523
Global
Height rank

The Legacy at Millennium Park

Chicago
Height
1
To Tip:

Height is measured from the level of the lowest, significant, open-air, pedestrian entrance to the highest point of the building, irrespective of material or function of the highest element (i.e., including antennae, flagpoles, signage and other functional-technical equipment).

249.3 m / 818 ft
2
Architectural:

Height is measured from the level of the lowest, significant, open-air, pedestrian entrance to the architectural top of the building, including spires, but not including antennae, signage, flag poles or other functional-technical equipment. This measurement is the most widely utilized and is employed to define the Council on Tall Buildings and Urban Habitat (CTBUH) rankings of the "World's Tallest Buildings."

249.3 m / 818 ft
3
Occupied:

Height is measured from the level of the lowest, significant, open-air, pedestrian entrance to the highest occupied floor within the building.

231 m / 758 ft
1 2 3 The Legacy at Millennium Park Outline
Floors
Above Ground

The number of floors above ground should include the ground floor level and be the number of main floors above ground, including any significant mezzanine floors and major mechanical plant floors. Mechanical mezzanines should not be included if they have a significantly smaller floor area than the major floors below. Similarly, mechanical penthouses or plant rooms protruding above the general roof area should not be counted. Note: CTBUH floor counts may differ from published accounts, as it is common in some regions of the world for certain floor levels not to be included (e.g., the level 4, 14, 24, etc. in Hong Kong).

73
Below Ground

The number of floors below ground should include all major floors located below the ground floor level.

1
Height 249.3 m / 818 ft
Floors 73
Official Name
The current legal building name.

The Legacy at Millennium Park

Type
CTBUH collects data on two major types of tall structures: 'Buildings' and 'Telecommunications / Observation Towers.' A 'Building' is a structure where at least 50% of the height is occupied by usable floor area. A 'Telecommunications / Observation Tower' is a structure where less than 50% of the structure's height is occupied by usable floor area. Only 'Buildings' are eligible for the CTBUH 'Tallest Buildings' lists.

Building

Status
Completed
Architecturally Topped Out
Structurally Topped Out
Under Construction
Proposed
On Hold
Never Completed
Vision
Competition Entry
Canceled
Proposed Renovation
Under Renovation
Renovated
Under Demolition
Demolished

Completed

Completion

2010

Country
The CTBUH follows the United Nations's definition of Country, and thus uses the lists and codes established by that organization.

United States

City
The CTBUH follows the United Nations's definition of City, and thus uses the lists and codes established by that organization.

Chicago

Function
A single-function tall building is defined as one where 85% or more of its usable floor area is dedicated to a single usage. Thus a building with 90% office floor area would be said to be an "office" building, irrespective of other minor functions it may also contain.

A mixed-use tall building contains two or more functions (or uses), where each of the functions occupy a significant proportion of the tower's total space. Support areas such as car parks and mechanical plant space do not constitute mixed-use functions. Functions are denoted on CTBUH "Tallest Building" lists in descending order, e.g., "hotel/office" indicates hotel function above office function.

residential

Structural Material
Steel
Both the main vertical/lateral structural elements and the floor spanning systems are constructed from steel. Note that a building of steel construction with a floor system of concrete planks or concrete slab on top of steel beams is still considered a “steel” structure as the concrete elements are not acting as the primary structure.

Reinforced Concrete
Both the main vertical/lateral structural elements and the floor spanning systems are constructed from concrete which has been cast in place and utilizes steel reinforcement bars.

Precast Concrete
Both the main vertical/lateral structural elements and the floor spanning system are constructed from steel reinforced concrete which has been precast as individual components and assembled together on-site.

Mixed-Structure
Utilizes distinct systems (e.g. steel, concrete, timber), one on top of the other. For example, a steel/concrete indicates a steel structural system located on top of a concrete structural system, with the opposite true of concrete/steel.

Composite
A combination of materials (e.g. steel, concrete, timber) are used together in the main structural elements. Examples include buildings which utilize: steel columns with a floor system of reinforced concrete beams; a steel frame system with a concrete core; concrete-encased steel columns; concrete-filled steel tubes; etc. Where known, the CTBUH database breaks out the materials used in a composite building’s core, columns, and floor spanning separately.

concrete

Height
Architectural
Height is measured from the level of the lowest, significant, open-air, pedestrian entrance to the architectural top of the building, including spires, but not including antennae, signage, flag poles or other functional-technical equipment. This measurement is the most widely utilized and is employed to define the Council on Tall Buildings and Urban Habitat (CTBUH) rankings of the "World's Tallest Buildings."

