1-800-524-9243 603-753-4044  mail@capitolalarms.com
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Capitol Alarm Systems, Inc. is a locally owned and operated full-service alarm systems company here in New Hampshire. With over 30 years of experience in delivering the highest quality of protection available for your family, home or business. We’re certain that you’ll be impressed with the level of professionalism and variety of our resources and services.

Call us to schedule an evaluation. 1-800-524-9243
Penacook Headquarters
37 Washington St.
Penacook, NH, 03303
Lancaster North Country Office
579 Main Street,
Lancaster NH, 03584
Also Serving the Upper Valley, and
Seacoast Regions
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