Emergency responders have retrieved two bodies from the rubble of the collapsed building in Ruaka, Kiambu County.
Three survivors have also been rescued and rushed to hospital.
The six-storey building collapsed this morning over a neighbouring residential home whose occupants were sleeping at the time of the incident.
Photos: Officers from the Disaster Response Unit on site at the Ruaka building that collapsed
This is the second building to come down in the country this week.