Gateway Crossing Apartments, McCordsville, IN, 46055. Bedrooms: 1-3. At Gateway Crossing we make your Home an enjoyable living experience. Please enjoy the online tour of our community here, or go to www.HomeisGatewayCrossing.com for a J.C. Hart Company online experience. Our residents believe the location, apartments, and amenities of Gateway Crossing make it one of the best choices in the McCordsville, Geist, and Eastside Indianapolis areas. We would love the opportunity to assist you in finding your new home.