Seattle

United States

Facts

Population

2,615,060 (2011)

Area

630 km²

243 mi²

Density

4150.9 people per km²

10750.8 people per mi²

# of 150m+ buildings

22 Completed • 0 Under Construction

First 150m+ Building

Safeco Plaza (1969)

Tallest Building

Columbia Center (284 m)

Most Common Function*

Office (82%)

Most Common Material*

Composite (48%)

Rankings

by no. of 150m+ completed buildings

65

Tallest City in

the World

10

Tallest City in

North America

8

Tallest City in

United States

Buildings

Rank	Name	Height
1	Columbia Center	284.4 m / 933 ft
2	Rainier Square	258.2 m / 847 ft
3	1201 Third Avenue Tower	235.3 m / 772 ft
4	Two Union Square	225.6 m / 740 ft
5	Seattle Municipal Tower	220.1 m / 722 ft
6	The Mark	196.8 m / 646 ft
7	Safeco Plaza	192 m / 630 ft
8	City Centre	184.8 m / 606 ft
9	Russell Investments Center	182.2 m / 598 ft
10	Wells Fargo Center	175 m / 574 ft

Building Completions Timeline

Seattle CTBUH Members

Name	City	Level	# of 150m+ buildings	Fields Of Expertise ACAD: Academic / University ARCH: Architecture BACS: Building Automation Control Systems BMNT: Building Maintenance CIV: Civil Engineering COMP: Computers / IT / Software CON: Construction / Contractor COST: Cost Consulting DEV: Developer ENGO: Engineering, Other ENVE: Environmental Engineering ENVP: Environmental Protection FAC: Façade Design / Engineering FIN: Financial Industry FIRE: Fire Engineering GEO: Geotechnic / Foundations HIST: Historical Preservation INSU: Insurance / Risk INTR: Interior Design LAND: Landscape Architecture LEGL: Legal MRKT: Marketing / Sales MATR: Materials / Products / Systems Supplier MEP: Mechanical, Electrical & Plumbing NONP: Non-Profit Org. / Assoc. / Gov't OWN: Owner (Buildings, Land) PMNG: Project Management PROP: Property Management RES: Research Institute SEC: Security Consultancy SEIS: Seismic Design STRC: Structural Engineering SURV: Surveying TRAN: Transportation / Urban Infrastructure URB: Urban Design VERC: Vertical Transportation Consultant WIND: Wind Engineering OTHR: Other FACS: Façade Systems VERS: Vertical Transportation Supplier ENGM: Engineering, Multi-discipline
Arup	Abu Dhabi	Platinum	378	CIV • STRC • WIND • ENVE • PMNG • COST • FAC • FIRE • MEP • VERC
Langan Engineering	Athens	Platinum	98	CIV • LAND • ENVE • ENGM • GEO • SEIS • SURV
Skidmore, Owings & Merrill	Chicago	Platinum	342	CIV • INTR • LAND • STRC • URB • ARCH • ENVE • MRKT • MEP • TRAN
Thornton Tomasetti, Inc.	Atlanta	Platinum	145	CIV • STRC • URB • ARCH • ENVE • PMNG • COMP • ENGM • ENGO • FAC • FACS • FIRE • GEO • HIST • INSU • MEP • SEC • SEIS • TRAN
Aedas	Abu Dhabi	Gold	111	INTR • LAND • URB • ARCH
DCI Engineers	Seattle	Gold	4	STRC • SEIS
Magnusson Klemencic Associates	Seattle	Gold	80	CIV • STRC • WIND • SEIS
3MIX	Seattle	Silver	2	ARCH
Cary Kopczynski & Company	Seattle	Silver	0	STRC • SEIS
Coughlin Porter Lundeen	Seattle	Silver	1	CIV • STRC • SEIS
GGLO	Los Angeles	Silver	1	INTR • LAND • URB • ARCH
Hewitt Architects	Seattle	Silver	0
LMN Architects	Seattle	Silver	2	INTR • URB • ARCH • TRAN
Mithun	Seattle	Silver	0
OAC Services, Inc.	Seattle	Silver	0	PMNG • CON • COST • ENGM • FACS • HIST • SEIS • TRAN • VERC
StructureCraft	Seattle	Silver	0	STRC
Telgian Engineering & Consulting, LLC	Atlanta	Silver	0	FIRE • SEC
VDA Elevator and Escalator Consulting	Atlanta	Silver	18	VERC
Wright Runstad & Co	Seattle	Silver	1	DEV
Washington State University	Seattle	Nonprofit/Governmental	0	ACAD

CTBUH People & Events

CTBUH Advisory Group

Don Davies

Magnusson Klemencic Associates

CTBUH Seattle Future Leaders Committee Presents: The Washington State Convention Center Expansion

28 September 2022

Join the CTBUH Seattle Future Leaders Committee,…

CTBUH Seattle Chapter Presents: Eastside Rising - How Development Will Be Driven By: Policy | Transit | Technology

05 May 2022

Join the CTBUH Seattle Chapter for a day focused…

Videos

23 May 2022

Three Projects, Three Levels Of Steel-Timber Hybrid Complexity

Case studies include Bullitt Center, Seattle, using steel BRB diagonal frames; Skylight, Portland, using GLT post-and-beam construction with steel tensioners and secondary frame; and 1...

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Research

04 April 2022

Advancing Tall Timber, One Code Revision at a Time

In 2021, several major obstacles were overcome in the path to adoption of mass timber as a viable option for high-rise construction in North America....

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Global News

07 April 2022

Retired Airplane to be Suspended Between a Seattle Complex

Japan-based architecture firm OSO has released a plan to suspend a Boeing 747 aircraft between two towers in a downtown Seattle complex designed by Henriquez...

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