Testimonials

"I just wanted to thank you. I couldn't have asked for more efficient, kind people to work with. My system is working beautifully."
Laurie Fredrick


“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


Thanks to Certified Systems, within seconds our fire alarm system sent out the signal and Butte County Fire was dispatched arriving before any major damage occurred. Norfield Industries has a $650,000 plant and employed over 100 people. I have been so happy with their service I chose to have had them install intrusion and fire alarm systems in both my homes.
Bruce Norlie
President of Norfield Industries


Certified Systems has protected my home, family, and businesses for over 16 years. Steve and his staff, are always a pleasure to work with. Certified Systems is the exclusive vendor for Papa Murphy’s Pizza.
 Scott Bauer
President Papa Murphy's Pizza


Certified Systems has been an integral part of our local organization. Because of their philanthropic generosity, DownStream Fly Fishing has been able to work with over 50 students with Down syndrome.
Ryan Miller
Founder of DownStream

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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.