Home security company reviews
Independent reviews of every major alarm and smart-home security provider relevant to Southern California shoppers — pros, cons, pricing, equipment, and best-fit use cases.
ADT review
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 $45–$60/mo monitoring
★★★★★ 9.4/10
Read reviewVivint review
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 $40–$50/mo monitoring + financed equipment
★★★★★ 9.2/10
Read reviewSimpliSafe review
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) $19.99–$49.99/mo monitoring
★★★★★ 9.0/10
Read reviewAT&T Connected Life review
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 Bundled with AT&T Fiber
★★★★☆ 8.8/10
Read reviewAbode Home Security review
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 $0 self / $24.99/mo Pro
★★★★☆ 8.7/10
Read reviewRing Alarm review
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 $10–$20/mo Ring Protect
★★★★☆ 8.6/10
Read reviewXfinity Home review
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 $10–$45/mo depending on plan
★★★★☆ 8.3/10
Read reviewBrinks Home review
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 $39–$50/mo
★★★★☆ 8.1/10
Read reviewFrontpoint review
Frontpoint is a DIY-oriented monitored system that appeals to homeowners who want to install equipment themselves but still keep professional monitoring.
DIY $49.99/mo
★★★★☆ 7.9/10
Read reviewCove review
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 $17.99–$27.99/mo
★★★★☆ 7.7/10
Read reviewReady 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.