Complete Lock And Key is your Downers Grove locksmith near you, providing a full range of locksmith services in Downers Grove IL including 24 hour emergency service, automotive, residential and commercial locksmith service for your home, business and car. Lockouts, Rekeys, Safe Unlocking, and more. Also serving Westmont, Lisle, Woodridge and Willowbrook, Illinois. Dispatch Address: 5700 Walnut Ave, Downers Grove, IL 60516.