Licensed security system installers in Harbor City, Los Angeles, CA

6 security system installers hold an active licence on the Contractors State License Board (CSLB) register in Harbor City, checked 4 Nov 2026: 4 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
6
Median time licensed
15.4 yrs
Bonded
100%
Lead-Safe certified
0
Google reviews
1

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

Showing 6 of 6

  1. 1

    Avant Secure

    Harbor City, CA · CSLB C-7 #945051 · licensed 17 yrs

    • Licence active
    • Bonded
    • Workers' comp
    795.0(1)Full report
  2. 2

    Cartwright Peter

    Harbor City, CA · CSLB C-7 #946513 · licensed 17 yrs

    • Licence active
    • Bonded
    • Works alone
    60No Google reviews yetFull report
  3. 3

    Electronic Technology

    Harbor City, CA · CSLB C-7 #975112 · licensed 14 yrs

    • Licence active
    • Bonded
    • Works alone
    56No Google reviews yetFull report
  4. 4

    Q C Splice Inc

    Harbor City, CA · CSLB C-7, C10, C16 #1034429 · licensed 9 yrs

    • Licence active
    • Bonded
    • Works alone
    48No Google reviews yetFull report
  5. 5

    The Crimefighter

    Harbor City, CA · BSIS LCO #LCO 2423 · licensed 28 yrs

    • Licence active
    46No Google reviews yetFull report
  6. 6

    Pinnacle Groundworks Inc

    Harbor City, CA · CSLB C-7 #1080923 · licensed 5 yrs

    • Licence active
    • Bonded
    • Works alone
    43No Google reviews yetFull report

Questions people ask about security system installers in Harbor City

How many licensed security system installers are in Harbor City?

6 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 Harbor City, checked on 4 November 2026. 4 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 Harbor City?

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 Harbor City?

By our published formula (years licensed, complaint record, bond and insurance, and Google reviews), the top three are Avant Secure (79), Cartwright Peter (60), Electronic Technology (56). Paying or claiming a listing never changes the order.

How much do security system installers charge in Harbor City?

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 Harbor City?

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. 62% of homes here were built before 1980 (US Census, ACS 2024 1-year), and 0 of the 6 licensed security system installers listed are certified.