100 East Pratt Street

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100 East Pratt Street is a building located on Pratt Street in the Inner Harbor district of Baltimore, Maryland that consists of a ten-story concrete building finished in 1975 and a 1991 glass and steel twenty-eight story tower.[1]

100 East Pratt Street
100 East Pratt Street.jpg
General information
TypeBusiness and office
LocationBaltimore, Maryland, United States
Antenna spire418 ft (127 m)
Roof385 ft (117 m)
Technical details
Floor count28
Floor area635,297 sq ft (59,021.0 m2)
Design and construction
Architect(s)Skidmore, Owings & Merrill
Structural engineerSkidmore, Owings & Merrill LLP
Main contractorManganaro; The Whiting-Turner Contracting Company


The original concrete building was designed by Emery Roth & Sons and Pietro Belluschi, a leader of the Modern Movement in architecture. Groundbreaking on the site began in 1973 and construction finished in 1975.[3]

Against the backdrop of a nationwide economic downturn and the collapse of Baltimore's traditional harbor industries, the assessed values of downtown properties declined significantly by 1977, including 100 East Pratt, which was then leased by IBM.[4] After further economic and political turbulence in the 1980s, construction on the building was renewed and completed in 1992 by Skidmore, Owings & Merrill.[5] In 1997, the building's firm was bought by Boston Properties, and later bought by Wells Real Estate in 2005 for $205 million, and was added to the Wells REIT II portfolio.[6][7] In 2013, the portfolio became its own company and the name was changed to Columbia Property Trust, after which, in 2016, Columbia Property Trust sold the Pratt building to New Jersey-based Vision Properties for $187 million.[8]


Today, the building stands as a 418 ft. (128 m) tower made of aluminum, glass, and steel.[9] The building contains more than 600,000 square feet (56,000 m2) of office, retail, and conference space, as well as a fitness center on its twelfth floor. In addition to the main twenty-eight floor glass tower, are two smaller, adjoined structures: a ten-story south-facing concrete office building and an eight-level parking structure with nearly one thousand parking spaces.[10] The trusswork on the roof of the building, while attractive and able to be illuminated decoratively, is not ornamental: it provides suspension for the southern façade.


Current office space tenants include financial services firms such as T. Rowe Price, Merrill Lynch, and PricewaterhouseCoopers. Tenants occupying street-level retail space include Starbucks, Brio Tuscan Grille, and JoS. A. Bank Clothiers.


  1. ^ "Engineer's Guide to Baltimore".
  2. ^ "100 East Pratt Street". Skyscraper Center. CTBUH. Retrieved 2017-07-19.
  3. ^ "100 East Pratt Street Guide". Engineer's Guide to Baltimore.
  4. ^ "Downtown property assessments are cut by $19 million". The Baltimore Sun. 30 March 1977.
  5. ^ "100 East Pratt Street". Skyscraperpage.com.
  6. ^ "Baltimore's 100 E. Pratt deal closes after delay". Find Articles.com.
  7. ^ "Wells To Buy 100 E. Pratt Property To Go for $316/SF". Archived from the original on 2013-10-13. Retrieved 2013-09-07.
  8. ^ "100 East Pratt building sells for $187 million". The Baltimore Sun. 1 April 2016.
  9. ^ "100 East Pratt Street". Emporis.com. Archived from the original on February 6, 2007.
  10. ^ "100 East Pratt Building Homepage".

Coordinates: 39°17′13″N 76°36′46″W / 39.2869°N 76.6127°W / 39.2869; -76.6127