249.3 m / 818 ft

To Tip
Height is measured from the level of the lowest, significant, open-air, pedestrian entrance to the highest point of the building, irrespective of material or function of the highest element (i.e., including antennae, flagpoles, signage and other functional-technical equipment).
249.3 m / 818 ft
Occupied
Height is measured from the level of the lowest, significant, open-air, pedestrian entrance to the highest occupied floor within the building.
231.0 m / 758 ft
Floors Above Ground
The number of floors above ground should include the ground floor level and be the number of main floors above ground, including any significant mezzanine floors and major mechanical plant floors. Mechanical mezzanines should not be included if they have a significantly smaller floor area than the major floors below. Similarly, mechanical penthouses or plant rooms protruding above the general roof area should not be counted. Note: CTBUH floor counts may differ from published accounts, as it is common in some regions of the world for certain floor levels not to be included (e.g., the level 4, 14, 24, etc. in Hong Kong).

73

Floors Below Ground
The number of floors below ground should include all major floors located below the ground floor level.

1

# of Apartments
Number of Apartments refers to the total number of residential units (including both rental units and condominiums) contained within a particular building.

356

# of Parking Spaces
Number of Parking Spaces refers to the total number of car parking spaces contained within a particular building.

453

# of Elevators
Number of Elevators refers to the total number of elevator cars (not shafts) contained within a particular building (including public, private and freight elevators).

7

Tower GFA
Tower GFA refers to the total gross floor area within the tower footprint, not including adjoining podiums, connected buildings or other towers within the development.

99,649 m² / 1,072,613 ft²

Rankings
#
523
Tallest in the World
#
76
Tallest in North America
#
68
Tallest in United States
#
16
Tallest in Chicago
#
96
Tallest Residential Building in the World
#
15
Tallest Residential Building in North America
#
13
Tallest Residential Building in United States
#
3
Tallest Residential Building in Chicago
#
223
Tallest Concrete Building in the World
#
31
Tallest Concrete Building in North America
#
26
Tallest Concrete Building in United States
#
10
Tallest Concrete Building in Chicago
Construction Schedule
2004

Proposed

2007

Construction Start

2010

Completed

Architect
Design

Usually involved in the front end design, with a "typical" condition being that of a leadership role through either Schematic Design or Design Development, and then a monitoring role through the CD and CA phases.

MEP Engineer
Design

The Design Engineer is usually involved in the front end design, typically taking the leadership role in the Schematic Design and Design Development, and then a monitoring role through the CD and CA phases.

Material Supplier

Material Supplier refers to organizations which supplied significant systems/materials for a building project (e.g. elevator suppliers, facade suppliers, etc).

Formwork
Owner
Newcastle Limited
Developer
Mesa Development Company; Monroe/Wabash Development, LLC
Architect
Design

Usually involved in the front end design, with a "typical" condition being that of a leadership role through either Schematic Design or Design Development, and then a monitoring role through the CD and CA phases.

Architect of Record

Usually takes on the balance of the architectural effort not executed by the "Design Architect," typically responsible for the construction documents, conforming to local codes, etc. May often be referred to as "Executive," "Associate," or "Local" Architect, however, for consistency CTBUH uses the term "Architect of Record" exclusively.

McGuire Igleski
Structural Engineer
Design

The Design Engineer is usually involved in the front end design, typically taking the leadership role in the Schematic Design and Design Development, and then a monitoring role through the CD and CA phases.

CS Associates, Inc.
MEP Engineer
Design

The Design Engineer is usually involved in the front end design, typically taking the leadership role in the Schematic Design and Design Development, and then a monitoring role through the CD and CA phases.

Contractor
Main Contractor

The main contractor is the supervisory contractor of all construction work on a project, management of sub-contractors and vendors, etc. May be referred to as "Construction Manager," however, for consistency CTBUH uses the term "Main Contractor" exclusively.

Walsh Construction
Material Supplier

Material Supplier refers to organizations which supplied significant systems/materials for a building project (e.g. elevator suppliers, facade suppliers, etc).

Formwork

CTBUH Initiatives

Study on Sustainability Implications of Urban + Suburban Location

1 February 2014 - CTBUH Research

CTBUH Releases Tallest Buildings Completed in 2010

31 December 2010 - CTBUH Journal

Videos

17 October 2016 | Chicago

Dense Downtown vs. Suburban Dispersed: A Pilot Study on Sustainability

This research is focused on quantitatively investigating and comparing the environmental and social sustainability of people’s lifestyles in terms of embodied energy, operational energy use,...

