The mayor-appointed Rent Guidelines Board voted June 25 to freeze rent increases at 0% for both one- and two-year renewal leases beginning Oct. 1, covering about 1 million rent-stabilized apartments. Landlords filed suit on July 22, alleging the process was rigged to satisfy Mayor Zohran Mamdani's campaign promise and asking the court to preserve the prior increases (3% and 4.5%) while the matter is reconsidered. The city will defend the freeze; a judge ordered the city's defense to be presented in September, the first major legal test of the dispute.
New York Landlords Sue to Overturn 0% Rent Freeze Affecting About 1 Million Stabilized Apartments

New York City landlords have filed a lawsuit challenging the Rent Guidelines Board's decision to freeze rent increases for roughly 1 million rent-stabilized apartments. The complaint, filed July 22 in New York State Supreme Court, alleges the board's process was predetermined to fulfill Mayor Zohran Mamdani's campaign promise.
What Happened
On June 25 the nine-member, mayor-appointed Rent Guidelines Board voted to set rent increases at 0 percent for both one-year and two-year renewal leases beginning Oct. 1 — the first time the board approved a freeze covering both renewal terms. Landlords contend the board abandoned its independence after the mayor appointed new members and after city resources were used to mobilize tenant advocates to testify. The complaint calls the proceedings 'rigged' and cites a resignation letter from a former landlord representative who said the panel 'starts with an answer and works backward' to justify it.
The Legal Claim And Requested Relief
Plaintiffs ask the court to overturn the freeze, preserve the previously authorized increases — 3% for one-year and 4.5% for two-year leases — while the board reconsiders, and compel disclosure of internal communications between the board and City Hall. A favorable ruling for landlords could reverse the 0 percent decision and influence how the board weighs evidence in future votes; a ruling for the city would reaffirm the board's discretion to set freezes, even when politically sensitive.
Data, Debate, And Stakes
The board annually reviews landlords' operating costs, tenant incomes and building conditions. Research cited in the complaint found net operating income rose 6.2% among buildings that include at least one rent-stabilized unit, but landlords say that figure is skewed by mixed-income properties and point to a 2.4% increase among fully rent-stabilized buildings. Landlords warn that prolonged freezes make it difficult to cover rising taxes, insurance and maintenance costs, while tenant advocates emphasize that rent-stabilized units remain a vital and shrinking source of affordable housing.
Next Steps
The city says it will defend the freeze. Mayor Mamdani's office said it is confident the board reviewed all relevant evidence and that city lawyers are prepared to litigate. A judge has ordered the city to present its defense in September, marking the first major courtroom test of the competing claims about board independence and housing policy.
Why This Matters: The outcome could shape rent policy and the boundaries of mayoral influence over the Rent Guidelines Board — with wide implications for landlords, tenants and the city's affordable housing landscape.
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