Licensed security system installers in Northridge, Los Angeles, CA
24 security system installers hold an active licence on the Contractors State License Board (CSLB) register in Northridge, checked 4 Nov 2026: 19 licensed 10 years or more, 100% bonded and none with a complaint or board disclosure on record. Ranked by a published formula; nobody pays to move up.
- Active licences
- 24
- Median time licensed
- 22.5 yrs
- Bonded
- 100%
- Lead-Safe certified
- 1
- Google reviews
- 140
Filled tags sit at the business's Google location; hollow tags show its mailing ZIP code only. Each tag is the theoPros score.
Ranked list
- 1
High Def Solutions Inc
- Licence active
- Bonded
- Works alone
- 2
Laba Communications Inc
- Licence active
- Bonded
- Workers' comp
- 3

Technion Contractors T C I Inc
- Licence active
- Bonded
- Workers' comp
- EPA Lead-Safe
- 4
Major Metropolitan Security Inc
- Licence active
- 5
Cloutier Bill Electric
- Licence active
- Bonded
- Workers' comp
- 6
Jackson David Joseph
- Licence active
- Bonded
- Works alone
- 7
Ammcomm Co Inc
- Licence active
- Bonded
- Workers' comp
- 8
Quality Cable Installations Inc
- Licence active
- Bonded
- Workers' comp
- 9
Western Security
- Licence active
- Bonded
- Works alone
- 10
Reliable Telephone & Data Inc
- Licence active
- Bonded
- Workers' comp
- 11
National Data & Cable
- Licence active
- Bonded
- Works alone
- 12
Davis Corey
- Licence active
- Bonded
- Works alone
- 13
A A Phone & Wire Co
- Licence active
- Bonded
- Works alone
- 14
Wilson Security Systems
- Licence active
- 15
D H Systems
- Licence active
- Bonded
- Workers' comp
- 16
Prime Automation Inc
- Licence active
- Bonded
- Works alone
- 17
Prestige International Security Inc
- Licence active
- 18
Mch Interactive Security, LLC
- Licence active
- 19
S & W Communications Inc
- Licence active
- Bonded
- Workers' comp
- 20
Horizon Home Install Group Inc
- Licence active
- Bonded
- Workers' comp
- 21
Pan American Telecommunications
- Licence active
- Bonded
- Workers' comp
- 22
G D L A Audio & Video
- Licence active
- Bonded
- Works alone
- 23

Gm Tech Solutions Inc
- Licence active
- Bonded
- Works alone
- 24
Motion Audio Video Inc
- Licence active
- Bonded
- Works alone
Questions people ask about security system installers in Northridge
How many licensed security system installers are in Northridge?
24 security system installers hold an active Contractors State License Board (CSLB) or Bureau of Security and Investigative Services (BSIS) licence with a mailing address in Northridge, checked on 4 November 2026. 19 of them have been licensed for 10 years or more.
Does a security system installer need a licence in California?
Yes, when the whole job, labour and materials, costs $1,000 or more or needs a permit. Below that, California's minor-work exemption (B&P Code 7048) applies, but only if they work alone.
How do I check a security system installer's licence in Northridge?
Ask for the licence number and look it up on the CSLB or BSIS website, or search this page. Every security system installer listed here was matched to an active licence on the CSLB or BSIS register.
Which security system installers rank highest in Northridge?
By our published formula (years licensed, complaint record, bond and insurance, and Google reviews), the top three are High Def Solutions Inc (85), Laba Communications Inc (84), Technion Contractors T C I Inc (84). Paying or claiming a listing never changes the order.
How much do security system installers charge in Northridge?
Security system installers in the Los Angeles-Long Beach-Anaheim metro earn a median $34.41 an hour (BLS, May 2025); contractors typically bill about twice the wage to cover insurance, overhead and profit.
Do I need a lead-safe certified security system installer in Northridge?
If your home was built before 1978 and the work disturbs paint, yes: the law requires a firm certified lead-safe by the US Environmental Protection Agency. 61% of homes here were built before 1980 (US Census, ACS 2024 1-year), and 1 of the 24 licensed security system installers listed are certified.