Kastle, your Premier Managed Security Provider in
Fremont, CA.

415.962.1300

​​​Kastle is a premier managed security service company in Fremont, CA. Leading the security industry since 1972, we provide state-of-the-art security solutions for clients across California, the nation, and the world protecting more than 2 million people across 10,000+ locations globally.

Our California security experts offer a suite of integrated solutions including access control, video surveillance, visitor management and identity management, as well as mobile security applications – all integrated on an open, standards-based platform and supported by a team of experts 24x7x365.

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Address
3179 Skyway Court
Fremont, CA 94539

Business Hours
Monday-Friday: 8am-6pm
Saturday-Sunday: Closed

Monitoring Center
Monday-Sunday 24/7

Kastle’s Fremont office is located in the South Fremont business district with convenient access to Interstate 880 and Interstate 680. Situated in the heart of Silicon Valley’s East Bay corridor, this location provides efficient connectivity to San Jose, Palo Alto, and surrounding Bay Area communities.

Directions from
San Jose, CA:

  • Take I-880 North toward Oakland.
  • Exit at Mission Boulevard / CA-262.
  • Turn right onto Mission Boulevard.
  • Turn left onto Warm Springs Boulevard.
  • Turn right onto Skyway Court. Kastle’s office will be on the right.

Directions from
Palo Alto, CA:

  • Take US-101 South toward San Jose.
  • Merge onto CA-237 East toward Milpitas.
  • Continue onto I-880 North toward Oakland.
  • Exit at Mission Boulevard / CA-262 and follow signs toward Warm Springs Boulevard.
  • Turn right onto Skyway Court. Kastle’s office will be on the right.

Directions from
Oakland, CA:

    • Take I-880 South toward San Jose.
    • Exit at Mission Boulevard / CA-262.
    • Turn left onto Mission Boulevard.
    • Turn left onto Warm Springs Boulevard.
    • Turn right onto Skyway Court. Kastle’s office will be on the right.

 

Cities and communities served: Fremont, San Jose, Milpitas, Palo Alto, Sunnyvale, Mountain View, Santa Clara, Newark, Union City, Hayward, and surrounding communities across the San Francisco Bay Area.

Kastle supports a broad range of properties across Fremont, including Class A office buildings, multi-tenant campuses, mixed-use developments, residential high-rises, and government or civic facilities. Our solutions are designed for both new construction and existing buildings looking to modernize their security.
In Fremont, Kastle provides enterprise-grade access control solutions that include cloud-based access management, mobile credentials for smartphones and wearables, key fob systems, and tailored visitor management. Kastle’s access control solutions are scalable, supporting everything from single buildings to large multi-site portfolios while maintaining high levels of security and operational efficiency.
Access control ensures only authorized individuals can enter specific areas while providing real-time activity tracking for better visibility and investigations. It reduces risks like unauthorized entry and supports emergency response measures such as lockdowns and controlled access during incidents.
Kastle provides AI-enabled video surveillance systems with IP cameras, cloud and edge recording, and centralized video management. These systems integrate with access control and analytics to give property teams clearer visibility and faster response to events.
Yes, Kastle offers professional monitoring services in Fremont supported by trained security operations teams. Monitoring options include 24/7 alert monitoring and escalation, real-time incident notifications, and AI-driven event filtering to reduce false alarms.
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How can I get started with Kastle in Fremont?

Getting started is simple:

  1. Contact our security specialists by calling 855.527.8531 or filling out this form.
  2. We’ll schedule a site consultation and security assessment.
  3. You’ll receive a custom proposal aligned to your goals, budget, and timeline.
  4. Deployment and onboarding are coordinated to minimize disruption.
  5. Ongoing support and performance reviews help you optimize your security program.