PolicyBrief
H.R. 4883
119th CongressAug 5th 2025
Local Gun Violence Reduction Act
IN COMMITTEE

This Act establishes a national database, managed by HHS/CDC, for tracking local gun violence prevention laws and reporting on their effectiveness.

Mark DeSaulnier
D

Mark DeSaulnier

Representative

CA-10

LEGISLATION

New Federal Database Tracks Local Gun Laws: CDC to Report Which Policies Actually Work

This bill, officially titled the Local Gun Violence Reduction Act, sets up a brand new federal database designed to figure out which local gun violence prevention laws actually move the needle on public safety. Essentially, it turns the CDC into the nation’s clearinghouse for gun law effectiveness data.

Within one year of the bill becoming law, the Secretary of Health and Human Services (HHS), working through the CDC, must establish the “Local Gun Violence Prevention Laws Database.” State and local governments that pass new gun violence prevention measures will be required to submit details about their law to this database. Crucially, they also have to provide hard data comparing gun violence rates and gun deaths before the law started to the numbers after it went into effect. This is all about evidence-based policy: figuring out what works based on measurable outcomes, not just good intentions.

The New Homework Assignment for City Hall

For local governments, this bill creates a new administrative requirement. If a city council passes a new ordinance—say, a specific regulation on firearm storage or a restriction on where guns can be carried—they don't just pass the law and walk away. They now have to track the implementation, gather specific data points on gun violence in their jurisdiction, and submit all of that information to the federal database (SEC. 2).

Think of a busy city manager in a medium-sized town. They now have to divert staff time and resources to standardize their local crime data and report it to the CDC. While this is a clear administrative burden—and taxpayers fund the authorized budget of $1.5 million in fiscal year 2026 and $1 million annually thereafter to run the system—the benefit is transparency. For the first time, local governments across the country can search the database to see if that specific storage law passed in a neighboring state actually led to a measurable drop in accidental shootings.

Data, Data Everywhere, But Is It Good Data?

This is where the rubber meets the road. The bill requires local governments to report on “how successful those specific laws have actually been” in reducing gun violence. The success of this entire effort hinges on the CDC defining clear, objective metrics for “success.” If the metrics are vague, one town might claim success based on a slight dip in non-fatal incidents, while another might only report on homicides.

If the CDC doesn't provide rigorous, standardized definitions, we could end up with a database full of apples and oranges, making it difficult to draw meaningful conclusions. This vagueness could lead to inconsistent data or, worse, politically motivated reporting where jurisdictions only submit data that makes their laws look good. However, if implemented correctly, this database becomes an invaluable tool for policymakers everywhere, replacing assumptions with verifiable outcomes.

What Congress Gets Out of the Deal

Starting two years after the law is enacted, the Secretary of HHS must report back to Congress every two years. This report will summarize what the data shows: which types of local laws are most common, which are working effectively based on the submitted data, and where participation in the database is high or low (SEC. 2). For Congress, this means access to a national snapshot of effective local interventions, allowing them to potentially focus federal resources or legislation on strategies proven to save lives. For the rest of us, it means that future debates about gun violence prevention might finally be grounded in real-world results rather than just theory.