HiLine at Littleton Commons offers one, two and three-bedroom apartment homes in Littleton, Colorado. Our modern, luxury apartments feature sophisticated finishes and unrivaled amenities that are sure to impress. Relax with friends and family at our expansive resort-style pool with cabana area, outdoor grilling stations and fireplaces, or spoil your furry friends at our dog park and wash station! Our 24-hour state of-the-art fitness center includes an array of cardio and weight machines, free weights, and stabilization equipment sure to help you surpass all your fitness goals.