Serving All of Michigan Since 1956

Your Hometown Security Company

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Security System Thumb-Alarm-Systems-810-664-6606

Phone Numbers:

Lapeer County: 810-664-6606

Huron County: 989-479-9240

Genesee County: 810-235-2124

Oakland County: 248-253-0317


Email Us:



Thumb Alarm Systems

2513 Imlay City Rd.,

Lapeer, MI 48446


Fax: 810-664-6634


Business Hours:

Monday – Friday: 8:00 AM – 5:00 PM

24-hour emergency services available

Available evenings, nights, weekends, and holidays.

Contact Thumb Alarm Systems Today

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Thumb Alarm