Since 1989 National Security Systems has provided
worldwide installation and service of security alarms, fire alarms, access control
systems, and CCTV. National Security Systems Inc is one of
California’s largest independent alarm installation and service
company, with over nineteen years of protecting lives and property. We
carry Radionics, Bosch Security Systems, Detection Systems, Honeywell, RS2
Technologies, Ademco, ITI, GE Security, DSC, SDC, Schlage, Locknetics, Alarm
Net and many more for home and business. With installations installed
worldwide no matter what your security needs are National Security Systems
has the right system for you. We understand how important security is, and
make it our business to make sure you feel secure at all times.
As of 04/15/2020 our new website address
This old site will still be maintained
for as long as needed for customers with older systems.
Systems…securing the nation.
What type of service are you interested in?