CENTURY 21 New Heritage. belongs to the Multiple Listing Service of Northern Illinois, the multiple listing network that covers electronic real estate listings from Lake Michigan on the east to DeKalb on the west, Wisconsin on the north, to Kankakee on the south. This multiple listing service allows our agents to provide you with all the information needed to make an informed decision about your real estate purchase or sale. If you're thinking of buying or selling a home in the Northwest Suburbs of Chicago, we'd like to be your REALTOR. We will serve you with the same dedication and integrity that has made us an award winning office through the years.