A federal judge has ruled that the Mamdani administration must give immigration agents the names and dates of birth of some people living in a large city-run homeless shelter in the Bronx.
U.S. Immigration and Customs Enforcement says it needs the information as part of an investigation into residents facing deportation. But City Hall, which has barred city agencies from cooperating with ICE, fought the subpoena in court, and advocates are urging Mamdani to continue the fight.
The mayor’s office did not respond to multiple requests for comment Saturday.
“The City has not demonstrated that producing this list would be unduly burdensome,” reads the decision by U.S. District Judge Lewis Kaplan. “Under the applicable case law, the Court therefore has no choice but to compel execution of the subpoena.”
The ruling requires the city to provide a list of certain male residents living at a shelter on Bruckner Boulevard, along with their birthdays and any additional documentation that would help ICE identify the people living there.
ICE had requested the names of all residents, but under Friday’s ruling, the agency appointed a special master to identify only residents with “serious criminal histories,” according to the ruling.
The shelter is a converted warehouse in the South Bronx that can accommodate more than 2,000 people and is the city’s last emergency migrant shelter. Mayor Zohran Mamdani said in February that he planned to gradually close the shelter by the end of the year.
Friday’s decision comes after several failed attempts by the federal government to file similar subpoenas. Starting in August 2025, ICE submitted four separate subpoena requests regarding personal information about New York City shelter residents and the city fought them.
The city called an earlier request a “fishing expedition devoid of any legitimate investigative purpose,” according to the ruling.
The New York Immigration Coalition, which represents more than 200 immigrant and refugee rights groups across New York state, is calling for the latest order to be appealed.
What “ICE has been trying to do for some time now is continually launch these horrific mass deportation campaigns against members of our community,” said Murad Awawdeh, president and CEO of the New York Immigration Coalition.
“We believe the city should appeal and that City Hall and Albany should also act on the simple principle of making sure they are equally protecting everyone in their care.”
Awawdeh said the city should not have to comply with the order because of the city’s sanctuary law policies, which limit cooperation between local government and ICE.
“Providing data on civil immigration enforcement…that’s illegal under our local law,” Awawdeh said.
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