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Global
Height rank
Height rank
Rainier Square
Seattle
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Metrics
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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).
258.2 m
/ 847 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."
258.2 m
/ 847 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.
243.2 m / 798 ft
1
2
3
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).
58
Below Ground
The number of floors below ground should include all major floors located below the ground floor level.
7
Height
258.2 m /
847 ft
Floors
58
Official Name
The current legal building name.
Rainier Square
Name of Complex
A complex is a group of buildings which are designed and built as pieces of a greater development.
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
2020
Country
The CTBUH follows the United Nations's definition of Country, and thus
uses the lists and codes established by that organization.
City
The CTBUH follows the United Nations's definition of City, and thus uses the
lists and codes established by that organization.
Address
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.
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 / office
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.
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.
composite
Core
Concrete Filled Steel
Columns
Concrete Filled Steel
Floor Spanning
Steel
Energy Label
Tracking LEED
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."
258.2 m / 847 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).
258.2 m / 847 ft
Occupied
Height is measured from the level of the lowest, significant, open-air, pedestrian entrance to the highest occupied floor within the building.
243.2 m / 798 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).
58
Floors Below Ground
The number of floors below ground should include all major floors located below the ground floor level.
7
# of Apartments
Number of Apartments refers to the total number of residential units (including both rental units and condominiums) contained within a particular building.
189
# of Parking Spaces
Number of Parking Spaces refers to the total number of car parking spaces contained within a particular building.
1000
# 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).
31
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.
102,193 m² / 1,099,996 ft²
Rankings
-
By function
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-
By material
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#
461
Tallest in the World
#
69
Tallest in
North America
#
62
Tallest in
United States
#
2
Tallest in
Seattle
#
163
Tallest Mixed-use Building in the World
#
17
Tallest Mixed-use Building in
North America
#
14
Tallest Mixed-use Building in
United States
#
1
Tallest Mixed-use Building in
Seattle
#
221
Tallest Composite Building in the World
#
22
Tallest Composite Building in
North America
#
20
Tallest Composite Building in
United States
#
2
Tallest Composite Building in
Seattle
Construction Schedule
2014
Proposed
2017
Construction Start
2020
Completed
Developer
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.
Structural Engineer
Engineer of Record
The Engineer of Record takes the balance of the engineering effort not executed by the “Design Engineer,” typically responsible for construction documents, conforming to local codes, etc.
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.
Other Consultant
Other Consultant refers to other organizations which provided significant consultation services for a building project (e.g. wind consultants, environmental consultants, fire and life safety consultants, etc).
Other Consultant refers to other organizations which provided significant consultation services for a building project (e.g. wind consultants, environmental consultants, fire and life safety consultants, etc).
Interiors
Material Supplier
Material Supplier refers to organizations which supplied significant systems/materials for a building project (e.g. elevator suppliers, facade suppliers, etc).
Material Supplier refers to organizations which supplied significant systems/materials for a building project (e.g. elevator suppliers, facade suppliers, etc).
Elevator
Façade Maintenance Equipment
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Owner
RSQ Tower LLC
Developer
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.
Structural Engineer
Engineer of Record
The Engineer of Record takes the balance of the engineering effort not executed by the “Design Engineer,” typically responsible for construction documents, conforming to local codes, etc.
MEP Engineer
Engineer of Record
The Engineer of Record takes the balance of the engineering effort not executed by the “Design Engineer,” typically responsible for construction documents, conforming to local codes, etc.
Gerber Engineering; MacDonald Miller Facility Solutions; Prime Electric; PSF Mechanical
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.
Lease Crutcher Lewis, LLC; Turner Construction Company
Other Consultant
Other Consultant refers to other organizations which provided significant consultation services for a building project (e.g. wind consultants, environmental consultants, fire and life safety consultants, etc).
Other Consultant refers to other organizations which provided significant consultation services for a building project (e.g. wind consultants, environmental consultants, fire and life safety consultants, etc).
Development
The Schuster Group
Interiors
Ankrom Moisan; NBBJ
Landscape
Gustafson, Guthrie, & Nichol
Property Management
Greystar Real Estate Partners
Material Supplier
Material Supplier refers to organizations which supplied significant systems/materials for a building project (e.g. elevator suppliers, facade suppliers, etc).
Material Supplier refers to organizations which supplied significant systems/materials for a building project (e.g. elevator suppliers, facade suppliers, etc).
Cladding
Custom Metal Contracting; DeaMor; Guardian Industries Corp.; Herzog Glass; Sentech Architectural Systems; Viracon; Walters & Wolf
Elevator
Façade Maintenance Equipment
Steel
The Erection Company
CTBUH Awards & Distinctions
Best Tall Mixed-Use Building 2022 Award of Excellence
2022 CTBUH Awards
Innovation Award 2022 Award of Excellence
2022 CTBUH Awards
Construction Award 2021 Winner
2021 CTBUH Awards
CTBUH Initiatives
CTBUH Seattle Chapter Fall Workshop: 50 Forward / 50 Back
7 November 2019 - Event
29 October 2015 - Event
Global News
21 September 2021
Seattle Mixed-Use Tower Has Welcomed Residents
The Residences at Rainier Square have started welcoming their first occupants as of this summer. Located in downtown Seattle, the mixed-use project from Wright Runstad...
Global News
21 September 2021
Seattle Mixed-Use Tower Has Welcomed Residents
The Residences at Rainier Square have started welcoming their first occupants as of this summer. Located in downtown Seattle, the mixed-use project from Wright Runstad...
21 August 2019
Seattle’s Rainier Square Tops Out
With construction topping off, Rainier Square is set to become the second-tallest skyscraper in the city of Seattle. The last steel beam was placed on...
05 April 2019
Amazon Planning to Move Worldwide Operations Team from Seattle to Bellevue
In yet another sign that Amazon is cooling on its hometown of Seattle, the retail-entertainment-tech giant says it is planning to move its entire...
04 March 2019
E-Commerce Giant Backs Out of Seattle’s Rainier Square
Long Island City isn’t the only place that Amazon is pulling out of. The tech giant made waves when it threatened to withdraw from its...
CTBUH Initiatives
7 November 2019
The CTBUH Seattle Chapter hosts its annual fall workshop, discussing upcoming building code updates and urban planning for density.
30 October 2015
CTBUH 2015 delegates toured Seattle, gateway to Asia and icon of the Pacific Northwest, where they witnessed a showcase of tall building and technological innovation.
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