Blackstone Plaza

Blackstone Plaza (formerly named Kiewit Plaza) is a 210-foot-tall (64.0 m), 15-story high-rise office building in Omaha, Nebraska, United States. It is located at 3555 Farnam Street at the corner of South 36th Street.^[1] It was built from 1960 to 1961, and is designed in the modernist architectural style.^[1][2]

Blackstone Plaza
Blackstone (then Kiewit) Plaza in 2010. The building has since been repainted black.
Former names	Kiewit Plaza
General information
Type	Skyscraper
Address	3555 Farnam Street
Town or city	Omaha, Nebraska
Country	United States
Construction started	1960
Completed	1961
Height	210 ft (64 m)
Technical details
Floor count	15
Other information
Public transit access	Metro Transit

It has been home to the headquarters of Kiewit Corporation and Berkshire Hathaway since 1962 when Warren Buffett consolidated his six partnerships into one partnership headquartered in this building.^[3]

Out of Berkshire Hathaway's nearly 400,000 employees, only 27 were employed at Blackstone Plaza as of the end of 2024.^[4]

Kiewit Plaza was purchased by Blackstone Plaza LLC on October 15, 2019.^[5]

The most recent renovations were be done in 2021. Amenities of the building include an on-site car mechanic, a barber shop, and a wellness center.^[6][7] Since 2022, the building is home to WOWT Channel 6.^[8]