Affordable, Reliable, and Trusted 24/7 Alarm Monitoring Services
"Experts since 1998"

Business & Home Security Alarm Systems in Los Angeles and Southern California

Professional alarm monitoring services throughout the Greater Los Angeles Area

Sign Up Now and Get 6 Months Free!

Southern California Home Security Monitoring from Just $9.99/Month

The Monitoring Center provides trusted security systems and professional alarm monitoring services in Southern California for homeowners and businesses. We provide full-service installation, including activating a new system and adding monitoring to an existing alarm setup.

Get the lowest rates among Southern California security providers, backed by in-house, North American-based support. Your Los Angeles security system is monitored through our UL-Certified center, and our TMA Five Diamond Rating reflects the highest industry standards in alarm monitoring.

No Long-Term Contracts

Enjoy professional Los Angeles area home security monitoring without being locked into multi-year agreements. TMC offers flexible annual monitoring, giving you freedom and control without penalties or hidden fees. Plus, you get six months of free monitoring when you switch, install, or reactivate your Los Angeles security system with us today.

Switch & Save on Alarm Monitoring

View Our Southern California Service Areas

Click below to explore our Southern California alarm monitoring service locations on a map.

View Interactive Map

Cities We Serve

Professional alarm monitoring services Southern California homeowners and businesses rely on, available in these communities:

Agoura Hills
Active Coverage
Alhambra
Active Coverage
Anaheim
Active Coverage
Apple Valley
Active Coverage
Arcadia
Active Coverage
Artesia
Active Coverage
Azusa
Active Coverage
Beaumont
Active Coverage
Bellflower
Active Coverage
Beverly Hills
Active Coverage
Brea
Active Coverage
Buena Park
Active Coverage
Burbank
Active Coverage
Calabasas
Active Coverage
Camarillo
Active Coverage
Canoga Park
Active Coverage
Canyon Country
Active Coverage
Carlsbad
Active Coverage
Carson
Active Coverage
Cerritos
Active Coverage
Chatsworth
Active Coverage
Chino
Active Coverage
Chino Hills
Active Coverage
Chula Vista
Active Coverage
Claremont
Active Coverage
Colton
Active Coverage
Compton
Active Coverage
Corona
Active Coverage
Costa Mesa
Active Coverage
Covina
Active Coverage
Culver City
Active Coverage
Cypress
Active Coverage
Dana Point
Active Coverage
Diamond Bar
Active Coverage
Downey
Active Coverage
Duarte
Active Coverage
Eastvale
Active Coverage
El Cajon
Active Coverage
El Monte
Active Coverage
Encinitas
Active Coverage
Encino
Active Coverage
Escondido
Active Coverage
Fallbrook
Active Coverage
Fontana
Active Coverage
Fountain Valley
Active Coverage
Fullerton
Active Coverage
Garden Grove
Active Coverage
Gardena
Active Coverage
Glendale
Active Coverage
Glendora
Active Coverage
Granada Hills
Active Coverage
Hacienda Heights
Active Coverage
Hawthorne
Active Coverage
Hemet
Active Coverage
Hesperia
Active Coverage
Highland
Active Coverage
Huntington Beach
Active Coverage
Inglewood
Active Coverage
Irvine
Active Coverage
La Canada
Active Coverage
La Habra
Active Coverage
La Jolla
Active Coverage
La Mirada
Active Coverage
La Palma
Active Coverage
La Puente
Active Coverage
La Verne
Active Coverage
Laguna Beach
Active Coverage
Laguna Hills
Active Coverage
Laguna Niguel
Active Coverage
Lake Elsinore
Active Coverage
Lake Forest
Active Coverage
Lakewood
Active Coverage
Lancaster
Active Coverage
Lawndale
Active Coverage
Loma Linda
Active Coverage
Long Beach
Active Coverage
Los Alamitos
Active Coverage
Los Angeles
Active Coverage
Malibu
Active Coverage
Manhattan Beach
Active Coverage
Menifee
Active Coverage
Mission Viejo
Active Coverage
Monrovia
Active Coverage
Montclair
Active Coverage
Montebello
Active Coverage
Monterey Park
Active Coverage
Moorpark
Active Coverage
Moreno Valley
Active Coverage
Murrieta
Active Coverage
Newbury Park
Active Coverage
Newport Beach
Active Coverage
North Hollywood
Active Coverage
Northridge
Active Coverage
Norwalk
Active Coverage
Oceanside
Active Coverage
Ontario
Active Coverage
Orange
Active Coverage
Oxnard
Active Coverage
Palm Desert
Active Coverage
Palm Springs
Active Coverage
Palmdale
Active Coverage
Pasadena
Active Coverage
Perris
Active Coverage
Pico Rivera
Active Coverage
Placentia
Active Coverage
Pomona
Active Coverage
Porter Ranch
Active Coverage
Poway
Active Coverage
Rancho Cucamonga
Active Coverage
Rancho Mirage
Active Coverage
Rancho Palos Verdes
Active Coverage
Redlands
Active Coverage
Redondo Beach
Active Coverage
Reseda
Active Coverage
Rialto
Active Coverage
Riverside
Active Coverage
Rowland Heights
Active Coverage
San Bernardino
Active Coverage
San Clemente
Active Coverage
San Diego
Active Coverage
San Dimas
Active Coverage
San Gabriel
Active Coverage
San Marcos
Active Coverage
San Pedro
Active Coverage
Santa Ana
Active Coverage
Santa Clarita
Active Coverage
Santa Monica
Active Coverage
Sherman Oaks
Active Coverage
Simi Valley
Active Coverage
South Gate
Active Coverage
Stevenson Ranch
Active Coverage
Studio City
Active Coverage
Tarzana
Active Coverage
Temecula
Active Coverage
Temple City
Active Coverage
Thousand Oaks
Active Coverage
Torrance
Active Coverage
Tustin
Active Coverage
Upland
Active Coverage
Valencia
Active Coverage
Valley Village
Active Coverage
Van Nuys
Active Coverage
Venice
Active Coverage
Ventura
Active Coverage
Victorville
Active Coverage
Vista
Active Coverage
Walnut
Active Coverage
West Covina
Active Coverage
West Hills
Active Coverage
Westlake Village
Active Coverage
Westminster
Active Coverage
Whittier
Active Coverage
Winnetka
Active Coverage
Woodland Hills
Active Coverage
Yorba Linda
Active Coverage

Out of Our Service Area?

You can still protect your home or business with TMC if you are currently outside of the areas we provide home security systems in Los Angeles. Our customers can either activate alarm monitoring services for existing systems in Southern California or, if beyond, set up DIY equipment and take advantage of our low-cost monthly monitoring.

Even without on-site installation, you receive full monitoring features and emergency response, flexible month-to-month plans, and six months free when you activate today.

Get a Quote for Your DIY Setup

Professional monitoring from just $9.99/month • No long-term contracts

Why Choose The Monitoring Center?

TMC stands out among Los Angeles home security providers because we provide better service, better pricing, and dependable protection. We offer flexible solutions, from full-service installation to activating your existing system without hardware replacement.

Plus, with same-day or next-day scheduling for most installations, you can activate your system with minimal downtime.

Ready to switch providers or activate your home security system in Los Angeles for the first time? Call now to speak with a live security consultant and get started.

Call for Your Free Security Consultation

866-247-4999