15-Year Mortgage vs 30-Year Mortgage: Which Is Better?

15-Year Mortgage vs 30-Year Mortgage: which is better?

Bottom lineFor investors, the 30-year loan usually wins: lower payments mean better cash flow and better DSCR ratios, which is how rental loans are judged. The 15-year loan builds equity fast but the higher payment can strangle cash flow and disqualify borderline DSCR deals.

Reviewed by Juan Fernando Romero, NMLS 2557318Updated October 14, 2026

Side by side

	15-Year Mortgage	30-Year Mortgage
Monthly payment	Roughly 40 to 50 percent higher	Lower
Interest rate	Usually 0.5 to 0.75 percent lower	Higher
Total interest paid	Dramatically lower	Much higher over 30 years
Cash flow impact	Tighter or negative	Stronger positive cash flow
DSCR qualification	Harder; higher payment lowers the ratio	Easier; lower payment raises the ratio
Best for	High-income investors prioritizing equity	Cash flow investors scaling portfolios

Figures are typical market ranges as of October 2026. Actual terms depend on the lender, your credit, the property and the program, and are confirmed on your Loan Estimate or term sheet.

Explore each option

Home loan

Conventional Loans

A conventional loan is a mortgage not insured by the government that follows Fannie Mae or Freddie Mac guidelines.

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Investment property

DSCR Loans

A DSCR loan is an investment-property mortgage that qualifies you on the property’s rental income divided by its monthly payment (the debt service coverage ratio).

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Frequently asked questions

Why do most investors choose 30-year loans?

Cash flow. The lower payment leaves more monthly income, improves DSCR ratios for qualification, and frees capital for the next property.

Does a 15-year loan ever make sense for a rental?

Yes, for investors near retirement who want properties free and clear, or high earners who value interest savings over portfolio growth.

Can I get a 15-year DSCR loan?

Some DSCR lenders offer 15-year terms, but most investors take 30-year amortizing or interest-only options to maximize cash flow.

Should I pay extra toward principal instead?

Many investors with 30-year loans pay extra when cash flow allows, getting flexibility plus faster payoff. You get the low required payment with the option to accelerate.