Luxury Home Security. Designed for Your Lifestyle.
Protect what matters most with a professionally designed smart home security system — combining elegant touchscreens, mobile control, HD cameras, and 24/7 emergency monitoring for burglary, fire, carbon monoxide, and flooding.
Your Home, Beautifully Protected — From Anywhere
Modern home security should do more than sound an alarm. USA Alarm Systems brings intrusion detection, video cameras, smart locks, mobile control, and professional monitoring together into one elegant system — designed around the way you live.
Mobile App Control
Arm, disarm, and view from anywhere
Control your entire security system from your smartphone or tablet. Arm or disarm remotely, view live camera feeds, receive instant alerts, and manage user codes — whether you're at work, on vacation, or relaxing in bed.
Instant Notifications
Real-time alerts for every event
Receive real-time alerts the moment something happens — a door opens after hours, a window breaks, the alarm triggers, or a family member arrives home. Know immediately so you can respond faster.
Smart Door Locks
Keyless entry with full control
Grant access to family, guests, housekeepers, or contractors with unique codes — no more hiding keys under the mat. Lock and unlock doors remotely, set schedules, and receive notifications every time a door opens.
Video Doorbell & Cameras
See who's at your door from anywhere
See, hear, and speak with visitors at your front door from your phone. HD security cameras with night vision and smart analytics cover every angle of your property — indoors and out.
Home Automation
Security meets smart living
Integrate security with lighting, thermostats, garage doors, and more. Set scenes that arm the system, dim lights, and lock doors with a single tap — or automatically based on your location.
Elegant Touchscreen Keypad
Beautiful control at your fingertips
A sleek, wall-mounted touchscreen keypad puts full system control at your fingertips — arm, disarm, view cameras, check status, and manage your smart home from a single, elegant interface.
Build Your Smart Home Security System
Design a complete protection plan tailored to your home. Pick your home type, map your entry points, and choose the features you want — then send your custom layout to a local technician for a quote.
What type of home do you have?
Your home type shapes the system architecture and device placement.
System Summary
- 4 doors
- 12 windows
- 2-Car Garage
- Touchscreen Keypads
- Video Doorbell
- Outdoor HD Cameras
18
in your complete system
In An Emergency, Every Second Matters
Threat Detected
A protected door, window, smoke detector, CO sensor, or water sensor triggers an alert in your home.
Signal Received
Your smart home system instantly communicates the event to our professional 24/7 monitoring center.
Response Initiated
Monitoring professionals contact you immediately and dispatch police, fire, or emergency services when appropriate.
Advanced Technology Is Better With Local Support
Local technicians serving LA County homes
Local Technicians. Local Service. Decades of Experience.
When you call USA Alarm Systems, you're working with a local company that knows the communities and homes we protect. Our technicians live and work throughout Los Angeles County — they understand local requirements and the practical security challenges homeowners face.
Professional installation is only the beginning. We're here when your system needs service, expansion, or upgrades — backed by decades of experience protecting Southern California homes.
Years of Experience
An established security company homeowners can depend on.
Local Technicians
Service from technicians working throughout the communities we protect.
Local Knowledge
Experience with local requirements, ordinances, and residential properties.
Ongoing Support
Professional installation is only the beginning. We're here for service and upgrades.
Smart Security That Fits Seamlessly Into Your Home
Every home is unique. USA Alarm Systems designs smart security solutions that blend beautifully with your architecture, decor, and daily routine — from elegant touchscreens to discreet sensors and cameras.
Elegant wall-mounted control panels
Arm, disarm, and view cameras from anywhere
Keyless entry with biometric and keypad access
See and speak with visitors from your phone
Lighting, climate, and security in one system
HD surveillance with night vision and analytics
Elegant wall-mounted control panels
Arm, disarm, and view cameras from anywhere
Keyless entry with biometric and keypad access
See and speak with visitors from your phone
Lighting, climate, and security in one system
HD surveillance with night vision and analytics
Premier Home Security Built for Southern California Residences
Hover or click a region to explore commercial security & fire alarm services in your area. Our Monrovia HQ means we're minutes — not hours — from your home.
Protect Your Home With SoCal's Experienced Local Security Team
Your smart home security system should protect more than doors and windows. It should give you greater awareness, greater control, and confidence that experienced professionals are there when you need them.
Serving Los Angeles County, San Gabriel Valley, San Fernando Valley & Santa Clarita Valley.
Smart Home Security FAQs
Have questions about smart home security? Here are answers to some of the most common questions we hear from Los Angeles homeowners.