Top 10 Largest Office Buildings
in Cook County
| Office building | Address | Sqft | Year built |
|---|---|---|---|
| Willis Tower | 233 South Wacker Drive, 60606 | 3,920,000 | 1973 |
| Willis Tower | 233 South Wacker Drive, 60606 | 3,800,000 | 1973 |
| Merchandise Mart | 222 West Merchandise Mart Plaza, 60654 | 3,651,737 | 1929 |
| The Merchandise Mart | 222 Merchandise Mart Plaza, 60654 | 3,563,120 | 1930 |
| The Post Office | 433 West Van Buren Street, 60607 | 2,800,000 | 2019 |
| Aon Center | 200 East Randolph Street, 60601 | 2,687,933 | 1972 |
| Chase Tower | 10 South Dearborn Street, 60603 | 2,429,909 | 1969 |
| 3333 Beverly Road | 3333 Beverly Road, 60192 | 2,421,114 | 1992 |
| CME Center | 30 South Wacker Drive, 60606 | 2,351,265 | 1983 |
| Old Main Post Office | 433 West Van Buren Street, 60607 | 2,293,766 | 2019 |
Largest Office Properties Recently Completed
in Cook County
| Office building | Address | Sqft | Year built |
|---|---|---|---|
| Bell Works Chicagoland | 2000 West AT&T Center Drive, 60192 | 1,622,213 | 2020 |
| 110 North Wacker | 110 North Wacker Drive, 60606 | 1,565,909 | 2020 |
| 24 East Washington | 24 East Washington Street, 60602 | 740,000 | 2020 |
| 167 Green Street | 167 Green Street, 60661 | 681,171 | 2020 |
| Willis Tower - Catalog Expansion | 233 South Wacker Drive, 60606 | 455,000 | 2020 |
| West End on Fulton | 1375 West Fulton Market, 60654 | 297,839 | 2020 |
| Harrison Square - 1835 West Harrison Street | 1835 West Harrison Street, 60612 | 247,000 | 2020 |
| The Boler Company Headquarters | NEC Center Drive & West Drive, 60173 | 180,000 | 2020 |
| 448 North LaSalle | 448 North LaSalle Street, 60654 | 174,599 | 2020 |
| Morgan Park Center | 11840 South Marshfield Avenue, 60643 | 130,000 | 2020 |
News
RREEF and Cadence Partners’ Turnpike Commerce Center is open for business. Transwestern to lead management and leasing for the brand new Miami office space, available for immediate occupancy.
Extensive renovation and redevelopment work at historic Tammany Hall is finally complete. Marketed as 44 Union Square, the property offers exceptionally located Manhattan office space for rent.
KBS closes third San Jose office sale in four months, marking strong demand on the office market, despite ongoing pandemic.