The Biden-era income-driven repayment plans that let millions of borrowers carry student loan debt at artificially suppressed monthly payments are unwinding. Courts have blocked key programs, Congress is moving to restrict others, and lenders are already recalibrating how they count student debt in mortgage applications. For first-time buyers in the Phoenix metro — a group that’s already been squeezed by rates and prices — this shift could quietly shut more people out of the market before they even get to a showing.

Here’s what’s actually happening, and what it means for your purchasing power.

How Income-Driven Repayment Plans Distorted the Mortgage Math

For years, programs like SAVE (Saving on a Valuable Education) and other income-driven repayment (IDR) plans allowed borrowers to carry large student loan balances while making monthly payments as low as $0 to $50. On paper, that’s a gift. In mortgage underwriting, it creates a complication — but one that borrowers learned to work around.

Fannie Mae and Freddie Mac guidelines traditionally allowed lenders to use the actual IDR payment in the debt-to-income (DTI) calculation, even if that payment was artificially low. A borrower with $80,000 in student loans paying $45/month under an IDR plan could qualify for a mortgage as if that $45 were the real long-term obligation.

That workaround is closing.

As the SAVE program faces court-ordered suspension and Congress debates eliminating or restructuring IDR options through budget reconciliation, lenders are preparing for a world where those suppressed payments no longer qualify as valid reference points. Some lenders are already reverting to older Fannie/Freddie guidelines that impute a 1% of total balance monthly payment when no valid payment is established — which on an $80,000 balance means $800/month in DTI exposure instead of $45.

That’s not a minor adjustment. That’s a $755/month swing in qualifying debt.

What This Means for Phoenix-Area Buyers in Practice

Let’s put real numbers to it.

A buyer earning $85,000 a year in the Phoenix metro — a solid income, but not uncommon for a young professional in Tempe or Chandler — has a gross monthly income of about $7,083. With current mortgage rates hovering near 6.8% (as of recent market data), a 30-year loan on a $380,000 home with 5% down generates a principal and interest payment around $2,400/month, plus taxes and insurance pushing the total monthly housing cost closer to $2,850.

Under conventional DTI standards, most lenders want total debt obligations below 43–45% of gross income. At $7,083/month, that’s a ceiling of roughly $3,187 in total monthly debts.

With the $45 IDR payment: total debts come in at $2,895. Loan approved.

With the 1% imputed payment on that same $80,000 balance: total debts jump to $3,650. Loan denied.

Same borrower. Same property. Same income. Different student loan accounting method.

Phoenix is already dealing with a housing market where affordability has been stretched thin. The Phoenix housing market in 2025 has seen inventory tick up slightly, but prices have remained stubbornly high, and the buyer pool is already thinner than sellers would like. Adding a new wave of disqualified first-time buyers doesn’t help.

The Debt-to-Income Squeeze Is Already Happening From Multiple Directions

Student loans aren’t the only liability eating into buying power right now. Car payments have become a real problem — the average new vehicle payment has climbed sharply over the last two years, and as I wrote about the average new-car payment shrinking homebuyers’ budgets, that single line item can eliminate over $100,000 in purchase price eligibility. Stack that on top of student loan exposure, and you start to see why a lot of would-be buyers are sitting on the sidelines.

The student loan change adds a new layer on top of an already difficult DTI environment:

Each item alone is manageable. Together, they’re locking out a significant slice of the buying population.

What First-Time Buyers Should Do Right Now

If you’re carrying student debt and planning to buy in the next 12–18 months, you need to get ahead of this before it surprises you at underwriting. Here’s how to approach it:

  1. Pull your credit and run a full DTI calculation today. Don’t wait for a lender to tell you there’s a problem. Know your numbers before you fall in love with a house.
  2. Ask your lender specifically how they’re treating your IDR payment. Not all lenders are applying the 1% rule yet. Some are still using actual payment amounts if documentation supports it. This varies by lender and loan type.
  3. Consider whether refinancing your student loans to a standard repayment makes strategic sense. A fixed, documented payment — even a higher one — can sometimes be better than an uncertain IDR payment that might get imputed higher anyway.
  4. Look at loan programs with more flexible DTI thresholds. FHA loans allow DTIs up to 50% with compensating factors. If you have strong cash reserves or a high credit score, FHA might give you more runway than conventional.
  5. Investigate down payment assistance programs. Arizona has several active DPA programs through the Arizona Department of Housing that can reduce the loan amount — and therefore the payment — enough to tip a borderline DTI back into qualifying range.

One more thing worth watching: Congress is considering broader restructuring of student loan repayment as part of budget negotiations. Congress aims to lower housing costs with new bills targeting various affordability levers, but legislative relief is slow and uncertain. You can’t count on policy saving your qualification timeline.

The Bottom Line

The student loan affordability shift is the kind of change that doesn’t make headlines until someone’s deal falls apart. The mechanics are buried in underwriting guidelines and federal program eligibility rules — not exactly dinner conversation. But the effect is concrete: fewer buyers qualify, demand softens at the entry-level price point, and the first-time buyer pipeline gets longer.

If you’re planning to buy in Chandler, Gilbert, Peoria, or anywhere else in the Phoenix metro in the next year or two, run your numbers now with the 1% rule applied to your student balance. If you still qualify, great — you have room to work with. If you don’t, you have time to restructure before you need to. Either way, finding out now is a lot better than finding out the day before closing.