PolicyBrief
H.R. 6644
119th CongressDec 11th 2025
Housing for the 21st Century Act
IN COMMITTEE

The Housing for the 21st Century Act seeks to increase housing supply, streamline development, modernize federal programs, and improve oversight through zoning reform, new grant programs, and tenant protections.

J. Hill
R

J. Hill

Representative

AR-2

LEGISLATION

Housing Bill Pushes Local Zoning Reform, Streamlines Approvals, and Funds New Eviction Helpline

The “Housing for the 21st Century Act” is a massive piece of legislation aimed squarely at the national housing shortage. It tackles the problem from two main angles: forcing local governments to change how they zone land and build homes, and modernizing the federal programs that fund affordable housing. If you’re struggling with high rents or trying to buy your first home, this bill is designed to eventually make things easier, but it comes with some trade-offs.

The Federal Push for Backyard Apartments

Title I is where the action is, targeting the regulatory red tape that slows construction. The bill directs the Department of Housing and Urban Development (HUD) to create national guidelines for zoning reform. Think of it as the federal government telling local planning boards, “You need to allow more housing types.” These guidelines will push cities to allow things like duplexes, triplexes, and Accessory Dwelling Units (ADUs—those little backyard cottages) in areas currently zoned only for single-family homes, and to reduce or eliminate mandatory parking minimums.

To make sure cities actually follow through, the bill ties these reforms to new federal grant money. If a city wants the new cash for planning and infrastructure, it has to show it’s adopting “pro-housing land use policies.” This means the feds are using the carrot (grants) to encourage local governments to change rules that, for better or worse, have long been the domain of city councils. For a software engineer living in an expensive suburb, this could mean that the empty lot down the street might finally become a small apartment building or townhomes, increasing supply and maybe cooling off the market a bit.

Cutting the Red Tape for Faster Building

Another major focus is speed. The bill streamlines federal environmental reviews for many housing activities, categorizing things like home rehabilitation, small-scale construction, and converting old offices into apartments as exempt or subject to a faster review process. The idea is to shave months or even years off the timeline for affordable housing projects. While this is great for developers and tenants waiting for new units, it raises a flag: the analysis notes that reducing environmental scrutiny could lead to inadequate protection if these subjective exemptions are applied too broadly. It’s a classic trade-off: speed versus oversight.

Title II also modernizes the HOME Investment Partnerships program, expanding income eligibility to families earning up to 100% of the area median income. If you’re a teacher or a construction foreman who makes a decent wage but still struggles to afford the rent, this expansion could make you eligible for assistance programs that were previously reserved for lower-income brackets. Furthermore, rural homeowners get a boost, with the maximum loan for the Rural Housing Service's home repair program doubling to $15,000, which is a big deal for fixing critical issues like roofs or septic systems.

New Lifelines for Renters and Buyers

For renters, Title IV creates a national eviction helpline to provide counseling and resources for tenants in federally assisted housing. This is a practical, immediate win for people facing housing insecurity. The same title also launches a pilot program to put internet-connected temperature sensors in public housing to ensure compliance with temperature standards. This is a direct response to health and safety concerns, making sure that public housing residents aren't freezing in the winter or overheating in the summer.

On the homeownership side, Title III tackles manufactured housing and small mortgages. It updates the definition of “manufactured home” to include homes built without a permanent chassis, potentially expanding the market for more affordable, factory-built housing. Crucially, it also mandates a study on small-dollar mortgages (under $100,000). For someone trying to buy a modest home in a lower-cost area, getting a small loan can be surprisingly difficult, as lenders often prefer large, more profitable mortgages. This study could pave the way for a future pilot program designed to make those smaller loans accessible.

A New Era of Housing Oversight

Finally, the bill significantly ramps up government accountability in Title V. It requires the HUD Secretary to testify annually before Congress on the state of public housing and program finances. It also mandates that all public housing agencies publicly post detailed information about their contracts online—what they bought, from whom, and for how much. If you live in public housing, this means more transparency and pressure on agencies to address chronic maintenance issues. It also specifically directs the HUD Inspector General to investigate the New York City Housing Authority, signaling a serious push for better management in the nation's largest public housing system.