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26 July 2026

Understanding cap rate, cash-on-cash return, and debt service coverage ratio for rental properties

Discover the key financial metrics for evaluating second-home rentals and download a calculator to help with your investment decisions

Understanding cap rate, cash-on-cash return, and debt service coverage ratio for rental properties

When considering a second-home rental, it’s essential to evaluate the financial potential of the property. Cap ratecash-on-cash return and debt service coverage ratio are three crucial metrics to understand. These calculations help investors determine the viability of a rental property and make informed decisions.

A cap rate calculation involves dividing the property’s annual net operating income by its purchase price. For example, if a property is purchased for $500,000 and generates $30,000 in annual net operating income, the cap rate would be 6%. This metric provides a snapshot of the property’s potential return on investment.

Calculating Cash-on-Cash Return

Cash-on-cash return is another important metric, which calculates the return on investment based on the cash invested. This is done by dividing the annual net operating income by the total cash invested, including down payment and closing costs. For instance, if an investor puts down 20% on a $500,000 property, their cash investment would be $100,000. If the property generates $30,000 in annual net operating income, the cash-on-cash return would be 30%.

Debt Service Coverage Ratio

The debt service coverage ratio (DSCR) is a critical metric for investors who plan to finance their rental property. It calculates the property’s ability to cover its debt payments, including mortgage, interest, and other expenses. A DSCR of 1 or higher indicates that the property generates enough income to cover its debt payments. For example, if a property has a monthly mortgage payment of $2,000 and generates $2,500 in monthly net operating income, the DSCR would be 1.25.

Common Pitfalls and Considerations

When evaluating second-home rentals, it’s essential to consider all expenses, including property management feesvacancy rates and maintenance costs. Investors should also be aware of potential tax implications and regulatory requirements. A thorough understanding of these factors can help investors avoid common pitfalls and make informed decisions.

Downloadable Calculator and Interpretation Guide

To help with the evaluation process, a downloadable calculator and interpretation guide are available. These tools provide a comprehensive framework for calculating cap rate, cash-on-cash return, and DSCR, as well as considering other essential factors. By using these resources, investors can make more accurate assessments of second-home rental properties and increase their chances of success in the rental market.

Emily Robinson
Author

Emily Robinson

Emily Robinson, an interiors and home design journalist, covers decor trends, renovation tips and styling ideas, helping readers transform their living spaces with practical, design-led advice.