One South Dearborn
One South Dearborn

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About One South Dearborn

One South Dearborn is a 40-story, 828,538-square-foot office tower in downtown Chicago. Designed by the architectural firm DeStefano Keating Partners Ltd., the graceful architectural metal and glass tower culminates with a dual-crown lantern soaring 60-feet above the structure. A 16,000-square-foot outdoor plaza clad in Italian granite fronts Dearborn Street and provides entry into a three-story glass and marble lobby. Other amenities include an on-site fitness center, conference facilities, tenant lounge, shoe shine, concierge dry cleaning lockers, tenant bike share program, 8,000 square feet of retail space and four floors of above-grade parking that accommodates 170 vehicles. The project was completed in November 2005.

View in Google Maps Map showing the location of One South Dearborn

Address

  • One South Dearborn, Chicago, IL

Location

  • Corner of Madison and Dearborn in the Central Loop

Architect

  • DeStefano Keating Partners Ltd.

Building Details

  • 828,538 square feet
  • 40 floors

Contact Info

  • Bridgette Battle, General Property Manager 312-386-8305

Awards

  • Downtown Office Development of the Year
  • Patron of the Year
  • Awarded Top Performer in the city-wide competition to improve the environmental performance of business operations.
  • The Office Building of the Year (TOBY) Award - Best Operating Building from 500,000 to one million square feet

Major Tenants

  • Sidley Austin LLP
  • Cleveland Cliffs
  • WeWork

Sustainability

  • LEED Silver 2006
  • ENERGY STAR 2008
  • ENERGY STAR 2009
  • ENERGY STAR 2010
  • ENERGY STAR 2011
  • ENERGY STAR 2012
  • ENERGY STAR 2013
  • ENERGY STAR 2014
  • ENERGY STAR 2015
  • ENERGY STAR 2016
  • ENERGY STAR 2017
  • ENERGY STAR 2018
  • ENERGY STAR 2019
  • ENERGY STAR 2020
  • ENERGY STAR 2021
  • ENERGY STAR 2022
LEED Silver ENERGY STAR ENERGY STAR ENERGY STAR ENERGY STAR ENERGY STAR ENERGY STAR ENERGY STAR ENERGY STAR ENERGY STAR ENERGY STAR ENERGY STAR ENERGY STAR ENERGY STAR ENERGY STAR ENERGY STAR