Long, 25, the Bears' first-round draft pick in 2013, thrived in his first season as right guard. Long was in the news last week after officials at Deerfield High School gave him the boot while he was running sprints on a vacant athletic field.
The 3,970-square-foot house, built in 1980, has 3 1/2 baths, three fireplaces, a finished basement with a kitchenette, 9-foot ceilings, a year-round sunroom, a newer kitchen with an island and a large breakfast room, and a three-car garage, all on 1.4 acres.
The house had been listed for $1.43 million.
Susan Carey, of Century 21 Kreuser & Seiler, who represented Long, declined to comment on the deal.
Izard gained fame after she won Season 4 of Bravo's "Top Chef." The house she bought had been listed for $1.38 million and was reduced to $1.33 million, then to $1.3 million.
The 11-room house, built in 2000, has 3 1/2 baths, a kitchen with marble countertops and professional stainless steel appliances, a full finished basement with a media room and a fitness studio, and a top floor with an office and roof deck.
Through spokeswoman Katy Darnaby, Izard declined to comment on the purchase.
Crain's Chicago Business first reported the news.