The highest rated home security and alarm companies across Maryland, aggregated from every TopRated city directory in the state.
A good security installer designs around your actual home, explains monitoring costs up front, and does not trap you in a punishing multi-year contract to get a fair price.
Looking for home security and alarm companies near me in Maryland? Start from the city directory closest to you: Baltimore, Bethesda. Each one ranks the local companies and shows the service area, which matters more on this kind of work than a statewide average.
Based on Google ratings and review volume as of October 2026, the top rated home security and alarm companies in Maryland are Advanced Security Safe and Lock, TomsBurg Surveillance, TomsBurg Surveillance. See the live ranked list, ratings, and contact details on this page.
Every company ranked on this page serves Maryland and the surrounding area, including Baltimore, Bethesda. Open any listing for its address, phone number and service area, then call the two or three closest to you. Distance is worth checking yourself: the nearest home security company is not automatically the best one, so this page ranks on rating and review volume first and leaves proximity to you.
A good security installer designs around your actual home, explains monitoring costs up front, and does not trap you in a punishing multi-year contract to get a fair price.
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