★★★★½ 4.7 · 62 Google reviews · 234 Monsignor O'Brien Hwy
Cambridge Sound and Security holds a 4.7 star average across 62 Google reviews, which places it at #13 for home security & alarms in Boston 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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