The four-story, 408,917-square-foot office complex on 23.63 acres has traded three times in the last 11 years.
The Nassau IDA granted the property 20 years of tax breaks in 2014.
The Bethpage retail center was the former location of HR Singleton’s.
The average rate for a 30-year fixed-rate mortgage remains at its highest level since February 2011.
Mass transit, traffic and jobs issues plague Belmont Park arena plan.
The new office is slated to open on Thursday.
The three highest-priced home sales in East Islip last month ranged from $555,000 to $730,500.
A community workshop on the Central Islip revitalization effort is scheduled for Nov. 19.
The three highest-priced home sales in Huntington last month ranged from $1.14 million to $1.6 million.
Pending sales in Nassau rose 6.5 percent and 3 percent in Suffolk year over year.