Immigration Policy in Boston, MA (2026)
1 verified immigration policy rules for Boston, Massachusetts, sourced directly from the municipal code and official government pages.
Verified from official government sources
Sanctuary Policy Preemption
Boston's Trust Act, codified at § 11-1.9, bars city law enforcement from detaining someone solely on a civil immigration detainer or ICE administrative warrant once that person is otherwise eligible for release, and blocks city staff from using city resources for civil immigration enforcement.
Boston Trust Act Detainer Policy
Significant RestrictionsBoston Code of Ordinances § 11-1.9
A law enforcement official shall not detain an individual solely on the basis of a civil immigration detainer request or an ICE administrative warrant after the individual is eligible for release from custody, unless ICE has a criminal warrant, issued by a Judicial Officer, for the individual... [A] law enforcement official or an employee of a City Department, Agency or Commission, shall not: U...