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Home and Commercial Security Systems in Darien, IL

Security Experts Who Put Darien Residents First

If you are in the market for a home or business security system in Darien, look no further! Alert Protective Services is a local, family owned and operated security company that has been proudly helping residents of Darien since 1982. Not only is our team built from a group of licensed professional, but our products have helped thousands of individuals stay safe, at an affordable price.

Unlike other Darien security companies we offer:

  • Best brands & hardware: the most trusted industry technology
  • Local Chicago business: security by Chicagoans, for Chicagoans
  • Experienced installers: average tech has 10+ years experience

Schedule your security service today!

Services we offer in Darien, IL


If you are in the market for a security system that fits your family’s needs and wants, let us help! All our security systems are custom-built, and designed specifically to fit what you are looking for solution wise. From smart home automation to alarm systems, we can do it all. Our home security services include:


With thousands of businesses served with over three decades of experience, business owners in Darien choose us for their commercial security solutions. Businesses not only trust us because we put their needs first, but also because our equipment is the best out there. Not only do we install dependable solutions, but also durable. Our commercial security services include:


If you are wanting a specific brand to be installed into your home or business in Darien, don’t worry. We service and install the following:

  • Ademco
  • ADT
  • Silent Knight
  • Honeywell
  • Napco
  • Safewatch
  • G.E.
  • Firelite
  • DSC
  • FBII
  • And much more…


“Quality and professional service. I trusted Alert to wire my new construction home and they did a 5 Star job!!! They installed my Camera system and alarm. Thank you ALERT!!! My family sleep knowing it is protected” – Michael D.

See what other home and business owners are saying about us! With 4.6 out of 5 stars on Google!

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Alert Protective Services LLC

3833 N Cicero Ave Chicago, IL 60641-3623

License #127-001677

(773) 685-8383 - Sales and Service (847) 879-6134 - Central Station

(773) 545-8940 - Fax

We can monitor

almost any existing make or model for less than

Quality Alarm Systems

Ancillary Products and Services for Your Home and Business Since 1982