Certified Systems, Inc. was founded in 1984 as a sole proprietorship providing both burglar and fire alarms to the greater Sacramento Valley. Over 25 years later, Certified Systems, Inc. is still guided by the same owner.

Certified Systems has expanded to provide the finest protection to residential and commercial customers throughout all of Northern California.

For more than 25 years, we have provided extraordinary security systems. We promise to use only the best equipment installed by the industry’s most qualified and highly trained technicians. All backed up by our award winning, U.L. listed, Central Monitoring Station.

We look forward to serving your security needs today and in the future.

Steve Pereira
President and CEO
Certified Systems

testimonials

“We are so happy with our system and most impressed with the folks in your organization. Your staff makes owning an alarm system very user friendly."
Dale and Danielle Penne

"Your organization deserves kudos for such a clean installation. It made us feel so good about our decision to use Certified Systems."
Bill and Fran Patrick

"I liked the idea of the CSairLink radio system, then when you caught those two in our store I really understood the value of not having phone lines."
Sam Sayegh

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Certified Systems offers the best home security systems, commercial security system, business security camera system, commercial fire alarm and monitoring systems, access control systems
for business and residential customers in Fremont, Dublin, Hayward, Milpitas, San Ramon, Walnut Creek, Vacaville, Sacramento, Yuba City, Chico, Redding and surrounding areas.