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.
The architectural design of the resort was done by Matteo Fantoni Studio of Milan, Italy.
Proposed estate is targeting middle to upper income earners working at Konza City.
The show-house for phase one of the project will be ready by February next year.