Mayor Zohran Mamdani Secures Rent Freeze for 1 Million NYC Apartments and Wins Progressive Primary Sweep

On June 25, New York City’s Rent Guidelines Board voted 7‑1 to freeze rent increases for roughly one million rent‑stabilized apartments for up to two years, fulfilling Mayor Zohran Mamdani’s campaign pledge. The board, whose nine members are mayoral appointees, set the allowed increase at zero for both one‑year and two‑year leases starting in October. Hundreds of tenants cheered the decision, while landlords warned the freeze could strain building finances and trigger maintenance cutbacks. One landlord‑representative, Christina Smyth, resigned hours before the vote, alleging the board’s independence had been compromised.

In the same week, three congressional candidates endorsed by Mamdani—Brad Lander in District 10, Claire Valdez in District 7, and Darializa Avila Chevalier in District 13—won their Democratic primaries, each defeating incumbent or establishment‑backed opponents. The victories give the Democratic Socialists of America a larger foothold in New York politics and have spurred sharp reactions from party establishment figures, including House Minority Leader Hakeem Jeffries and Senator Richard Blumenthal, who warned the progressive surge could reshape the party’s direction ahead of the 2026 midterm elections.