- For Lease Contact for pricing
- Property Type Office
- Property Size 2,293,766 SF
- # of Floors 11
- Building Class A
- Year Built 2019
- Date Updated Jun 19, 2026
Description
The Old Main Post Office is a long proposed project that will turn the historic landmark into Class A office space.
AMENITIES
• 10,000 SF Retail and Restaurant Space
• 450 Secured Parking Spaces (Available 24/7)
• Hotel On-Site
• 56 Restaurants and 6,000 Parking Spaces within Three Blocks
Highlights
- 000 SF of Fully Finished Open Space with North and West Views 2nd Elevator Entracne
- SPACE DETAILS Plug Play Brand New Construction Expansive City Views Natural Light Throughout 135 Mechanical Workstations 26 Offices 11 Calling Rooms Large Open Kitchen 2 Large 20 Person Conference Rooms 12 Collaboration Rooms (Accommodate 615) 11 Person ITWorkroom P...
True
2 Spaces Available
Suite 5S
Space Type
General Office
Lease Rate
Negotiable
Total Space
42,267 SF
Floor
5
Divisible Space
42,267 - 42,267 SF
Available Date
Immediate
Lease Type
Net
Sublease
Yes
Sublease Expiry
Feb 28, 2035
Build Type
Full build out
Turnkey
Yes
Space Number
5S
Suite 6N
Space Type
General Office
Lease Rate
Negotiable
Total Space
42,620 SF
Floor
6
Divisible Space
42,620 - 42,620 SF
Available Date
Immediate
Lease Type
Net
Sublease
Yes
Sublease Expiry
Feb 01, 2035
Build Type
Full build out
Turnkey
Yes
Space Number
6N
Contacts
Jack Keenan
Cushman & Wakefield
John Deroche
Cushman & Wakefield
Location
Located at 433 West Van Buren Street, Chicago, IL 60607, this property is part of the South Loop neighborhood and Chicago market.
Contact Old Main Post Office
