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John Chau, Robert J. Frasca, Brooks R. Gunsul, Karen Gunsul, Sean Kendig, Doss Mabe, Whitney Pearce, Denise Sico, Norman Cunningham Zimmer, Robert Zimmerman

Active 1966-present

Firm Notes

Zimmer Gunsul Frasca (ZGF) was headquartered in Portland, OR, and maintained offices in Seattle, WA, Los Angeles, CA, and Washington, D.C. in 2005.

ZGF's Seattle Office opened in the summer of 1988. (See Marsha King, "Feats of Clay--Architects Turn Back to Terra Cotta to Bring Vivid Colors to Buildings," Seattle Times, 03/12/1989, p. L1.)

ZGF received the American Institute of Architects' Architecture Firm Award, one its highest honors, in 1991.

In 2005, the firm employed 350, 24 principals, 66 associate partners and 61 associates. In 2007, the firm was known as Zimmer Gunsul Frasca Architects LLP.

According to data compiled by McGraw-Hill Construction, ZGF was, in 2011, the 14th largest architectural firm in the US, up from 17th the previous year.

By 2022, ZGF had over 750 employees in seven offices in the US and Canada. They were: Los Angeles, CA, (515 South Flower Street, Suite #3700, Los Angeles, California 90071); New York, NY, (39 West 19th Street, 12th Floor, New York, New York 10011); Portland, OR, (1223 SW Washington Street, Suite #200, Portland, OR 97205); Seattle, WA, (925 4th Avenue, Suite #2400, Seattle, Washington 98104), Vancouver, BC, Canada, (355 Burrard Street, Suite #350, Vancouver, BC, V6C 2G8 Canada); Washington, DC, (600 14th Street NW, Suite #800, Washington, D.C. 20005); and Denver, CO, (1800 Wazee Street, Suite #300, Denver, CO 80202).

PCAD id: 509


NameDateCityState
1st National Bank of Portland, Headquarters Building #3, Downtown, Portland, OR1916PortlandOR
2nd Avenue and Seneca Building, Downtown, Seattle, WA1991SeattleWA
4th and Madison Building, Downtown, Seattle, WA2002SeattleWA
801 5th Avenue Office Building, Downtown, Seattle, WA2015-2017SeattleWA
American Can Company, Factory and District Office, Downtown, Seattle, WA1915-1916SeattleWA
Amtrak Railroad Station #2, Everett, WA2002EverettWA
City Center Plaza, Tower II, Downtown, Bellevue, WA2006-2009SeattleWA
Day, W. Robert, Fred Hutchinson Cancer Research Center Campus, Seattle, WASeattleWA
Eliot Condominium, SW Portland, Portland, OR2006PortlandOR
Great Northern Railway Company, King Street Depot #2, Pioneer Square, Seattle, WA1904-1906SeattleWA
King County, Library System (KCLS), Branch #2, Bothell, WA1995BothellWA
Oregon Convention Center, Lloyd District, Portland, OR1990PortlandOR
Oregon Health Sciences University, Vollum Institute for Advanced Biomedical Research, Portland, OR1987PortlandOR
Palos Verdes Library District, Peninsula Center Branch, Palos Verdes Estates, CAPalos Verdes EstatesCA
Providence Health and Services, Colby Campus, Regional Medical Center, Tower Building, Everett, WAEverettWA
Superior Court of California, County of Santa Clara, Family Justice Center, Central San Jose, San Jose, CA2013-2016San JoseCA
United States Public Health Service, Marine Hospital, Beacon Hill, Seattle, WA1930-1933SeattleWA
University of California, San Francisco (UCSF) Medical Center, Mission Bay Campus, Genentech Hall, San Francisco, CASan FranciscoCA
University of Oregon, School of Education Building, Eugene, OREugeneOR
University of Washington, Seattle (UW), Molecular Engineering Buildings Phases I and II, Seattle, WA2009-2011SeattleWA