Oversupply is likely to result in fierce competition for clients.
The luxury homes are centred around waterholes and salt licks.
The project has been in the pipeline since 2008.
The park will cover over 1.5 million square feet initially, and consist of four zones.
The billionaire has developed plots within Nairobi's Westlands and Upper Hill areas.
Nairobi is currently enjoying a huge demand for high quality office space.
Hope City will be built in an area of about 1.5 million square meters.
Phase one of the project is expected to be completed in one and a half years.
The Sh500 million Billionaire Resort will be completed by end of next month.
This will be the first sports city to be set up in Kenya since independence.