How to calculate DSCR on a rental property
The ratio is simple. The inputs deserve more attention. A rental that looks comfortable at today's payment can look different after a refinance, tax increase or insurance renewal.
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Use the program's definition
For many residential rental loans, divide qualifying monthly rent by the monthly housing payment. Include principal, interest, property taxes, insurance and association dues when required. Other loans use net operating income divided by debt service. Those methods are not interchangeable.
A worked example
Illustration only: qualifying rent of $2,500 divided by a housing payment of $2,000 gives a DSCR of 1.25. That means the rent is 1.25 times that payment. It is not a promised approval threshold or an Eagle Cap quote. If the housing payment rises to $2,250, the same rent gives about 1.11.
DSCR is not your take-home cash flow
A residential rent-to-payment ratio may not deduct every operating expense. Repairs, vacancy, management, utilities paid by the owner and capital replacements still affect the investment. Keep a separate operating budget even when the lender's ratio looks strong.
Check the rent before changing the loan
The program may use a lease, appraised market rent or a specific combination. Do not increase the assumed rent just to reach a target ratio. Confirm treatment of vacant properties and short-term rentals. The qualifying rent should have evidence behind it.
Compare the whole structure
A different loan amount, interest-only period or rate can change the ratio. Compare the payment after any interest-only period, total closing costs and prepayment terms too. Ask for calculations based on the same rent and expenses so a lower quoted payment does not hide a different risk.