The circumstances that led former Washington, D.C. telecom executive Tom Sullivan to put his massive Charlottesville, Virginia-area estate, Mount Ida Reserve, on the market in 2020 for $75 million haven’t changed. His kids have grown. He spends significant time in New England with his mother.
“As a family gathering spot, it’s not something we were using any longer,” Sullivan, formerly of Arlington’s TeleCorp PCS before it sold in 2002 to AT&T Wireless for $4.7 billion, said of the Scottsville,…