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.
The facility will create additional 15,000 square metres of commercial floor space.
Phase one of the Nairobi Business Park was officially opened in 2004.
Centurion Symbio-City is expected to be the 14th tallest free-standing structure in the world.
The building features 80 pre-fabricated apartments spinning a full 360 degrees.
The 1,776 feet height commemorates the signing of the Declaration of Independence.
The resort will comprise an 18-hole golf course, a lodge, 80 cottages and an airstrip.
House prices in Nairobi are defying a weak global economy and high lending rates.