Green Door Apartments in Belleville Illinois has the best looking apartments in town. They are pet friendly apartments so bring your small dog or cat. Green Door Apartments offers washer/dryer hook ups in all units. The apartments are near SWIC, SAFB, Lindenwood University and only 20 minutes from downtown St. Louis. Green Door has one and two bedroom apartments. Green Door also has a few townhouses for rent. The extensive remodel includes new cabinets and granite counters. Come by for a tour M-F (8-5). Mike is the office Manager.