Housing affordability has become one of the most talked-about issues in the country, and on July 11, 2026, Congress delivered its most comprehensive response in decades: the 21st Century ROAD to Housing Act.
The bill runs across 12 titles and dozens of individual provisions, covering everything from zoning guidance to community banking rules. We've pulled out several provisions most likely to affect how homes get built, repaired and financed in communities across the country.
Single-Stair Buildings Get Federal Guidance
For decades, most U.S. building codes have required apartment buildings above a certain height to have two separate staircases, largely for fire-safety reasons. Some cities and countries build "single-stair" or "point-access" buildings instead, and some U.S. jurisdictions have adopted the approach as a way to fit more units on smaller urban lots.
The new law directs the Department of Housing and Urban Development to develop guidelines within 18 months for point-access block buildings, residential structures up to six stories with a single internal stairway. HUD is also directed to work with the International Code Council to explore incorporating this building type into the model code most jurisdictions use nationally.
The law doesn't override any state or local building code. But will rather create a model based on tested examples from places that already use the approach.
A Federal "Menu" for Local Zoning Reform
Much of the debate over housing supply centers on local zoning: parking minimums, lot-size requirements, restrictions on duplexes or accessory dwelling units and how long it takes to get a project approved.
The federal government generally has no authority over local zoning decisions, and this law doesn't change that. What it does is direct HUD to spend the next three years developing a detailed set of guidelines and model policies, covering topics like reducing parking minimums, allowing more by-right multifamily construction, and streamlining review timelines that states and localities can voluntarily draw from.
The law is explicit that HUD cannot penalize any city or state that declines to adopt these recommendations. It's best described as a technical-assistance resource rather than a mandate.
A New Pilot for Small-Dollar Mortgages
One quirk of the mortgage market: it's often harder to get a loan for a lower-priced home than a higher-priced one. Many lenders find that the fixed costs of originating a mortgage don't pencil out on loans under roughly $100,000, which can make it harder for buyers in lower-cost markets often - rural areas or older - smaller homes to find financing.
The law authorizes HUD to establish a pilot program addressing this gap, which could include direct payments to lenders to encourage them to offer small-dollar mortgages, adjusted FHA terms for these loans, and direct grants to borrowers for down payments, closing costs, and appraisals. The program is authorized for up to four years and comes with regular reporting requirements to track how it's working.
Whole-Home Repairs for Owners and Small Landlords
The Whole-Home Repairs Act creates a program offering grants to eligible lower-income homeowners and loans (which can be forgiven over time) to smaller landlords (those who own fewer than 10 rental properties) to fund repairs not covered by other federal programs. Landlords who take advantage of the loans agree to certain tenant protections in return, including limits on how much they can raise rent for a period after the repairs are completed.
Community Banks Get More Room to Invest
Banks are allowed to make "public welfare investments" which include funding for things like affordable housing and community development projects, up to a percentage of their capital and surplus. This law raises that cap from 15% to 20%, for both national banks and state member banks of the Federal Reserve.
This is one of the more straightforward provisions in the bill: it takes effect as a change to existing law rather than depending on a new appropriation, meaning banks can act on the increased capacity right away if they choose to.
An Expanded Rental Assistance Demonstration Program
The Rental Assistance Demonstration (RAD) program allows public housing agencies to convert older public housing units to a different funding model that can attract private investment for renovations. The program has historically operated under a cap on how many units could convert.
The law raises that cap from 455,000 to 555,000 and removes the program's previous 2029 expiration date, making it a permanent tool rather than a temporary one. It also adds new reporting requirements so Congress can track the program's effects on tenants and on the preservation of public housing.
A Broader Definition of Manufactured Housing
Manufactured homes have traditionally been built on a permanent steel chassis, which is part of how federal law distinguishes them from site-built homes. Some newer manufactured-housing designs are built without that chassis, which has left them in a legal gray area for financing and regulatory purposes.
The law updates the federal definition of manufactured housing to include homes built with or without a permanent chassis and directs HUD to develop distinct labeling and standards so the two types remain distinguishable. Supporters of this change argue it could open up more financing pathways and design flexibility for factory-built housing, which is often a lower-cost path to homeownership.
Why This Bill Is Being Called Significant
Beyond any single provision, the 21st Century ROAD to Housing Act is notable simply for the fact that it happened at all. Housing policy is often difficult to move at the federal level, since land use and zoning are traditionally state and local matters. Getting this many provisions through both chambers with wide bipartisan margins reflects a rare degree of consensus that housing costs have become a shared, national concern.
Whether these provisions produce visible changes in local housing supply will depend heavily on implementation: some of these programs require future funding decisions from Congress, others rely on voluntary adoption by states and cities, and a few take effect on their own. As with most federal legislation, the real story will be told over the next several years as agencies, states, and localities decide how to put these tools to use.