An interest-only DSCR loan begins with a period in which the monthly payment covers interest but not principal, then converts to a fully amortizing payment for the remaining term. Some wholesale lenders calculate coverage on the interest-only payment and others on the amortizing payment, which can change whether a property qualifies.

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Qualifying basis
Rent versus payment; IO or amortizing basis varies by lender
Income documents
No personal income documents; lease or market rent used
Tends to fit
Investors maximizing early cash flow on a rental
Property types
One-to-four unit rentals and many small multifamily
Leverage
Sometimes slightly reduced versus fully amortizing options
Watch for
Payment increase when the interest-only period ends

How this structure works

During the interest-only period, often several years at the start of the loan, the monthly payment consists of interest plus the escrowed taxes, insurance, and dues. No principal is repaid during that time, so the loan balance stays level.

When the interest-only period ends, the loan begins amortizing over the remaining term. Because principal now has to be repaid over fewer years, the payment increases, sometimes noticeably. The full schedule should be reviewed before closing.

Interest-only is a payment feature rather than a separate qualification method. It is layered onto an otherwise standard DSCR loan, so the property, credit, and reserve review follow the same general pattern. Wholesale lenders differ on how long the interest-only period lasts, which loan terms it can be paired with, and whether it is offered on fixed or adjustable structures.

Who it tends to fit

Interest-only structures appeal to investors who prioritize monthly cash flow in the early years of ownership. That may be because they plan to reinvest the difference, expect rents to rise, or anticipate selling or refinancing before the amortizing period begins.

It can also help a property that sits near the qualifying threshold, since a lower payment produces a higher coverage ratio when the lender calculates on the interest-only figure.

  • Investors focused on near-term cash flow
  • Buy-and-improve strategies with a planned refinance
  • Properties near the minimum coverage ratio
  • Investors who want to direct principal toward other acquisitions

How qualification is usually evaluated

The most important detail is which payment the wholesale lender uses to compute DSCR. Some lenders qualify the property on the interest-only payment, which produces a more favorable ratio. Others qualify on the fully amortizing payment, which is more conservative and reflects the payment the borrower will eventually make.

Because of that difference, the same property can qualify with one lender and fall short with another. Credit is reviewed, reserves are verified, and some lenders set a higher minimum credit score or lower maximum leverage for interest-only options.

Reserve requirements may also be calculated on either payment. A lender that qualifies on the interest-only figure may still ask for reserves sized to the future amortizing payment, so it is worth confirming both details at the start.

Property and borrower considerations

Interest-only features are typically available on many of the same property types as standard DSCR loans, including single-family rentals, two-to-four unit properties, and in many cases small multifamily. Availability on condominiums or short-term rentals varies by wholesale lender.

The property must be a business-purpose, non-owner-occupied investment. These loans are not used to finance a home the borrower occupies.

Trade-offs to weigh

Without principal reduction, equity grows only through appreciation and any improvements the investor makes. If values flatten, the investor may hold less equity at refinance time than under an amortizing loan.

The payment reset is the other key consideration. Investors should model the amortizing payment against realistic rent projections and confirm the property still carries itself after the change. Pricing on interest-only options can also differ from fully amortizing alternatives.

How we shop it

We arrange and shop financing from wholesale lenders, and for interest-only scenarios we confirm up front how each lender computes the ratio. We compare the length of the interest-only period, the qualifying payment basis, leverage limits, and prepayment terms.

We also lay out the payment before and after the reset so the investor can see the full picture. All terms are subject to underwriting and lender/investor approval.

Questions about interest-only DSCR

Will my payment go up after the interest-only period?
Yes. Once the loan begins amortizing, the payment includes principal repaid over the remaining term, so it increases. The exact change varies with the loan terms.
Is DSCR calculated on the interest-only payment?
It varies by wholesale lender. Some use the interest-only payment and others use the fully amortizing payment, which can determine whether a property qualifies.
Can I refinance before the interest-only period ends?
Many investors plan to, but a refinance is never assured. It is subject to the market, the property's value, and any prepayment penalty on the existing loan.

See how this structure compares across the full catalog →

Broker, not a lender. Business-purpose loans for non-owner-occupied investment property only; not for personal, family or household use. Not a commitment to lend. All loans subject to underwriting and lender/investor approval; terms subject to change.