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Jordan Multack Of Greenstone Partners Represents Buyer In Sale Of Office Building In Chicago For $5.43M

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SOLD
$5,431,375
Matthew Tarshis
Andrew Rubin
+ 1

Illinois

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Office48,000 SF
Sold 01/07/2026
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Property Image
SOLD

Jordan Multack Of Greenstone Partners Represents Buyer In Sale Of Office Building In Chicago For $5.43M

401 West Ontario Street

See Similar Deals
Office48,000 SF
Sold 01/07/2026
Matthew Tarshis
Andrew Rubin
+ 1
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Summary

ILLINOIS
Asset Type:Office
Price Per Square Foot:$113
Total Square Footage:48,000 SF
Transaction Type:Sale

401 West Ontario Street is a 48,000-square-foot property located in the Chicago market. The asset was sold for $5,431,375, translating to a price per square foot of $113. It represents an office-to-multifamily conversion opportunity, strategically situated near the Kennedy Expressway, Merchandise Mart, CTA Brown and Purple Line stations, and East Bank Club.

Summary of transaction details:

  • Property Type: Office
  • Transaction Amount: $5,431,375
  • Address: 401 West Ontario Street
  • Market: Chicago
  • Size: 48,000 SF
  • Price per SF: $113
  • Seller: Sean Conlon
  • Buyer's Representative: Jordan Multack - Greenstone Partners
  • Seller's Representatives: Andrew Rubin & Matthew Tarshis - Frontline Real Estate Partners

The transaction was facilitated by Senior Director Jordan Multack, who represented a private, Chicago-based development group as the buyer. The seller, represented by Principal Matt Tarshis and Executive Vice President Andrew Rubin, was a private lender. This sale highlights the quality of the property as a well-located, value-add opportunity in one of Chicago's desirable neighborhoods, emphasizing its unique floor plates and conversion potential.

Players

Jordan Multack
46 deals$187.6M volume
BROKER

Matthew Tarshis
Frontline Real Estate Partners
6 deals$29.3M volume(847) 542-9058
BROKER

Andrew Rubin
Frontline Real Estate Partners
3 deals$3M volume(847) 780-8062
BROKER

Greenstone Partners
BROKERAGE


Details

SOLD
IMAGE: Andrew Rubin, Jordan Multack & Matthew Tarshis DATE: 01/07/2026 ADDRESS: 401 West Ontario Street MARKET: Chicago ASSET TYPE: Office SELLER: Sean Conlon BUYER'S REP: Jordan Multack (@Tackness) - Greenstone Partners (@GreenstonePartners) SELLER'S REP: Andrew Rubin & Matthew Tarshis - Frontline Real Estate Partners SALE PRICE: $5,431,375 SF: 48,000 ~ PPSF: $113 NOTE FROM BUYER'S REP: Greenstone Partners and Frontline Real Estate Partners successfully completed the sale of 401 West Ontario Street, a 48,000-square-foot office-to-multifamily conversion opportunity located in River North, Chicago. 401 West Ontario Street presented a rare opportunity to acquire a loft-style office building in River North with zoning that supports multifamily redevelopment. The property is ideally positioned steps from the Kennedy Expressway, Merchandise Mart, CTA Brown and Purple Line stations, and East Bank Club, making it a highly compelling conversion opportunity. The asset was placed under contract by a private, local buyer who recognized the ability to reposition a well-located, value-add property in one of Chicago’s most desirable neighborhoods. The building’s unique floor plates, conversion potential, on-site indoor parking, and fantastic location were key drivers in the buyer’s pursuit of the site. Principal Matt Tarshis and Executive Vice President Andrew Rubin represented the seller, a private lender, in the transaction. Senior Director Jordan Multack of Greenstone Partners represented the buyer, a private, Chicago-based development group, throughout the transaction.

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