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	455	CIV • STRC • WIND • ENVE • PMNG • COST • FAC • FIRE • MEP • VERC
Langan	Platinum	103	CIV • LAND • ENVE • ENGM • GEO • SEIS • SURV
Skidmore, Owings & Merrill	Platinum	358	CIV • INTR • LAND • STRC • URB • ARCH • ENVE • MRKT • MEP • TRAN
Thornton Tomasetti, Inc.	Platinum	210	CIV • STRC • URB • ARCH • ENVE • PMNG • COMP • ENGM • ENGO • FAC • FACS • FIRE • GEO • HIST • INSU • MEP • SEC • SEIS • TRAN
DCI Engineers	Gold	5	STRC • SEIS
Magnusson Klemencic Associates	Gold	103	CIV • STRC • SEIS
3MIX	Silver	2	ARCH
Cary Kopczynski & Company	Silver	0	STRC
Coughlin Porter Lundeen	Silver	1	CIV
GGLO	Silver	1	ARCH
Glacier Northwest, Inc. DBA CalPortland	Silver	0	MATR
HEWITT Architecture	Silver	0	ARCH
IPB Properties	Silver	0	DEV
Mithun	Silver	0	URB
OAC Services, Inc.	Silver	0	ENGM
StructureCraft	Silver	0	STRC

CTBUH People & Events

CTBUH Advisory Group

Don Davies

Davies-Crooks Associates

CTBUH Seattle Future Leaders Presents: Bellevue 600

12 September 2024

Join the CTBUH Seattle Future Leaders for a…

CTBUH Seattle Presents: Breathing New Life into the City

09 May 2024

Join the CTBUH Seattle Chapter for a presentation…

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....

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Research

05 July 2023

We All Love to Get High: Optimizing Observation Deck Design

Height is aspirational, and having the best view from that height has become a driver in contemporary tall building design. Likewise, observation decks are a...

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Global News

27 March 2024

Seattle Proposes Legislation for Commercial to Convert to Residential

Seattle Mayor Bruce Harrell has proposed legislation to make it easier for property owners to convert their commercial buildings for residential use. The new legislation...

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