Research

02 June 2017

Dense Downtown vs. Suburban Dispersed: A Pilot Study on Urban Sustainability

Antony Wood & Peng Du, Council on Tall Buildings and Urban Habitat

This paper presents the initial findings of a ground-breaking two-year CTBUH-funded research project investigating the real environmental and social sustainability of people’s lifestyles in a...

About The Legacy at Millennium Park

The Legacy at Millennium Park is a residential tower that rises from the heart of Chicago’s Loop while seamlessly interacting at street level with the fabric of its landmark neighborhood. The tower maximizes its urban site, incorporating 356 residences and associated amenities with academic space for the School of the Art Institute of Chicago (SAIC), expanded athletic facilities for the century-old University Club, retail, and residential parking.

The building site is within the Jeweler’s Row Historic District, surrounded by landmark buildings. The development restored the façades of three vacant six-story buildings on the site, and incorporates them into the base of the tower. The Legacy lobby is within the SAIC building and the parking entrance is through the façades on Wabash. The project effectively and thoroughly integrates itself into its existing ground plane context. Building setbacks above the façades allow the Legacy to fit with its small-scaled neighbors. A portion of the tower cantilevers over a private alley on the east side to accent the slender profile of the building from the park and augment the lakefront views to the north and south.

17 October 2016 | Chicago

Dense Downtown vs. Suburban Dispersed: A Pilot Study on Sustainability

This research is focused on quantitatively investigating and comparing the environmental and social sustainability of people’s lifestyles in terms of embodied energy, operational energy use,...

17 September 2014 | Chicago

CTBUH Research Project: The Sustainability Implications of Urban + Suburban Locations – Initial Report

It is widely accepted that the concentration of people in denser cities – sharing space, infrastructure, and facilities – offers much greater energy efficiency than...

02 June 2017

Dense Downtown vs. Suburban Dispersed: A Pilot Study on Urban Sustainability

Antony Wood & Peng Du, Council on Tall Buildings and Urban Habitat

This paper presents the initial findings of a ground-breaking two-year CTBUH-funded research project investigating the real environmental and social sustainability of people’s lifestyles in a...

17 October 2016

Dense Downtown vs. Suburban Dispersed: A Pilot Study on Urban Sustainability

Antony Wood & Peng Du, Council on Tall Buildings and Urban Habitat

This paper presents the initial findings of a ground-breaking two-year CTBUH-funded research project investigating the real environmental and social sustainability of people’s lifestyles in a...

16 September 2014

CTBUH Research Project: The Sustainability Implications of Urban + Suburban Locations – Initial Report

Peng Du & Antony Wood, CTBUH

It is widely accepted that the concentration of people in denser cities – sharing space, infrastructure, and facilities – offers much greater energy efficiency than...

01 May 2011

The High Life: Residential Towers in Central Business Districts

Peter Noone, Gary Klompmaker & Crista Sumanik, Solomon Cordwell Buenz (SCB)

These buildings serve growing segments of the population who desire amenity-rich lifestyles and safe urban homes. They serve cities that desire significant real estate tax...

31 December 2010

Tallest Buildings Completed in 2010

CTBUH Research

In a year dominated by news coverage of the new “World’s Tallest Building” – Burj Khalifa, Dubai – one may be surprised to learn that,...

1 February 2014

Study on Sustainability Implications of Urban + Suburban Location

CTBUH is conducting a research study aimed at understanding the contributing factors of “sustainability” in both urban and suburban contexts.

31 December 2010

CTBUH Releases Tallest Buildings Completed in 2010

In a year dominated by news coverage of the new “World’s Tallest Building” – Burj Khalifa, Dubai – one may be surprised to learn that, besides being the year in which a building first surpassed the 600, 700, and 800-meter thresholds, 2010 has seen the completion of more skyscrapers than any previous year in history.

21 October 2009

Legacy Tour

Attendees of the 2009 CTBUH Chicago Conference toured The Legacy at Millennium Park, one of the newest addition to the downtown loop area residential stock.

5 July 2009

CTBUH Chicago Helicopter Tour

CTBUH members toured many of the extensive Chicago skyscrapers as part of the Chicago Skyscrapers Summer Tour Program.

22 May 2009

CTBUH Summer Tall Tours Underway – Legacy at Millennium Park

The first of three CTBUH construction tours held in Chicago during the summer of 2009 was attended by 30 people, at the Legacy.