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50+ Years
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Emergency
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Trusted Security Solutions for Businesses & Homes
Bay Alarm has been a trusted leader in security solutions since 1946, providing comprehensive protection for commercial and residential properties across California, Arizona, and Washington. Founded as a family-owned business in Oakland, California, we have grown into the largest independently owned security company in the United States, serving over 155,000 customers. Our commitment to quality technology, expert installation, and dedicated support ensures our clients receive tailored security systems that evolve with their needs. With a team of highly trained professionals averaging 10 years of experience, we combine cutting-edge innovations like AI-powered surveillance with local expertise to deliver reliable, proactive protection.

Our partnerships with law enforcement and community organizations reflect our dedication to safety beyond individual clients, while our motto, 'The Bay Way,' underscores our promise to prioritize integrity, respect, and customer-centric service. Decades of experience, industry-specific accreditations, and a focus on continuous improvement position us as a trusted partner for safeguarding people, assets, and peace of mind.
Services
Live Video Monitoring Burglar Alarms Fire Alarms Access Control Mobile Security Security Agents 24/7 Monitoring Fire System Inspections Remote Access Control Alarm Verification
Details
  • Year established: 1946
Highlights and features
  • We offer 75+ years of experience in tailored security solutions.
  • Our team includes experts with 2,000+ hours of training and 10-year average tenure.
  • We provide AI-powered surveillance and 24/7 UL-listed monitoring center support.
  • Our local technicians ensure rapid response within an hour of 90% of clients.
  • We integrate with law enforcement for priority emergency response.
Associations and certifications
  • CA CSLB 880138
  • ACO 28
  • CSFM Type 1 License
  • A-0471
  • AZ ABC 20243
  • ROC 326152 CR-67
  • ROC 326153 CR-16
  • WA LEECL BAYALAC876KF
  • CCL BAYALAC878KH
What people say
Excellent service Rapid response times Reduced theft Knowledgeable staff User-friendly systems
Services
Live Video Monitoring
AI-powered live video monitoring deters crime with real-time alerts and remote access. Our systems use analytics to distinguish threats, trigger warnings, and store footage securely in the cloud. Dedicated agents verify alarms for faster police response, ensuring proactive protection for businesses of all sizes.
Mobile Security
Solar-powered mobile units provide flexible security for remote sites. These self-sufficient trailers feature 360-degree cameras, virtual fencing, and automated loudspeakers. Footage is stored in the cloud for 30 days, with no data overage charges, ensuring reliable protection for construction sites and outdoor assets.
Access Control
Advanced access control systems allow real-time management of entry permissions via mobile apps. Features include virtual key cards, user-friendly dashboards, and integration with other security systems. Businesses can monitor activity, generate reports, and manage multiple sites from a single platform.
Fire Alarms & Monitoring
Custom fire alarm systems include professional installation, compliance expertise, and 24/7 monitoring. Services cover design, maintenance, and sprinkler inspections, with cellular communication eliminating reliance on phone lines. Systems meet NFPA 72 standards and local fire codes.
Security Agents
Trained security agents provide perimeter protection, alarm response, and patrols. Services include incident reporting, integration with surveillance systems, and customized plans for businesses. Agents work alongside technology to ensure rapid intervention and deterrence of potential threats.
People
Tim Westphal
Owner & CEO
Third-generation leader of Bay Alarm, Tim Westphal oversees operations with a focus on innovation and customer-centric service. He continues the family legacy of quality and integrity established by founders Marj and Everett Westphal in 1946.
Questions
What security services does Bay Alarm offer?
We provide live video monitoring, burglar alarms, fire alarms, access control, mobile security units, and on-site security agents. All services are customizable for commercial and residential needs.
How does Bay Alarm's 24/7 monitoring work?
Our UL-listed monitoring center uses AI analytics to verify alarms and dispatch authorities when needed. Systems include remote arming/disarming and real-time alerts for enhanced responsiveness.
Are Bay Alarm systems customizable for different business sizes?
Yes, we design solutions for single-site businesses to multi-location enterprises, with scalable technology and integration options for existing infrastructure.
What areas does Bay Alarm serve?
We operate in California, Arizona, and Washington, with local technicians ensuring rapid response within an hour of most clients.
How does Bay Alarm handle fire system compliance?
Our experts ensure systems meet NFPA 72 standards and local fire codes, including inspections, maintenance, and cellular communication for reliability.