📍 Southern California · Independent 2026 rankings

Top home security systems in Southern California

AlarmSoCal compares the best alarm systems, security cameras, video doorbells, DIY home security kits, and 24/7 monitoring options city by city across Los Angeles, Orange County, San Diego, Riverside, San Bernardino, Ventura, Santa Barbara, and Imperial counties.

See the top 10 → Browse 76 cities

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76cities reviewed

10top alarm providers

2026rankings updated

100%independent guides

Top 10 best home security systems near Southern California

Built for shoppers searching for home security systems in Southern California, alarm systems near Los Angeles, security cameras in San Diego, DIY home security in Orange County, and Google Home security with AT&T Connected Life. Each pick is editor-scored and compared against city-level needs.

Editor's Choice

ADT review

Best for traditional pro-installed monitoring

ADT is the default traditional choice for Southern California homeowners who want a known national brand, technician installation, and 24/7 professional monitoring.

📦 Professional installation📡 24/7 professional📝 36 months typical💵 $45–$60/mo monitoring

Pros

Largest US monitoring footprint with 6 redundant centers
Professional installation handles wiring and placement
Strong smart-home integrations via the ADT+ app

Cons

Long-term contracts (often 36 months)
Higher monthly monitoring cost than DIY systems

Visit ADT → Read full review

9.4

★★★★★

Vivint review

Best for premium smart-home automation

Vivint is a premium smart-home security option built around cameras, automation, panel touchscreens, and professional installation. It is best for homeowners who want a polished whole-home setup.

📦 Professional installation📡 24/7 professional📝 Equipment financing 42–60 months💵 $40–$50/mo monitoring + financed equipment

Pros

Best-in-class smart hub touchscreen
Strong outdoor camera AI (Vivint Smart Deter)
Whole-home automation built in (locks, garage, thermostat)

Cons

Equipment is financed, raising effective monthly cost
Long financing commitment is contract-like

Visit Vivint → Read full review

9.2

★★★★★

SimpliSafe review

Best DIY home security with no contract

SimpliSafe is the most popular DIY home security system because it keeps installation simple and gives shoppers flexibility around monitoring. Strong fit for renters, condos, apartments, and homeowners who do not want a hardwired alarm contract.

📦 DIY (optional pro install)📡 Self or 24/7 professional📝 No contract💵 $19.99–$49.99/mo monitoring

Pros

No contract — cancel anytime
DIY install in 30–60 minutes
Optional pro monitoring with police, fire, medical dispatch

Cons

Limited third-party smart-home integration
Cameras are an additional cost

Visit SimpliSafe → Read full review

9.0

★★★★★

AT&T Connected Life review

Best Google Home security bundle (AT&T Connected Life)

AT&T Connected Life combines Google Home / Google Nest smart devices, the AT&T Connected Life app, AT&T connectivity, and professional monitoring powered by Abode. It is worth comparing for households already using AT&T Fiber or AT&T Wireless.

📦 DIY kit with connected app📡 24/7 professional monitoring by Abode📝 No contract on month-to-month plan💵 Bundled with AT&T Fiber

Pros

Pairs Google Home / Google Nest devices with monitoring
Bundles cleanly with AT&T Fiber internet
Pro monitoring is delivered by Abode

Cons

Tied to AT&T service availability
Smaller ecosystem than ADT/Vivint

Visit AT&T Connected Life → Read full review

8.8

★★★★☆

Abode Home Security review

Best DIY home security with smart-home flexibility

Abode is a strong DIY home security option for shoppers who want smart-home flexibility, optional professional monitoring, and to avoid the feel of an old-school alarm contract.

📦 DIY📡 Self or on-demand pro monitoring📝 No contract💵 $0 self / $24.99/mo Pro

Pros

Wide smart-home compatibility (HomeKit, Google, Alexa, Z-Wave, Zigbee)
On-demand 7-day pro monitoring add-on
No contract — month-to-month

Cons

Less brand recognition than ADT/Vivint
Smaller pool of installer support

Visit DIY Home Security → Read full review

8.7

★★★★☆

Ring Alarm review

Best Ring video doorbell + alarm ecosystem

Ring Alarm is strongest for homes that already use Ring video doorbells or cameras. Simple DIY installation, deep camera ecosystem, and well-priced monthly plans.

📦 DIY📡 Self or 24/7 professional📝 No contract💵 $10–$20/mo Ring Protect

Pros

Best-known video doorbell ecosystem
Easy DIY install in under an hour
Affordable Ring Protect monitoring tiers

Cons

Privacy and police-data history concerns
Cellular backup requires the Pro tier

Visit Ring Alarm → Read full review

8.6

★★★★☆

Xfinity Home review

Best Comcast / Xfinity home security bundle

Xfinity Home (sometimes searched as Comcast home security) makes sense when Comcast/Xfinity service is already in the home and a bundled bill is more convenient than a standalone provider.

