Stoltz Management, a Bala Cynwyd real estate company, has put up for sale 2300 Chestnut St., a Center City office building that could sell for an estimated $40 million.  Stoltz bought the 103,905-square-foot office building in 2017 for $28.75 million and invested in upgrades to the lobby and elsewhere. The building is 77% leased to… Read more »