During the operation, county officials vowed to take a hardline stance against defaulters, noting that many landowners have ignored the county's waiver period.
"We have come to start our clampdown. We are clamping plot number 209, which owes the county around four million shillings. We will put a notice on the building that this property belongs to Nairobi City County until all the debt is cleared," said Njoroge.
The Freemason Society said it is currently in talks with the county government and will issue a joint statement soon.