The Local Business Security Experts

Over 87,027 businesses trust us to manage their security needs.

Commercial Security Systems for Every Need

We understand that your business is unique and that you have a lot on your plate making it a success. Here at Bay Alarm, we have spent the last 70+ years building our business by treating our customers right. Part of being the best security company around is delivering a best-in-class experience to all our customers. With an average tenure of 10 years, our teams are knowledgeable and friendly. That means the job gets done on-time and correctly. Let Bay Alarm show you just how easy security can be.

"We've had Bay Alarm since we opened our store in 2012. They have consistently given excellent customer service. Their personnel are responsive, knowledgeable and unfailingly courteous. It's been a pleasure doing business with them and when it came time to move the store's location, they made transferring service a breeze. I can't recommend Bay Alarm highly enough."

Keep Your Business Safe With
Comprehensive Business Alarm Systems

Industrial equipment, construction sites, open lots—criminals target these areas because they’re difficult to patrol. Our business security systems replace the need for costly onsite security guards. And the chance of catching criminals in the act is much higher with video verification. Our resources are comprehensive. From fire and burglar systems to business access control, whether you have a small shop or a multi-building campus. Watch our video to learn more.


- RON S.


- DAN S.


Protect My Business

Protect everything you’ve worked so hard for. Fill out the form and a Bay Alarm Security Specialist will contact you about your free, customized business security system quote.
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Learn More About Commercial Security


Summer Safety Tips to
Keep Your Outdoor Workplace Safe

Keep your outdoor workplace safe during hot weather Being in the sun all day can be taxing on anyone whether you’re at the pool, the park, or in some cases, work. People who already work outside all day know that it is no easy feat. The glamour of being in the summer sun all day […]

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Keeping Your Data Safe – At Work

Most companies have rules and regulations when it comes to computer usage. Many companies even have firmware set up to prevent external, and internal data attacks. Keeping data safe at work is vital to your company and your employees; your company information, your personal information, and the information of your employees’ is at risk. Best […]

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Fire Safety for Business

Fire is one of the top risks to any small business. According to the National Fire Prevention Association (NFPA) in 2016, there was a structure fire reported every 66 seconds with over 29% being caused by cooking equipment. Local safety codes dictate the minimum fire protection requirements for businesses to operate legally however, practicing smart […]

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Boys and Girls Clubs

Bay Alarm is a proud sponsor of the Boys and Girls Clubs. Community involvement is a key part of Bay Alarm’s culture and business approach. We join with our neighbors in supporting local youth.

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Contra Costa County Law Enforcement Training Center (LETC) Partnership

The Contra Costa County Office of the Sheriff operates the Law Enforcement Training Center (LETC) a Police Academy which provides basic and in-service law enforcement training pursuant to certification by the California Commission on Peace officer Standards & Training (POST). Bay Alarm is proud to assist the office of the Sheriff and LETC in their […]

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NetOne unites the best independently owned security companies in the nation and we are proud to be a part of this important professional organization. Our expertise is strengthened through networking with our partners in security.

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Where can I get my NFPA 72 and 25 inspection forms?

Bay Alarm has invested significant resources in developing an industrial, electronic, inspection testing system that makes reports easily accessible to business security system customers through BayNet. Our dedicated, certified fire inspectors utilize tablets to test every required device.
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How can I test my business security system?

Simply call our Monitoring Center at 800-470-1000. They will place your account in “test mode.” You can then either send a manual test signal or test a specific device, and we will provide you with the results and make any recommendations.

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How do I log into BayNet?

Click Learn More below. Log in using your email address and password. There you can view your business account details, testing results, and pay your bill online. For more features such as searchable, downloadable alarm activity and facility management exception reports, ask about upgrading to BayNet Plus!

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