type:
N/A
Building Type:
N/A
The intent of this submittal is to show the installation of a new basic sprinkler monitoring system with occupant notification in an existing building all signals will be transmitted via the cellular communicator to a ul listed central station
Valuation:
N/A
Permit #:
BLD-2025-511
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
The intent of this submittal is to show the required alteration to the existing sprinkler monitoring system due to the tenant improvement for wisk aero. the facu will be replaced with an addressable type
Valuation:
$34,000
Permit #:
FAP2026-00053
Status:
issued
Fee:
$1,005
Permit Type:
N/A
Building Type:
N/A
Online electrical permit: category 4a: installation of fire warning and controlled devices of 30 001 - 50 000 ft². like for like replacement of existing fire alarm system. addition low frequency to units as needed
Valuation:
N/A
Permit #:
E202502140061
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New fire system for existig building. existing sprinkler system shell be monitored by the new fire alarm system. low freq sounders shall be provided in all units as required. smoke detectors shall be provided above the facu on the 3rd fl landing and roof access notifier
Valuation:
$23,798
Permit #:
202507020040
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
The intent of this submittal is to show the like-for-like replacement of the existing fire alarm system due to its age for this existing building. we will be upgrading the existing system to a new addressable system. the system layout and wiring shall remain as it was originally installed and approved. any existing devices or wiring that are not used shall be removed
Valuation:
$19,600
Permit #:
FAP2025-00210
Status:
issued
Fee:
$6,885
Permit Type:
N/A
Building Type:
N/A
Epc - door holders have been added as per ahj requirements for all doors that are designed to be closed in the event of a fire to maintian the fire rating of each designated area. when connected to the building fire alarm system they will release the door upon activation of an alarm
Valuation:
$7,850
Permit #:
COM-2514881
Status:
final
Fee:
$1,308
Permit Type:
N/A
Building Type:
N/A
Replace existing fire alarm control unit with new and install a new cellular communicator. all existing devices to remain as is no changes. existing sequence of operations to remain as previously approved
Valuation:
N/A
Permit #:
BLD2025-00157
Status:
triage
Fee:
$488
Permit Type:
N/A
Building Type:
N/A
Fire alarm - tenant improvement for academic center of vollitation corp. preschool - interior remodel of education/business to addition daycare use for 18 months to five-year-old children. convert existing offices to new daycare rooms. provide (6) daycare rooms to support ninety-three students (five younger than 36 months infants and toddlers and eighty-eight 36 months or older childr... see more
Valuation:
$8,450
Permit #:
F24-0270
Status:
issued
Fee:
$1,005
Permit Type:
N/A
Building Type:
N/A
Like for like replacement of the existing non-required voluntary fire alarm system facu and convert the existing dact to a new cellular communicator provided at the owners request
Valuation:
$8,655
Permit #:
202501067802
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Farm labor house | new fire alarm system for existing building. fire sprinkler system to be supervised. notification shall be provided. lf notification provided in units. install cell communicator for central station supervision
Valuation:
N/A
Permit #:
BLD2025-02518
Status:
issued
Fee:
$489
Permit Type:
N/A
Building Type:
N/A
The scope of work is to install a new fire alarm system with connection to the wet pipe sprinkler system -the wet pipe sprinkler system will be connected for supervision
Valuation:
$14,300
Permit #:
FAP2025-00175
Status:
issued
Fee:
$2,135
Permit Type:
N/A
Building Type:
N/A
Installation of fire alarm system to meet sffc section 1103. install low frequ sounders pull stations smoke detectors and speaker strobes installed. all signals transmitted via cellular comminicator to ul listed central station meeting the nfpa 7s 2022 edition
Valuation:
$66,700
Permit #:
202308094040
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Bay Alarm Company Reviews
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Verified License
BuildZoom confirmed this contractor's license
Bay Alarm Company License info
Verified License
| License # | 903821 |
| Status | Active |
| State | California |
| Type | Low Voltage Systems, Electrical |
| Business Type | Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Bay Alarm Company at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 880138 |
| Status | Active |
| State | California |
| Type | Low Voltage Systems, Electrical |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Bay Alarm Company at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| City | Vallejo |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of June, 2018. Check the current license status of Bay Alarm Company with the The City of Vallejo, CA
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 539843 |
| Status | Inactive |
| State | California |
| Type | Low Voltage Systems |
| 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.
Check this license's status for Bay Alarm Company at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
116
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | National Union Fire Insurance Company Of Pittsburgh, Pa |
7.1K
Permits
- Building permit records show that Bay Alarm Company has worked on 7081 permitted projects.
Bay Alarm Company Employees
RW
Roger Lewis Westphal
Sole Owner