About Us

When you need installation and monitoring services from an alarm company you can trust, choose Keystone Alarms, serving Bucks and Montgomery Counties, Philadelphia & New Jersey. We are a family owned and operated company backed by more than 40 years of experience. Keystone Alarms installs and services residential and commercial burglar and fire alarms. We also offer state-of-the-art monitoring and CCTV system installation.

We also provide vehicle tracking and smaller asset protection (desk alarms, securing cabinets for valuables storage, etc.), if  desired or needed.

You can reach us 24 hours a day. When you call us at 215-457-4646, you’ll get someone right away who will take care of any situation, and make sure you’re our top priority!

Our Committment to You

When you choose Keystone Alarms, you’re not only trusting Pennsylvania’s premier security system and fire alarm provider, you’re enlisting a team of dedicated professionals that have a passion for protecting you and your assets. We are committed to providing you innovative solutions to make your life safer, easier, and more convenient through state-of-the-art technology, around-the-clock monitoring, excellent customer service, and a commitment to being an industry leader.

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