DSCR Calculator
Total annual rent collected before any deductions
Estimated annual income lost to vacancies (typically 5–10% of gross)
Property management, maintenance, repairs (not including taxes/insurance/HOA)
Loan Parameters
Monthly PITIA Components
Optional — enter 0 if no HOA
Slide to see the minimum NOI needed to achieve this DSCR
Enter Property Details
Fill in your rental income, loan parameters, and PITIA expenses to calculate your DSCR, NOI breakdown, and lender qualification status.
How to Use This DSCR Calculator
Choose Your Income Input Method
Select 'Full Breakdown' to enter gross rental income, vacancy loss, and operating expenses separately — the calculator derives your NOI automatically. Or choose 'Direct NOI' if you already know your property's net operating income figure.
Enter Loan Parameters
Input the loan amount, annual interest rate, and loan term in years. The calculator uses the standard amortization formula to compute your monthly principal and interest payment and annual debt service automatically.
Add PITIA Components
Enter your monthly property taxes, insurance premium, and HOA dues (if applicable). These are added to P&I to form your full PITIA payment — the figure most DSCR lenders use to assess residential investment property loans.
Review Your DSCR and Reverse Calculation
Your fixed-rate and interest-only DSCR values appear instantly. Use the Target DSCR slider to see the minimum NOI required to hit any specific ratio. Compare both payment scenarios and export your results to CSV for lender conversations.
Frequently Asked Questions
What is a good DSCR for a rental property loan?
Most commercial real estate lenders consider a DSCR of 1.25x or higher to be the minimum acceptable threshold — meaning the property generates 25% more income than needed to cover debt payments. A DSCR of 1.50x or above is considered exceptional and may unlock better rates or higher leverage. For residential DSCR loan programs aimed at investment property buyers, many lenders accept ratios as low as 1.0x (break-even), though rates and terms improve significantly as DSCR rises. Aiming for at least 1.20–1.25x provides a safety buffer against vacancies and unexpected expense increases.
What is the difference between P&I DSCR and PITIA DSCR?
P&I DSCR uses only principal and interest payments as the debt service denominator, ignoring taxes, insurance, and HOA. PITIA DSCR includes all components — principal, interest, taxes, insurance, and association dues — giving a more complete picture of total housing cost. Residential DSCR loan programs (used for investment properties without income verification) almost exclusively use PITIA as the denominator, since it reflects the total monthly obligation. Commercial lenders often use P&I plus any reserve requirements. Using PITIA gives a more conservative and realistic DSCR that better reflects actual cash flow requirements.
How does interest-only DSCR differ from fixed-rate DSCR?
Interest-only loans have lower monthly payments than fully amortizing loans because no principal is repaid — only interest accrues each month. This reduces the debt service denominator, producing a higher DSCR for the same property income. Some investors use interest-only periods (typically 5–10 years) to improve short-term cash flow and DSCR qualification. However, once the interest-only period ends and the loan amortizes, monthly payments rise substantially. Lenders offering IO loans may still qualify borrowers based on the fully amortized payment to ensure long-term affordability. This calculator shows both DSCR figures side by side so you can compare scenarios.
What does DSCR below 1.0 mean?
A DSCR below 1.0 means the property's net operating income is less than its annual debt service — the property does not generate enough revenue to cover mortgage payments on its own. The owner must contribute additional funds each month from personal income or reserves to service the loan. This is called 'negative cash flow.' Most lenders will not approve a loan on a property with DSCR below 1.0 because it represents an elevated default risk. If your DSCR is below 1.0, options include negotiating a lower purchase price, increasing the down payment to reduce loan amount, finding ways to increase rent or reduce vacancies, or lowering operating expenses.
How can I improve my property's DSCR?
There are two levers for improving DSCR: increasing NOI or decreasing debt service. To boost NOI, you can raise rents to market rates, reduce vacancy through better property management, cut unnecessary operating expenses, or add income streams (laundry, parking, storage). To reduce debt service, you can make a larger down payment to lower the loan amount, negotiate a lower interest rate, extend the loan term (which lowers monthly payments but increases total interest), or pursue an interest-only loan product if available. Lenders often allow a co-borrower with strong financials to supplement income-based qualification when DSCR is marginal.
What is the difference between NOI and gross rental income in DSCR calculations?
Gross rental income is the total rent collected from tenants before any deductions. Net Operating Income (NOI) is what remains after subtracting vacancy losses (periods when units are empty) and operating expenses (property management fees, maintenance, repairs, landscaping, etc.) from gross income. NOI does not include mortgage payments — those are the debt service side of the DSCR equation. For a clean DSCR calculation, expenses like taxes and insurance may be treated differently: in commercial real estate, they are usually subtracted as operating expenses to arrive at NOI, then added back as part of debt service for PITIA-based lenders. Always clarify with your lender which expense treatment they use.