Since 1979, USA Alarm Systems has proudly served Southern California as a trusted, family-owned security company. We're more than just a provider—we’re your partner in protection. Our team specializes in electronic security, fire alarm systems, access control, and video surveillance, delivering full-service solutions from start to finish.

From on-site consultations and professional installation to ongoing support and maintenance, we’re here for you every step of the way. We also offer 24/7 UL Listed Central Station Monitoring, so you can rest easy knowing your property is always being looked after.

USA Alarm Systems holds a C-10 electrical contractor license from the California Contractors State License Board for fire alarm installations, and we’re licensed by the Department of Consumer Affairs Bureau of Security and Investigative Services to install security systems.

We’re proud to be actively involved in security and fire alarm associations at the local, state, and national levels—because we believe in staying informed, giving back to our industry, and continually raising the bar.

At USA Alarm Systems, we don’t just install systems—we help protect what matters most.