PolicyBrief
H.R. 3987
119th CongressJun 12th 2025
No Community Development Block Grants for Sanctuary Cities Act
IN COMMITTEE

This bill prohibits Community Development Block Grants from being awarded to any state or local jurisdiction officially defined as a "sanctuary jurisdiction."

Ralph Norman
R

Ralph Norman

Representative

SC-5

LEGISLATION

Federal Funds Blocked: Bill Ties Community Development Grants to Local Immigration Enforcement

This legislation, officially called the “No Community Development Block Grants for Sanctuary Cities Act,” lays out a clear ultimatum: if a state or local jurisdiction wants federal Community Development Block Grant (CDBG) money, they must stop being a “sanctuary jurisdiction.” The bill makes it mandatory for CDBG applicants to certify they are not, and will not become, a sanctuary jurisdiction while receiving the funds.

What’s on the Line: CDBG Funds and Local Services

For those unfamiliar, CDBG funds are a big deal. They are federal dollars that local governments use for essential community projects—think infrastructure upgrades, affordable housing construction, services for the elderly, and small business assistance. These grants often fund projects that directly impact the daily lives of working families, whether it’s fixing roads or providing crucial social services in low-income neighborhoods. Losing this funding stream could mean halting projects that a community has been banking on for years.

The New Definition of “Sanctuary”

The core of this bill is its definition of a “sanctuary jurisdiction.” A locality earns this label if it has any rule, law, or practice that prevents its government employees from doing two things: first, sharing information about a person’s citizenship or immigration status with other government entities; and second, complying with a lawful request from the Department of Homeland Security (DHS) under the Immigration and Nationality Act. This compliance includes honoring a detainer request—which is basically DHS asking local police to hold someone for a short time so immigration officials can pick them up—or notifying DHS before releasing someone they want to hold.

The Real-World Impact on Local Policy

This provision effectively uses federal funding as leverage to force local police departments and governments to align their policies with federal immigration enforcement priorities. Currently, many jurisdictions have policies limiting cooperation with DHS detainers, often citing concerns about trust between the police and immigrant communities, or legal concerns about holding individuals without a judicial warrant. If this bill passes, those jurisdictions would face a choice: change their local policies to cooperate fully with DHS, or lose millions in CDBG funding. The bill does include a narrow exception: a jurisdiction is not considered a sanctuary if its policy of non-cooperation only applies when the person involved is a victim or witness to a crime. However, the general requirement for compliance remains.

Who Bears the Cost?

If a city loses its CDBG funding because it chooses to maintain its current immigration policy, the real impact won't be felt by the politicians, but by the residents who rely on these services. For example, Section 104 of the Housing and Community Development Act details how CDBG funds are used. If a city loses its allocation, a local non-profit might lose the funding to run a job training program, or a neighborhood revitalization project aimed at fixing up dilapidated housing might stall. The penalty for a city’s policy decision ends up being paid by the community development efforts and the vulnerable populations CDBG is designed to serve. This is the classic policy tradeoff: aligning local enforcement with federal goals versus preserving essential community resources.