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# Best Home Security & Alarms in California (October 2026) - californiatoprated.com

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[CaliforniaTopRated](/) / Home Security & Alarms

# Best home security and alarm companies in California

The highest rated home security and alarm companies across California, aggregated from every TopRated city directory in the state.

Rankings updated October 2026 from Google ratings and review volume - not paid placement

Maya, the Top Rated AI concierge

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## The full California ranking

Show independents only

1

HM Security - ADT Authorized Dealer Independent · Locally Owned

Los Angeles · ★★★★★ 5 · 889 Google reviews

[See all Los Angeles home security and alarm companies](https://losangelestoprated.com/home-security/)

2

HM Security - ADT Authorized Dealer Independent · Locally Owned

Irvine · ★★★★★ 5 · 889 Google reviews

[See all Irvine home security and alarm companies](https://irvinetoprated.com/home-security/)

3

HM Security - ADT Authorized Dealer Independent · Locally Owned

Newport Beach · ★★★★★ 5 · 889 Google reviews

[See all Newport Beach home security and alarm companies](https://newportbeachtoprated.com/home-security/)

4

Wired Low Voltage Inc Independent · Locally Owned

San Diego · ★★★★★ 5 · 173 Google reviews

[See all San Diego home security and alarm companies](https://sandiegotoprated.com/home-security/)

5

All Star Security Services Independent · Locally Owned

Sacramento · ★★★★★ 5 · 151 Google reviews

[See all Sacramento home security and alarm companies](https://sacramentotoprated.com/home-security/)

6

DVRS Independent · Locally Owned

Los Angeles · ★★★★★ 5 · 103 Google reviews

[See all Los Angeles home security and alarm companies](https://losangelestoprated.com/home-security/)

7

Bay Radio And Alarm Independent · Locally Owned

Fremont · ★★★★★ 5 · 98 Google reviews

[See all Fremont home security and alarm companies](https://fremonttoprated.com/home-security/)

8

Halcyon Security Solutions Independent · Locally Owned

San Diego · ★★★★★ 5 · 98 Google reviews

[See all San Diego home security and alarm companies](https://sandiegotoprated.com/home-security/)

9

Plug N Play, Inc. - Technology Integrator Independent · Locally Owned

San Diego · ★★★★★ 5 · 93 Google reviews

[See all San Diego home security and alarm companies](https://sandiegotoprated.com/home-security/)

10

Optimum Surveillance Independent · Locally Owned

Los Angeles · ★★★★★ 5 · 72 Google reviews

[See all Los Angeles home security and alarm companies](https://losangelestoprated.com/home-security/)

11

Sparkye Independent · Locally Owned

San Francisco · ★★★★★ 5 · 71 Google reviews

[See all San Francisco home security and alarm companies](https://sanfranciscotoprated.com/home-security/)

12

Uniworth Security Services Independent · Locally Owned

Sacramento · ★★★★★ 5 · 59 Google reviews

[See all Sacramento home security and alarm companies](https://sacramentotoprated.com/home-security/)

13

Pye-Barker Fire & Safety, formerly Arrow Fire Protection Independent · Locally Owned

Fremont · ★★★★★ 5 · 55 Google reviews

[See all Fremont home security and alarm companies](https://fremonttoprated.com/home-security/)

14

Fuse HVAC, Refrigeration, Electrical & Plumbing Independent · Locally Owned

Santa Clara · ★★★★½ 4.9 · 1265 Google reviews

[See all Santa Clara home security and alarm companies](https://santaclaratoprated.com/home-security/)

15

Alert 360 Home & Business Security Los Angeles

Irvine · ★★★★½ 4.9 · 636 Google reviews

[See all Irvine home security and alarm companies](https://irvinetoprated.com/home-security/)

## How to pick well

A good security installer designs around your actual home, explains monitoring costs up front, and does not trap you in a punishing multi-year contract to get a fair price.

Looking for home security and alarm companies near me in California? Start from the city directory closest to you: Los Angeles, San Diego, San Jose, San Francisco, Irvine, Newport Beach, Fremont, Sunnyvale. Each one ranks the local companies and shows the service area, which matters more on this kind of work than a statewide average.

## Home Security & Alarms in California: common questions

### Who are the best home security and alarm companies in California?

Based on Google ratings and review volume as of October 2026, the top rated home security and alarm companies in California are HM Security - ADT Authorized Dealer, HM Security - ADT Authorized Dealer, HM Security - ADT Authorized Dealer. See the live ranked list, ratings, and contact details on this page.

### How do I find home security and alarm companies near me in California?

Every company ranked on this page serves California and the surrounding area, including Los Angeles, San Diego, San Jose, San Francisco, Irvine, Newport Beach, Fremont, Sunnyvale. Open any listing for its address, phone number and service area, then call the two or three closest to you. Distance is worth checking yourself: the nearest home security company is not automatically the best one, so this page ranks on rating and review volume first and leaves proximity to you.

### How do I choose a home security company in California?

A good security installer designs around your actual home, explains monitoring costs up front, and does not trap you in a punishing multi-year contract to get a fair price.

## Are you a top-rated California pro?

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[Claim your free listing](#)

Prefer to talk? Call or text the Top Rated directory on [(813) 454-0813](tel:+18134540813). This is our number, not the number of any business listed here.