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PhiladelphiaTopRated / Home Security & Alarms

Keystone Alarms

★★★★½ 4.5 · 17 Google reviews · 103 E Pennsylvania Blvd

#27 in Home Security & Alarms
Rankings updated September 2026 from Google ratings and review volume
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Keystone Alarms Independent · Locally Owned Is this your business? Claim it free
103 E Pennsylvania Blvd, Feasterville-Trevose, PA 19053, USA
Call 215-457-4646Visit website
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Why Keystone Alarms ranks here

Keystone Alarms holds a 4.5 star average across 17 Google reviews, which places it at #27 for home security and alarm companies in Philadelphia on our rankings. Positions come from verified public ratings and review volume. See the full list on the Home Security & Alarms rankings page.

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