America Doesn't Have a Mortgage Problem. It Has a Housing Problem.

Everyone talks about mortgage rates, but that's only half the story. Here's why America's biggest housing challenge isn't financing. It's supply.

Michael Foster

7/17/20263 min read

For years we've treated housing affordability as though it's driven by one thing: mortgage rates. When rates fall, affordability improves. When rates rise, affordability gets worse. There is truth in that, but it isn't the whole story.

Lower rates absolutely help families qualify for larger loan amounts and reduce monthly payments. The problem is that lower rates don't build a single new house. If ten buyers are competing for three homes today, they'll still be competing for those same three homes after rates drop. The only difference is they'll all be able to afford a little more, which often means more competition instead of more opportunity.

That's why I found one of Congress' latest housing bills more interesting than most people probably did. While many headlines described it as a housing bill, I kept looking at it through the lens of mortgage lending. Some of the provisions are designed to encourage more housing development, modernize financing for manufactured and modular homes, support builders, and improve access to smaller balance mortgages. None of those ideas make for exciting television, but they could quietly influence how attainable homeownership becomes over the next decade.

One provision that deserves more attention involves smaller mortgage loans. Most people assume that financing a $150,000 home is much easier than financing a $600,000 home. From the borrower's perspective, it certainly feels that way. Behind the scenes, however, lenders complete nearly the same amount of work regardless of the loan size. The compliance requirements, documentation, underwriting standards, and regulatory oversight don't shrink just because the loan amount does. When the revenue is significantly lower but the workload remains nearly identical, many lenders naturally gravitate toward larger loans.

If policymakers can reduce some of that friction, financing less expensive homes becomes a more practical business decision. That matters because affordable housing isn't just about lowering monthly payments. It's also about making sure financing is readily available for entry-level homes, rural properties, manufactured housing, and smaller developments that often struggle to attract attention.

Could this encourage builders to develop more starter homes instead of focusing almost exclusively on larger, higher-margin projects? Could it make financing for manufactured and modular housing more accessible? Could it give younger buyers more realistic paths into homeownership? Those are all possibilities, and they're worth watching far more closely than tomorrow's headline about whether rates moved an eighth of a percent.

Of course, government rarely solves a problem without introducing a few complications of its own. History is full of well-intentioned legislation that created additional paperwork, new regulations, and enough administrative hurdles to make everyone wonder whether anything actually became easier. That's a healthy skepticism to maintain here as well. Passing a bill and solving a problem are rarely the same thing.

Ultimately, the success of this legislation won't be measured by the number of press conferences held or news articles written. It'll be measured by whether more homes are actually built, whether financing becomes more accessible, and whether families have more opportunities to buy homes they can realistically afford.

Housing affordability has never been just a mortgage conversation. It's a supply conversation. Mortgage rates influence what buyers can afford, but housing inventory determines what buyers can actually purchase. Solving one side of that equation without addressing the other only gets us halfway there.

That's why I'll be watching what happens over the next several years. Not because I expect one bill to solve America's housing challenges, but because meaningful progress usually happens through a series of practical improvements rather than one sweeping solution.

At the end of the day, nobody lives inside legislation. Families live inside homes. That's the outcome worth paying attention to.