Mr Hockey and his wife Melissa Babbage bought the Federation mansion in 2004 for $3.5 million.
It is now on the market for around $8 million after being leased for short-term rental for around $4000 a week.
A 1400 square-metre estate and called ‘Te Roma’ , the mansion was built in 1906 and features four bedrooms, formal living a dining room, a sun room, an office, media rooms, a pool, a cabana and a spa.
It is being listed through realestate.com.au
The sale has led to speculation Mr Hockey, Australia’s ambassador to Washington, may permanently settle in the United States.