Updated: Jan 05, 2026
Location and Projects
Address
870 Old County Rd, Belmont, CA, 94002
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DEA Security Systems Co Inc Photos
DEA Security Systems Co Plumber
Since 1983
D E A Security Systems Co., Inc. services all of the Peninsula, Silicon Valley, the greater Bay Area and beyond. Our projects include residential remodels of all sizes, single family homes, high-end speculative homes, exclusive custom estates and luxury vacation properties. We are frequently privileged to design and install integrated systems on multiple properties for our clients, a testament to the quality of our work and very highest standards of professional integrity.
From BuildZoom:
Their BuildZoom score of 0 does not rank in the top 50% of California contractors.
If you are thinking of hiring DEA Security Systems Co Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
DEA Security Systems Co Inc Services
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DEA Security Systems Co Inc Contact Information
Phone Number: (800) 697-8400
Address: 870 Old County Rd, Belmont, CA 94002
DEA Security Systems Co Inc Belmont
Quality
Alert*
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
*No active license on file. If you are DEA Security Systems Co Inc, log in and update your license info in the “Edit Profile” tab.
Activity
|
1 project
|
2026 |
|
5 projects
|
2025 |
|
2 projects
|
2024 |
|
4 projects
|
2023 |
Our building permit records indicate that DEA Security Systems Co Inc has worked on at least
12.0 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
|
4 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that DEA Security Systems Co Inc mostly works on
plumbing project
projects.
Pricing
|
2 projects
|
< $5k |
|
1 project
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
|
2 projects
|
$50k-$100k |
|
1 project
|
$500k-$1mil |
The typical size of their permits is approximately $18,000. This graph shows the distribution of these job values.
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
DEA Security Systems Co Inc Reviews
5 out of 5 stars, based on
1
review
-
By AnonymousJuly 19, 2014Total home alarm system$I don't remember2 daysLong time customer
Building Permits by DEA Security Systems Co Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
The scope of work is to expand the existing fire alarm system into the new modular building d1. the work to be performed as follows: addition 2 new manual pull stations addition 2 new speakers/strobes connect the new sprinkler devices. all wiring will be new and home-runned to the fire alarm panel. all existing devices to remain as-is. mc
Valuation:
$826,834
Permit #:
FR-2025-299892
Status:
issued
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
Install & provide supervising station monitoring of an automatic fire sprinkler system per 2022 ca fire code 903.4. heat detector in garage and mini-horn to be installed as required by the ca fire code & ca residential code for battery storage. system will communicate to central station using cellu
Valuation:
$11,000
Permit #:
202407015593
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Install an automatic fie sprinkler monioring system in accordance with the 2022 california fire code 903.4 with sf code amedments. this system will communicate with the supervising station using a celluler communicator as primary and secondary paths as allowed by 2022 nfpa 72 26.6.3
Valuation:
$4,788
Permit #:
202407015591
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Install a manual fire alarm system in accordance with the 2019 california fire code 2016 nfpa 72 and the current edition of the fremont municipal code
Valuation:
$75,000
Permit #:
FAP2023-00118
Status:
final
Fee:
$898
Permit Type:
N/A
Building Type:
N/A
Exp-replacement of old fire alarm system
Valuation:
$63,978
Permit #:
F23-0726
Status:
final
Fee:
$496
Permit Type:
Alarm
Building Type:
N/A
Adding 2 duct detectors to new air conditioning units 5-6
Valuation:
$3,000
Permit #:
FAP2024-00012
Status:
final
Fee:
$326
Permit Type:
N/A
Building Type:
N/A
Ref202407015591- witness test
Valuation:
N/A
Permit #:
E202407015315
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Upgrading system to fulfill new occupancy rating
Valuation:
$25,121
Permit #:
FAP2026-00073
Status:
filed
Fee:
$412
Permit Type:
N/A
Building Type:
N/A
Electrical witness test
Valuation:
N/A
Permit #:
E202407015318
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Fire sprinkler supervison system ref pa 2016-0203-8723
Valuation:
$4,500
Permit #:
202002245230
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Fire sprinkler supervision system ref pa 2014-0414-4068
Valuation:
$4,500
Permit #:
202002245227
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Fire alarm panel replacement. new board added. nd
Valuation:
N/A
Permit #:
FR-2022-283851
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacing old fire panel
Valuation:
$5,000
Permit #:
F23-0133
Status:
final
Fee:
$800
Permit Type:
Alarm
Building Type:
N/A
Fire witness test
Valuation:
N/A
Permit #:
E202002247745
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Fire witness test
Valuation:
N/A
Permit #:
E202002247743
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Change of use from auto repair to office use; tenant improvement (3053 sf) consisting of new offices 2 (n) accessible toilets (n) breakroom (n) storage new storefront changes including (2) (n) roll-up garage doors new rooftop mechanical equipment (7) (n) skylights (n) 200 amp panel new enclosed driveway (1342 sf) and new parking layout revision 1 - replace (e) footing and (n) footing ... see more
Valuation:
$3,272
Permit #:
FA-2016-260824
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Fire alarm - happy campers
Valuation:
$25,000
Permit #:
FIR2024-00096
Status:
final
Fee:
$2,082
Permit Type:
Fire alarm
Building Type:
N/A
Addition fire alarm devices to new bathrooms. addition 4 strobes and 2 speaker strobes
Valuation:
$7,500
Permit #:
201507171827
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
08 - club
Install sprinkler monitoring system
Valuation:
N/A
Permit #:
FIR2021-00131
Status:
final
Fee:
$1,102
Permit Type:
Fire alarm
Building Type:
N/A
Witness testing on residential fire sprinkler supervision system 5 zones
Valuation:
N/A
Permit #:
EW202103063958
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
DEA Security Systems Co Inc License info
License Not Verified
| License # | 497512 |
| Status | Active |
| Town | Atherton |
| Type | Contractor, Licensed Contractor |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of March, 2017. Check the current license status of DEA Security Systems Co Inc with the The Town of Atherton, CA
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
- How the BuildZoom Score works
- *No active license on file. If you are DEA Security Systems Co Inc, log in and update your license info in the “Edit Profile” tab.
Insured
| Insurer | Norguard Insurance Company |
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
34
Permits
- Building permit records show that DEA Security Systems Co Inc has worked on 34 permitted projects.
This Contractor Endorses
Los Altos Hills, CA
San Mateo, CA
We have used DEA for 15 years and have experienced wonderful, personalized service. The reliability of the equipment has been very good.