Illinois Commercial Inventory Breakdown
Office Spaces
Total: 376,400,129 SF
Data provided by Yardi Matrix, properties over 50k SF, includes office with retail
By square footage range:
- 50k to 100k SF: 46,442,183 SF / 12.34% of total office
- 100k to 500k SF: 149,821,071 SF / 39.8% of total office
- 500k to 1M SF: 76,181,225 SF / 20.24% of total office
- > 1M SF: 103,955,650 SF / 27.62% of total office
By class:
- Class A+: 36,960,350 SF / 9.82% of total office
- Class A: 150,035,967 SF / 39.86% of total office
- Class B: 133,181,275 SF / 35.38% of total office
- Class C: 9,827,745 SF / 2.61% of total office
Top 10 Largest Office Buildings
in Illinois
| Office building | Address | Sqft | Year built |
|---|---|---|---|
| 8001 Lincoln Avenue | 8001 Lincoln Avenue, 60077 | 88,240,100,739 | 1974 |
| Willis Tower | 233 South Wacker Drive, 60606 | 4,250,000 | 1973 |
| Willis Tower | 233 South Wacker Drive, 60606 | 3,920,000 | 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 |
| Old Main Post Office | 433 West Van Buren Street, 60607 | 2,293,766 | 2019 |
Largest Office Properties Recently Completed
in Illinois
| Office building | Address | Sqft | Year built |
|---|---|---|---|
| Fulton Labs at 400 North Aberdeen | 400 North Aberdeen Street, 60642 | 423,460 | 2021 |
| Humboldt Park LIT - Building A | 1334 North Kostner Avenue, 60651 | 175,000 | 2021 |
| 1315 North North Branch Street | 1315 North North Branch Street, 60642 | 137,824 | 2021 |
| Innovation and Research Park | 3333 Green Bay Road, 60064 | 100,000 | 2021 |
| Northwest Community Healthcare Building | SEC Illinois Route 83 and Lake Cook Road, 60089 | 70,600 | 2021 |
| Advocate Health Counseling and Pediatric Development Center | 901 West Wellington Avenue, 60657 | 51,969 | 2021 |
| Palos Health Mokena Medical Office Building | SWC Lincoln Hwy & South Owens Road, 60448 | 50,000 | 2021 |
| 1100 West Fulton Street | 1100 West Fulton Street, 60607 | 44,635 | 2021 |
| Icon Mechanical Headquarters | 1616 Cleveland Blvd, 62040 | 40,800 | 2021 |
| 50 West Office Building | 823 West US Hwy 50, 62269 | 36,000 | 2021 |