📦 Professional or guided self-install📡 Professional monitoring or self-protect📝 24-month options common💵 $10–$45/mo depending on plan

Pros

Bundled with existing Comcast/Xfinity internet
Self-protect (no monitoring) tier available
Decent app and camera lineup

Cons

Service availability tied to Xfinity coverage
Equipment locked to Xfinity ecosystem

Visit Xfinity Home → Read full review

8.3

★★★★☆

Brinks Home review

Best alternative to ADT for pro monitoring

Brinks Home is a national monitored security provider with traditional alarm packages, smart-home integrations, and 24/7 monitoring options. A solid pro-monitored alternative to ADT.

📦 DIY or professional📡 24/7 professional📝 36 months typical💵 $39–$50/mo

Pros

Established national pro-monitoring brand
Compatible with existing alarm hardware in some homes
Strong sensor lineup and app

Cons

Long-term contracts
Pricing varies based on installer and territory

Visit Brinks Home → Read full review

8.1

★★★★☆

Frontpoint review

Best DIY equipment with full pro monitoring

Frontpoint is a DIY-oriented monitored system that appeals to homeowners who want to install equipment themselves but still keep professional monitoring.

📦 DIY📡 24/7 professional📝 1–3 year monitoring options💵 $49.99/mo

Pros

DIY install with pro monitoring included
Cellular and battery backup standard
Strong reputation in remote-monitoring features

Cons

Equipment costs are higher than SimpliSafe/Cove
Long-term contracts available

Visit Frontpoint → Read full review

7.9

★★★★☆

Cove review

Best budget DIY monitored alarm

Cove is positioned as an affordable DIY monitored alarm system with straightforward equipment packages and monitoring plans. A budget pick for renters and small homes.

📦 DIY📡 24/7 professional📝 No contract💵 $17.99–$27.99/mo

Pros

Budget-friendly monitoring plans
No contract — month-to-month
DIY install in under an hour

Cons

Smaller equipment lineup than SimpliSafe
Limited third-party smart-home depth

Visit Cove → Read full review

7.7

★★★★☆

Browse by Southern California county

Each city page targets local search intent — alarm systems, video doorbells, smart-home security, DIY kits, and city-level alarm permit reminders.

Buyer guides

Whether you're comparing DIY home security, looking for a no-contract alarm system, or shopping for the best video doorbell, these guides cover the full Southern California buying decision.

Home security system cost in Southern California

See the typical equipment, installation, and monitoring costs for home security systems in California — DIY, professional, and bundled.

Best DIY home security systems

Compare the best DIY home security systems for Southern California: SimpliSafe, Abode (DIY Home Security), Ring Alarm, Cove, and Frontpoint.

Best wireless home security systems

Wireless alarm systems for Southern California renters, condos, apartments, and homeowners who do not want hardwired equipment.

Best home security systems for renters

Renter-friendly home security: portable wireless equipment, no drilling, no contracts, and easy reinstallation when you move.

Best home security systems for apartments

Apartment- and condo-friendly home security systems for Southern California, including DIY-installable and HOA-friendly options.

Best home security cameras

Compare the best home security cameras for Southern California — outdoor cameras, video doorbells, indoor cams, and floodlight cameras.

Ready to lock in a Southern California alarm system?

Compare the best home security companies, alarm monitoring providers, and DIY security systems with editorial scoring, pros and cons, pricing, and city-specific notes.

See the 2026 top 10 → Browse cities

Frequently asked questions

What is the best home security system in Southern California?

For 2026, ADT, Vivint, SimpliSafe, AT&T Connected Life, Abode (DIY home security), and Ring Alarm are the strongest national systems for Southern California homes. Final choice depends on install style, monitoring needs, smart-home compatibility, and city-level alarm permit rules.

How much does a home security system cost in California?

Self-monitored DIY systems start around $200–$400 in equipment with no monthly fee. Professional monitoring averages $25–$60/month. Pro-installed systems like ADT and Vivint usually run $40–$60/month plus equipment financing.

Are alarm permits required in Southern California?

Yes. Los Angeles, San Diego, Long Beach, Anaheim, Riverside, San Bernardino, and most other cities require an alarm permit before pro monitoring goes live. False-alarm fines vary by city.

What is the best DIY home security system?

SimpliSafe, Abode (DIY home security), Ring Alarm, Cove, and Frontpoint are the top DIY home security systems for Southern California renters, condos, apartments, and homeowners.

Does AT&T offer home security?

Yes. AT&T Connected Life pairs Google Home / Google Nest devices with the AT&T Connected Life app and professional monitoring by Abode. See our Google Home security page for details.