Interlock of St. Louis - Certified Ignition Interlock devices

*Please contact us to make an appointment before visiting.

Main office & Service Center:
Kirkwood, MO

Mailing Address:
Interlock of St. Louis, Inc.
334 S. Fillmore Ave.
Kirkwood, MO 63122

Office Hours:

Start a Corporate Account for your Fleet of vehicles.

Protect your loved ones with a voluntary interlock device.