For some households, the down payment—not the mortgage rate—is the real hurdle to ownership. And when we shift our analysis from a 5% down payment to FHA’s 3.5% minimum, the contours of today’s rental-to-ownership pathway sharpen in ways that matter deeply for builders.
Lower Down Payments Change the Framework—But Not Always the Outcome
Our original national calculation used a 5% down payment, providing consistency across markets and lending scenarios. But it’s increasingly clear that many renters with the income to support a mortgage cannot assemble that level of upfront cash. For these households, FHA financing becomes more than a lending product—it becomes the only viable route into ownership.
Under FHA loans, buyers can put down as little as 3.5%, but the trade-off comes through stricter guidelines and higher insurance costs. To reflect this, our FHA scenario incorporates: 0.55% annual mortgage insurance and a 1.75% upfront mortgage insurance premium amortized over the life of the loan. With these adjustments, the national ownership premium rises to 34% in Q3 2025 (from 31% with a 5% down payment), or roughly $822 more per month than renting.
The higher monthly figure reflects the inverse relationship between upfront equity and ongoing payments: when savings barriers fall, monthly costs rise. Still, focusing on the premium alone risks missing the bigger truth: many households simply cannot save 5% in today’s cost environment. For them, FHA doesn’t necessarily worsen affordability. Rather, it unlocks the door to ownership they otherwise couldn’t open at all.
Builder Incentives Help Bend the Math Back Towards Buyers
When builder incentives are layered onto the FHA model, the picture changes meaningfully. Using a 4.9% builder-provided rate buydown, consistent with the most commonly cited incentive in Zonda’s January Builder Sentiment Survey, the national ownership premium falls from 34.4% to 16.9%—a reduction of roughly $405 per month.
For buyers on the margin, this can make the difference between continuing to rent and finally stepping into ownership. For builders, it underscores the strategic importance of financing levers in today’s market: the most effective incentive is a payment solution.
Market-Level Effects
Shifting to FHA financing:
- More than one-third of the 75 major markets analyzed by Zonda exhibit ownership premiums at least double the cost of renting.
- Four additional metros cross the 100% ownership premium threshold, including: Virginia Beach (102.7%), Oklahoma City (102.6%), Madison (102.0%), and Louisville/Jefferson County (100.9%).
Takeaways
Lower down payments expand access to ownership, but they also prolong higher monthly payments. For builders, understanding how FHA reshapes the rent-versus-own spread is essential to crafting incentive strategies, adjusting product match, and meeting buyers where they are both financially and behaviorally.
The insights in this article were taken from more in-depth research reports published in Zonda’s National Outlook subscription.
