Tariffs, Treasuries, and That Weird Dip in Your Mortgage Rate

Tariffs, Treasuries, and That Weird Dip in Your Mortgage Rate

  • 04/4/25

When you think “tariffs,” you probably imagine higher prices, global tension, and maybe a dramatic headline or two. But would you believe me if I told you tariffs might also be helping lower your mortgage rate?

It sounds like a plot twist, but it’s true. Tariffs, those government-imposed taxes on imported goods, don’t just stir up inflation—they also stir up uncertainty. And in the world of investing, uncertainty is the fastest way to send people running from stocks and straight into the comforting, government-backed arms of U.S. Treasury bonds.


Wait—How Do Tariffs Lower Mortgage Rates?

Let’s break this down like a solid floor plan:

  1. Tariffs = Uncertainty.

When tariffs hit—especially in big global conflicts like U.S.–China—investors get nervous. Will trade slow? Will profits drop? Will this sink the stock market? All valid questions.

  1. Nervous Investors = Flight to Safety.

In times of uncertainty, investors typically sell riskier assets (like stocks) and buy U.S. Treasury bonds, widely seen as the safest investment on Earth.

  1. More Demand for Bonds = Lower Yields.

Treasury bond prices and yields work like a seesaw: when prices go up (because demand spikes), yields drop. And mortgage rates tend to follow those yields, especially the 10-year Treasury.

Bottom line? That same uncertainty that sends Wall Street into a tizzy could also mean lower interest rates for homebuyers.


But Don’t Celebrate Too Fast…

Yes, mortgage rates can drop during trade tensions—but there’s a catch. Tariffs also drive up the cost of building materials (like lumber, steel, aluminum, and appliances), which pushes home prices higher—especially for new construction. The National Association of Home Builders estimates an average $9,200 increase per new home due to recent tariff impacts.

So while your rate may dip… your dream home’s price just went up.

It’s a classic economic tug-of-war:

  • Tariff-related inflation pushes interest rates UP (via the Federal Reserve’s anti-inflation tools).
  • Tariff-related uncertainty pulls rates DOWN (via bond markets and investor behavior).

Sometimes they cancel each other out. Other times, they amplify the volatility.


What It Means for Buyers and Sellers

If you’re buying:

  • Watch rates closely, but also monitor construction pricing and local inventory.
  • That rate dip might offer a window of opportunity—if rising material costs haven’t already priced you out.

If you’re selling:

  • Lower rates might bring more buyers into the market.
  • But if you’re upgrading to a new build? Get ready for potential sticker shock from those tariff-inflated material costs.

Tariffs: The Unexpected Player in Your Mortgage Story

In real estate, most of us track interest rates and construction costs like hawks. But few realize how deeply geopolitical trade policy plays into both. Tariffs aren’t just a blip on an economist’s spreadsheet—they’re quietly shaping your clients’ monthly payments, builder decisions, and listing prices.

Want a local breakdown of how this plays out in Iowa City’s housing market? I’ve got the data—and I’m not afraid to use it. Let’s connect.

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