"Chicago's most exclusive address — 66 units, Robert A.M. Stern, and a price to match."
Upper Level's exclusive rating for Chicago winter survivability — indoor parking, pedway access, CTA proximity, and wind exposure.
No. 9 Walton is Chicago's most exclusive residential building. Designed by Robert A.M. Stern Architects — the same firm behind 520 Park Avenue in New York — the building has only 66 units across 38 floors. The architecture is classical and refined, a deliberate contrast to the glass towers that dominate Chicago's skyline.
The building is exceptional in every way. The management is flawless. The amenities are private and uncrowded. The units are enormous by any standard. The Gold Coast location is the best in Chicago.
The price is equally exceptional. You're looking at $2M minimum for a two-bedroom. HOA fees are substantial. This is for a very specific buyer.
Chicago's wealthiest residents. CEOs, private equity partners, and old money families. The building is discreet and private — residents value anonymity.
Gold Coast at its finest. Tree-lined streets, proximity to the lake, and the best restaurants and shops in Chicago.
With only 66 units and 3 elevators, you'll rarely see another resident. This is the most private building in Chicago. If anonymity and exclusivity are priorities, nothing compares.
No. 9 Walton is the best building in Chicago for buyers who prioritize privacy, exclusivity, and architectural quality above all else. The price is extreme but the product is exceptional.
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See how No. 9 Walton stacks up against similar buildings side by side.
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Boutique Gold Coast luxury — small building, big quality.

1960s urban renewal on the Gold Coast edge — 2,800 units, two pools, and finishes that haven't changed since the Kennedy administration.

A 1968 brick tower on Lake Shore Drive — the address is right, but the building hasn't kept pace with the neighborhood around it.