Michael Osanloo, the former Portillo’s CEO who resigned in September, sold his Hinsdale mansion for $7.2 million.
The house at 719 South Park Avenue sold on March 18 and was entered in listing services this week. The home has six bedrooms and nine bathrooms, according to the listing. The listing information does not include square footage.
Coldwell Banker Realty’s Dawn McKenna and Lauren Walz, of the Dawn McKenna Group, represented the seller, and Steven Powers of Century 21 S.G.R. represented the buyer. McKenna and Powers declined to comment on the deal.
The buyer and seller are both land trusts that shield the identity of the parties, but building permits and past reporting link the home to Osanloo and his wife, Mary.
Osanloo joined Portillo’s as president and CEO in 2018, the same year he purchased the South Park Avenue lot and an existing house for $2.2 million, according to property records. He tore down the original 1922 home and built the current red brick, French-style home in 2021. A 2019 Hinsdale building permit shows the Osanloos worked with Willowbrook-based Greenside Design Build on the construction that was estimated at $2 million. The Chicago Tribune reported at the time the house would measure 12,478 square feet.
Osanloo departed his post in September after the Chicago hot dog and Italian beef chain reported falling sales and pulled back from an aggressive expansion in the Sun Belt states. During his tenure, Osanloo brought the company public and laid out plans to open hundreds of new locations across the country over two decades.
A post from March 18 on the Dawn McKenna Group’s Instagram page announced the sale and shared some clips of the home’s interior, which include a floating open staircase, a large open concept kitchen and living room and a wine cellar.
In the video, McKenna said she previously sold the lot to the owner, and brokered the latest sale off-market.
The roughly $7.2 million price tag makes it the third-most expensive home to sell in Hinsdale history, after a record $7.7 million mansion sale in 2021 and a home that sold off-market for $7.5 million in 2022.
Last year’s highest-priced sale in Hinsdale, in September, brought in $5.9 million for the house at 818 South Elm Street. McKenna also represented the seller on that deal.Hinsdale was ranked the eighth-wealthiest suburb in the country in a July 2025 analysis by GOBankRates, and home values have grown steadily. Zillow estimates pegged the average Hinsdale home value at $1.2 million in February, an almost 9 percent increase from February 2025.
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