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142 East Ontario

$35/sqft/yr

142 E. Ontario Street, Chicago, IL 60611

Active
Last Updated: 08/17/2026

135,620 sqft

Building Size

B

Class

Details:
Building Size:    135,620 sqft
Class:    B
Occupancy:    100%
Year Built:    1986
Floors:    18
Description:

Located in North Michigan Avenue, 142 E Ontario is a contemporary office space offering floor-to-ceiling bay windows and panoramic views of The Magnificent Mile. It also promises future enhancements with a new amenity center under construction and provides current security features.

Minutes of nearby shopping, hotels and restaurants.
Outstanding views of The Magnificent Mile and Lake Michigan

Map:
6 Spaces Available

Suite 1500, 1500, 15 Medical

Available:
Immediately
Sublease:
No
SQFT
7,359
Lease Rate:
$35/sqft/yr
Lease Type:
Gross

New spec suite. High-end finishes with great views and two private balconies. Open to office and medical use. New amenity center, featuring a fitness center with locker rooms, multiple tenant lounges and a conference center with training capabilities and breakout rooms. Virtual Tour: https://my.matterport.com/show/?m=PE3vb3Mbvcf

Suite 1150, 1150, Eleventh Medical

Available:
Immediately
Sublease:
No
SQFT
3,412
Lease Rate:
$35/sqft/yr
Lease Type:
Gross

Former lofted spec suite that is fully furnished. Open to office and medical use. New amenity center, featuring a fitness center with locker rooms, multiple tenant lounges and a conference center with training capabilities and breakout rooms.

1st Floor Retail, Suite 100 Street Retail

Available:
Immediately
Sublease:
No
SQFT
4,921
Lease Type:
Gross

142 E. Ontario hosts a prime 4,921 SF flagship retail space offering unmatched branding potential and exceptional visibility. The building is situated next to the Burberry flagship store and the new Hotel Riu Plaza Chicago. This location benefits from heavy foot traffic and is surrounded by some of the world's largest retailers. Situated on the corner of Ontario and Michigan Avenue, this location provides excellent opportunities for signage and awning visibility with over 40' of frontage on Ontario Street.

Suite 1410 Medical

Available:
Immediately
Sublease:
No
SQFT
1,802
Lease Rate:
$35/sqft/yr
Lease Type:
Gross

Suite 1300, 1300, 13 Building

Available:
Immediately
Sublease:
No
SQFT
7,771
Lease Rate:
$35/sqft/yr
Lease Type:
Gross

Suite 1225, 1225, 12 Medical

Available:
09/01/2026
Sublease:
No
SQFT
1,747
Lease Type:
Gross

Location
Gallery