SDA Security

Specialties

Today, with over 7,000 customers and over 80 years of proven service and commitment to the families, businesses and facilities we protect, SDA Security is proud to be the leading security systems provider in Southern California.

Day or night, any time of year, we are always available and ready to help. Our Five-​Diamond UL listed and Department of Defense secret cleared Central Monitoring Station operates 24-​hours a day, seven days a week, 365 days a year. We’re always awake so you can sleep soundly.

History

Established in 1930.

SDA Security is the #1 family owned and operated Safety and Security provider since 1930. SDA is a full service shop offering advanced Fire and C02 Monitoring, CCTV, Access Control, Secure Protection and ²⁴⁄₇ monitoring by a 5-​Diamond Central Station to commercial, governmental and high-​end residential entities throughout Southern California.

At SDA, we believe in YOU.

We believe the customer always comes first. We believe that when it comes to something as important as security, you should not be given a «one size fits all» cookie-​cutter solution. We believe you should be able to build your security system based on what you need and more importantly, want.

We are committed to being more than a number you call once a year for a false alarm. Over the course of your relationship with SDA, you’ll get to know us, like us, and trust us when we promise that if you ever experience a true emergency, hearing a familiar voice will be the comfort you need.

Be more than secure. Be SDA secure.

Meet the Business Owner

Shandon H.

Business Owner

In 2007, Shandon Harbour, Rod’s daughter, took over as President of SDA Security. As the third generation leading the company, Shandon has restructured and re-​teamed SDA Security to represent its new advanced and cutting edge identity. While maintaining SDA Security’s strong reputation in the community, Shandon is dedicated to growth and staying competitive in the rapidly-​changing market.