The investors have urged Nakuru County to revive the project.
A 100 feet by 50 feet plot is currently going for at least Sh10m up from Sh4m in 2015.
Investors are building more high-end warehouses to meet rising demand.
RiverRun Estates offers residents an easy access to Tatu City and Migaa Golf Course.
Nairobi's skyline is more crowded due to increased office space supply.
The facility is expected to open up the Northern Kenya tourism belt.
This is the first major revamp by Sarit Centre since its inauguration in 1984.
Dredging works that began in October last year are well underway.
The project will get underway as soon as funding talks are concluded later this year.
The Pinnacle will overtake Carlton Centre in Johannesburg as Africa’s tallest building.