company #760363235

Hellmuth, Obata & Kassabaum

active architect founded 1972

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Activity Rankings

#150 in Raleigh 1 building
#988 in United States 30 buildings
#1050 in North America 30 buildings
#1499 Worldwide 30 buildings

Object dataJoin to edit

Status	active
Role	architect
Founded	1972
City	Washington, DC
Country	United States

Source: SKYDB | As of: 2026-10-21

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Statistics

Buildings by decade

Click any bar to drill into that completion decade.

0 0% 2020s 4 14.3% 2010s 13 46.4% 2000s 7 25% 1990s 2 7.1% 1980s 2 7.1% 1970s 0 0% 1960s 0 0% 1950s 0 0% 1940s 0 0% 1930s 0 0% 1920s 0 0% 1910s 0 0% 1900s 2 not counted No Year

By status

Vision 1

Completed 29

By primary use

office 15

government 9

residential 3

sports 2

Other (3) 4

By floor count

1-9 floors 15

10-19 floors 12

20-39 floors 1

By height

Under 50 m 10

50-99 m 5