Bay Alarm Company

Founded by the Westphal family in 1946 as a local burglar alarm company in the Bay Area, Bay Alarm now protects more than 100,000 residential and commercial customers and communities across the state of California. Now in its third generation of family management, Bay Alarm has become the largest independently owned and operated burglar alarm company in the United States.

For more than six...

Bay Alarm is a family owned, locally operated security company that has been dedicated to protecting homes, businesses and communities for over 70 years. The company started in our founder's garage in 1946 and today serves over 140,000 customers. Three generations later, and still family owned, Bay Alarm has become the largest independent security company in the country. We've achieved this...

Founded by the Westphal family in 1946 as a local burglar alarm company in the Bay Area, Bay Alarm now protects more than 100,000 residential and commercial customers and communities across the state of California. Now in its third generation of family management, Bay Alarm has become the largest independently owned and operated burglar alarm company in the United States. For more than six...

From ventura east call

What Have You Got To Lose? ™

Bay Alarm is equipped to provide the best in commercial and residential security.