Westport’s Emerald City Awaits. Katz in Kansas City’s lively Westport area, where the wonder of The Wizard of Oz comes alive. Here, every amenity is an adventure down the Yellow Brick Road – from our state-of-the-art fitness center to the grandest lobby, and the most luxurious pool deck in the land. Katz isn’t just a home; it’s your own Emerald City, where everyday life transforms into extraordinary experiences.