As DailyMail.com revealed on Tuesday he has spent at least 300 of those days either in the country's second smallest state or on vacation.
He bought the home at a time that it appeared his political career was over – five months after his Vice-Presidency had ended he was well into his 70s and after all he had decided to forgo a 2016 run for the top job.
But now that house in the tiny town of Rehoboth Beach could turn out to be a major embarrassment as Republicans continue their push to find business links between the 46th president and his son Hunter.
DailyMail.com has discovered that then-private-citizen Biden, who had spent virtually all his adult life in public service, bought the home for slightly under $2.75million – in cash.
And making the transaction even stranger it was within weeks of a highly questionable text that Hunter had sent to Runlong 'Raymond' Zhao, an associate at Chinese oil giant CEFC asking to seal a deal worth $10 million a year.
Joe Biden paid nealy $2.75million cash for his second property, DailyMail.com can reveal. The transaction was within weeks of a questionable text that Hunter Biden sent to Chinese associate demanding to seal a deal worth $10 million a year
DailyMail.com can reveal that Joe Biden bought his six-bedroom Rehoboth Beach house in June 2017 for $2,744,001 cash
The president's son was staying at the guest house of Biden's Delaware home when he wrote to Communist Party official Runloong 'Raymoond' Zhao on July 30, 2017, threatening him to follow his 'orders'