Union Square is a

skyscraper A skyscraper is a tall continuously habitable building having multiple floors. Modern sources currently define skyscrapers as being at least or in height, though there is no universally accepted definition. Skyscrapers are very tall high-ris ...

complex at Sixth Avenue between Union and University Streets in Downtown Seattle,

Washington Washington commonly refers to: * Washington (state), United States * Washington, D.C., the capital of the United States ** A metonym for the federal government of the United States ** Washington metropolitan area, the metropolitan area centered o ...

, adjacent to

Freeway Park Freeway Park, officially known as Jim Ellis Freeway Park, is an urban park in Seattle, Washington, United States, connecting the city's downtown to the Washington State Convention Center and First Hill. The park sits atop a section of Interstat ...

. It consists of two skyscrapers built in the 1980s and primarily used for office space. The entire complex features a 1,100-stall parking garage, a courtyard, a retail plaza spanning three stories and an underground pedestrian concourse that connects with the

Fifth Avenue Theater Fifth Avenue Theatre was a Broadway theatre in New York City in the United States located at 31 West 28th Street and Broadway (1185 Broadway). It was demolished in 1939. Built in 1868, it was managed by Augustin Daly in the mid-1870s. In 1877, ...

and

Rainier Square Rainier Tower is a 41-story, skyscraper in the Metropolitan Tract of Seattle, Washington, at 1301 Fifth Avenue. It was designed by Minoru Yamasaki, who designed the World Trade Center in New York City as well as the IBM Building, which is on ...

. Both structures were awarded LEED certification in 2009 and eventually received LEED Platinum certification 6 years later as a result of reduced annual energy consumption by 40 percent through recent renovations. The entire complex is currently managed by Washington Holdings, a real estate firm also known as Union Square LLC which is based in Seattle.

Buildings

One Union Square

One Union Square is an aluminum clad skyscraper consisting of 36 floors with 2 floors below ground. Construction of this class A office building was completed in 1981. It is the first office building in Seattle to house all life-support systems in one location. The architect of One Union Square was TRA.

Two Union Square

Construction on Two Union Square began in 1987 and was complete by 1989. When accounting for the tip of the flag pole, the building is the second-tallest building in the Seattle skyline. The Seattle-based architectural firm

NBBJ NBBJ is an American global architecture, planning and design firm with offices in Boston, Columbus, Hong Kong, London, Los Angeles, New York, Portland, Pune, San Francisco, Seattle, Shanghai, and Washington, D.C.. NBBJ provides services in arch ...

designed the tower, which was dedicated on July 29, 1989. Two Union Square has 56 floors with of rentable space, and an underground concourse connecting to the Seattle Hilton Hotel, and shopping at

. It is the first skyscraper to use 19,000 lbs/in.² high-strength concrete.

Tenants

* AB Berstein * Alston, Courtnage & Bassetti LLP * Apex Companies, LLC * Apple, Inc. * AmWins * Arboretum Mortgage * Avenue 55 * BDO * Bennett, Bigelow & Leedom P.S. * BlackRock Financial * Bush Strout & Kornfeld * Chapter 13 Trustee * Colliers International * Ederer Investment Company * Edge Asset Management * First Choice Health * Flinn Ferguson * Floyd, Snider * Frazier Healthcare * Gordon, Tilden, Thomas, Cordell * GreaterGood Network * HDR, Inc. * Homestreet Bank * Horizon Realty Advisors, LLC * Integra Realty Resources * Jones Lang LaSalle * Kidder Mathews * Kosmos Management * Lasher Holzapfel Sperry & Ebberson * LBA Realty * Littler Mendelson, PC * Lockton * The Lyman Group * Marcus & Millichap * McNaul, Ebel, Hawrot & Nelgren PLLC *

Morgan Stanley Wealth Management Morgan Stanley Wealth Management is an American Multinational corporation, multinational financial services corporation specializing in Broker, retail brokerage. It is the wealth & asset management division of Morgan Stanley. On January 13, 2009, ...

* National Center for APEC * Northwestern Mutual Financial Network * Pacific Project Management (PPM) * Paragon Real Estate Advisors * Penrith Home Loans * Pillar International Insurance Advisors * Porter Foster Rorick LLP *

Protiviti Protiviti Inc. (Protiviti) is a global consulting firm headquartered in Menlo Park and San Ramon, California, that provides consulting in internal audit, risk and compliance, technology, business processes, data analytics and finance. It is ...

* Robert A. Underhill *

Robert Half International Robert Half, formally referred to as Robert Half International Inc., is a global human resource consulting firm based in Menlo Park and San Ramon, California, founded in 1948. It is a member of the S&P 500, and is credited as being the world's ...

* Sashen Ventures * Seattle Chamber Music * Stoel Rives LLP * USI Insurance Services Northwest *

Wedbush Securities Wedbush Securities Inc. is a privately held investment firm based in Los Angeles. As of February 2022, the firm had $4.1 billion under management with 7,460 clients. History The firm was founded in 1955 by two high school friends, Ed ...

* Williams Kastner *

Willis Towers Watson Willis Towers Watson Public Limited Company is a British-American multinational insurance advisor company. The company was founded in 2016, following a merger of the Willis Group and Towers Watson. Overview WTW operates in more than 140 co ...

References

External links

Union Square official websiteSeattle Virtual tour
at Bohonus VR Photography {{Seattle Skyscrapers NBBJ buildings Skyscraper office buildings in Seattle Twin towers Downtown Seattle Office buildings completed in 1981 Office buildings completed in 1989