Dallas-based three: living architecture is a global leader in hospitality and senior living design and prides itself on designing unique properties of lasting significance. With more than thirty years of experience in the four and five star hospitality/senior living industry, three is regularly recognized by top industry awards for “best in class” designs, worldwide. three: living architecture has specialized in Senior Living for over twenty-one years and has overseen over two billion dollars of senior living communities project costs in twenty-seven built communities.