On-Guard Security has over 25 years of experience in the security industry.

We install, service, and monitor only state-of-the-art security systems that are available in the marketplace. We provide our products and services to the Business, Industrial, and Residential markets throughout the California North Bay and Greater Bay Area.

As a single source supplier of security products and services, we have been able to help many companies and homeowners with their security needs.

On-Guard Security is fully licensed, bonded, and insured.

Our mission is to keep your premises safe. Our service is second to none. Our satisfied customers include numerous companies you may deal with every day.

Locally owned and operated, we are your most cost-efficient and service-oriented company for fire alarms, security alarms, cameras and access control systems. Our installations are professionally done by trained technicians.

Contact us via our Contact Form or call us at 707 584-0894.