Seattle

United States

Facts

Population

2,615,060 (2011)

Area

630 km² • 243 mi²

Density

4,150.9 people per km²

10,750.8 people per mi²

First 150m+ Building

Safeco Plaza (1969)

Tallest Building

Columbia Center (284 m)

Rankings

by no. of 150m+ completed buildings

Tallest City in

the World

Tallest City in

North America

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	F5 Tower	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	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	Platinum	383	CIV • STRC • WIND • ENVE • PMNG • COST • FAC • FIRE • MEP • VERC
Langan Engineering	Platinum	98	CIV • LAND • ENVE • ENGM • GEO • SEIS • SURV
Skidmore, Owings & Merrill	Platinum	343	CIV • INTR • LAND • STRC • URB • ARCH • ENVE • MRKT • MEP • TRAN
Thornton Tomasetti, Inc.	Platinum	154	CIV • STRC • URB • ARCH • ENVE • PMNG • COMP • ENGM • ENGO • FAC • FACS • FIRE • GEO • HIST • INSU • MEP • SEC • SEIS • TRAN
DCI Engineers	Gold	4	STRC • SEIS
Magnusson Klemencic Associates	Gold	80	CIV • STRC • SEIS
3MIX	Silver	2	ARCH
Cary Kopczynski & Company	Silver	0	STRC
Coughlin Porter Lundeen	Silver	1	CIV
GGLO	Silver	1	ARCH
HEWITT Architects	Silver	0	ARCH
LMN Architects	Silver	2	ARCH
Mithun	Silver	0
OAC Services, Inc.	Silver	0	ENGM
StructureCraft	Silver	0	STRC

CTBUH People & Events

CTBUH Advisory Group

Don Davies

Magnusson Klemencic Associates

CTBUH 2023 Regional Conferences

11 May-08 September 2023

In tandem with the launch of three Regional “Hubs…

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

28 September 2022

Join the CTBUH Seattle Future Leaders Committee,…

Videos

23 May 2022

Heartwood Workforce Housing : Glulam / CLT and Steel BRB Frames

Heartwood is a 126-unit workforce housing project, one of the first Type IV-C 8-story mass timber/steel hybrid and is currently under construction in Seattle, WA....

View all

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....

View all

Global News

22 November 2022

Seattle Apartment Building Receives Investment from Developer

Skanska starts work in December 2022 on a 31-story apartment building it’s developing in the hip Belltown neighborhood of Seattle, Washington. Dubbed “Kaye,” the building will...

View all