By Justin Lazzaro, NMLS #1229453
Published October 30, 2026. Last reviewed October 30, 2026.
A lender compares the property's monthly rent to its full monthly housing cost, including taxes, insurance and any homeowners association dues. That comparison is the debt service coverage ratio, or DSCR. If the rent covers the cost, you may be able to qualify on the property's rent instead of your personal income, if you meet the lender's other requirements.
The lender divides the monthly rent by the property's full monthly housing cost: principal, interest, property taxes, homeowners insurance and any HOA dues. A ratio of 1.00 means the rent covers that cost exactly. If the rent is 25% more than the cost, the ratio is 1.25. If the rent covers three quarters of the cost, the ratio is 0.75.
Because the property's rent does the qualifying, many DSCR lenders don't verify your job or personal income at all. That is why these loans can work for investors whose tax returns don't show their full income.
Usually from the appraisal. For a single-family rental, the appraiser estimates market rent by comparing similar rentals nearby on a comparable rent schedule, known as Fannie Mae Form 1007. If the home is already rented, the lender looks at the lease too.
Lenders handle a gap between the two numbers differently. Some use the lower one. Others will use a higher lease on a refinance if you can show the tenant has actually been paying it, such as with the two most recent months of rent received on time.
Short-term rentals have their own rules. One lender's guidelines, for example, count the lower of the appraiser's market rent or 75% of your last 12 months of booking income from a platform like Airbnb or VRBO. Another requires at least a year of hosting experience.
It depends on the lender. Many set up their DSCR loans in tiers: a ratio of 1.00 or higher, a ratio from 0.75 to 0.99, and sometimes a "no ratio" option for properties whose rent covers less than that. Lower ratios usually come with stricter terms, such as a higher credit score or a smaller loan compared with the home's value.
First-time investors often face a firmer line. Several lenders require a ratio of at least 1.00 and a credit score of 700 or higher if you haven't owned an investment property before, and some also require you to own the home you live in.
DSCR loans are for investment properties only. If you'll live in the home, even in one unit of a duplex, other loan types apply. This article describes common DSCR guidelines in general. It doesn't describe any one lender's program.
Looking at a rental? Send me the address and the expected rent, and I'll show you how the ratio works out and how it compares with other options. Request a quote, or read more about DSCR loans and investment property loans.
This article is for general information only. It is not an offer to lend or a commitment to lend. Loan programs and guidelines change, and approval depends on credit, income, assets, property and program eligibility. Not all borrowers qualify. Market information is as of the date shown and comes from the sources credited. Any average rate mentioned is a national survey figure from its named source, not a rate offered by Reasy Financial, LLC or Justin Lazzaro. Justin Lazzaro, NMLS #1229453. Reasy Financial, LLC, NMLS #2446155, AZ BK 2012302. Equal Housing Opportunity.