
Protect What Matters Most
Protect what matters most with the latest in security, video surveillance, home automation, and life safety technology. With Custom Alarm, you can stay connected to your home anytime, anywhere—so you can live confidently knowing your family and property are protected.
Water damage can happen when you least expect it, but you can be the first to know.
Our water and low temperature sensors alert you immediately if water is detected where it shouldn't be, including:
✔ Basements
✔ Under Sinks
✔ Near washing machines
✔ Utility rooms
✔ And more
Early detection means faster action, and less damage.
Fill out the form and one of our security consultants will schedule a FREE in-home estimate to assess your needs.
If you choose Custom Alarm for your home security system, you'll receive:
✔ Two FREE water/low temperature sensors
We’ve got you covered too!
✔ Buy one sensor, get one FREE
Limit two BOGO offer per customer
Offer Valid through April 2026
*Some restrictions may apply
Custom Alarm is a locally owned and operated, security-minded company located in Rochester, MN. We specialize in fire alarm systems, intrusion, video surveillance, and access control for both residential and commercial owners.
Custom Alarm is the trusted security leader and award winning, community-focused company committed to leveraging technology in finding solutions to our customers’ needs and dedicated to a high level of customer service.
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