From the rolling hills, green trees, and beautiful waterways the thriving city of Arnold, Missouri is a wonderful place to live. Nestled just minutes away from it all, the community of Rex Aire has something to offer for the entire family. Arnold, MO Apartments for Rent. Arnold is a terrific choice for your new apartment. Let Apartment Finder guide you in the process of finding your new home and getting a great deal! We provide a cost calculator, pricing tools, and more so you’ll know exactly what it will cost to live in the city you love. See where Starling Mobile Home Community ranks among the best Mobile Home Parks in Arnold, MO. Starling Mobile Home Community, 50 Starling Community Trlr Ct, 636-296-8333. 42 Apartments for rent and rental homes found in Arnold, MO. Use this guide to refine your results by beds, price, etc to suit your needs. Preview open floor plans and unique spaces, and get the details on exact square footage and amenities of each available rental to determine which is the right one for you.