For quality Tucson home Window Replacement, doors, kitchen & bath remodels, additions or garages, trust the experienced professionals at Sterling. For a Free Estimate, call today: (520) 298-1600. Sterling Building and Design of Tucson offers a large assortment of energy-efficient replacement windows and sliding glass patio doors. Our professionally installed windows and doors not only look beautiful, they are made to last for years to come. We have replacement windows and patio doors that are perfectly suited for any residential or commercial application. And, we make sure that the work is done right – the first time. It’s no wonder why Sterling is Tucson’s leading new window and door replacement company. Looking for a full or partial kitchen remodel? We got you covered. From home additions to garage work, our years of experience provides quality home improvement work for our Tucson community from A to Z.