★★★★½ 4.9 · 134 Google reviews · 669 W Karsch Blvd
Alarm Security holds a 4.9 star average across 134 Google reviews, which places it at #6 for home security & alarms in St. Louis on our rankings. Positions come from verified public ratings and review volume, refreshed monthly. See the full list on the Home Security & Alarms rankings page.
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