The Brief The historic Leahy Building in River North has been sold for just over $4 million. Developers plan to convert the building into a 70-unit apartment complex with new rooftop spaces and resident amenities. Sound Bar is expected to remain open for about eight more months before construction begins. Sound Bar building becoming apartmentsThe Leahy Building, best known as the home of Sound Bar, recently sold to a local real estate investment firm for just over $4 million. Leahy Building | Google MapsDevelopers plan to convert the historic building into a 70-unit apartment complex.