The cost of living in roughly 1 million rent-stabilized apartments across the city is set to go up this week. Starting Tuesday, Oct. 1, New Yorkers in rent-stabilized apartments will see increases of 3% on one-year leases and 4.5% on two-year leases. Andrew Cuomo, Republican Curtis Sliwa and Democratic frontrunner Zohran Mamdani, who has made freezing stabilized rents a central part of his platform. “Eric Adams’ board has raised the rent every year he’s been in office,” Mamdani said in a video posted on social media. And that’s exactly what I would do.”During the Bill de Blasio administration, which lasted eight years, the board increased rents by 6% in total and froze rents on three occasions.