Interest-Only Loans

Interest only loans in Florida hold your payment down for the first five to ten years. What happens afterwards is steeper than most borrowers expect.

Written by Renzo Johnson, Licensed Mortgage Loan Originator · Last updated: August 2026

Key features of interest only loans in Florida

  • Interest-only payments for five to ten years
  • A materially lower payment during that period
  • Full amortization begins once it ends, over whatever term remains
  • Available on jumbo, non-QM and some conventional programs
  • Down payment of 20% or more
  • Higher credit score requirements than standard programs

The reset is sharper than an ARM’s, and here is why

People compare this to an adjustable rate loan. The mechanics are worse, because two things change at once.

During the interest-only period you pay nothing toward principal, so after ten years you owe exactly what you borrowed. Then amortization starts, and it has to clear the full balance over the remaining term rather than a fresh one. On a 30-year loan with a ten-year interest-only period, you repay the entire principal across twenty years, not thirty.

Work it through on $500,000 at 7%. Interest-only, you pay about $2,917 a month. Once the period ends, the same balance amortized over the remaining twenty years costs roughly $3,876. That is a jump of nearly $1,000, arriving on a single scheduled date, with no rate change involved at all.

Therefore treat the interest-only period as a decision with a deadline attached. You need a plan to sell, refinance, or absorb that payment, and the plan should exist before you sign rather than in year nine.

Where it genuinely earns its place

For an investor, the case is straightforward. A lower payment raises monthly cash flow and improves the DSCR ratio a lender uses, since that ratio measures rent against the payment. On a Florida rental where rising insurance and association dues have squeezed the numbers, interest-only can be what carries a deal over the qualifying threshold.

For a high earner with lumpy income, it offers a different kind of flexibility. A low required payment, with voluntary principal payments made when bonuses arrive, matches the payment schedule to how the money actually appears.

Who this suits

  • Investors maximising cash flow on rental property
  • Professionals whose income arrives largely as bonus or commission
  • Borrowers with a firm, dated reason to sell before the period ends
  • Short-term rental operators protecting cash flow through the off season

If none of those fit, the lower payment is buying you very little. Compare it against a standard adjustable rate or a plain fixed loan before deciding.

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Payment figures above are illustrative and assume the rate stated. Interest-only terms and amortization periods vary by lender and program; read your own Loan Estimate and note the date the interest-only period ends.