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Have a question or ready to get started? We’re here to help. Whether you’re looking for a custom security system or just need more information, our team is happy to talk. Fill out the form below or give us a call—we’ll get back to you as soon as possible.

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Set up a free consultation, or get support for your existing service.

(314) 266-6760
Citywide Alarms provides trusted security solutions throughout the St. Louis area and surrounding communities. Whether you’re in the city, the suburbs, or just outside the metro area, we’re ready to help you protect what matters most.

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  • St. Louis
    7733 Forsyth Blvd. Suite 1100
    Saint Louis, MO 63105
  • St. Charles
    965 Sycamore Dr.
    St. Charles, MO 63304
Contact Us By Phone:
314-266-6760
855-64-ALARM
855-642-5276

Business Hours:
Mon-Fri 8:00AM-5:00PM
Sat / Sun: CLOSED