Mortgage Payment Calculator

What Is an Investment Property Mortgage?

An investment property mortgage is a loan used to purchase a property you do not intend to live in — typically a rental property held for income and appreciation. These loans carry different terms than primary residence mortgages: higher interest rates (typically 0.5 to 1.0 percentage points above primary residence rates), larger down payment requirements (15% to 25%), and stricter qualification standards.

DSCR (Debt Service Coverage Ratio) loans are the most common mortgage type for investors. They qualify borrowers based on the property’s rental income rather than the investor’s personal income, making them accessible to self-employed individuals and portfolio investors who may not show strong W-2 income.

The investment property mortgage calculator above estimates your monthly payment, breaks down PITIA components, and shows the full amortization schedule.

Mortgage Payment Formula

The standard amortization formula calculates the monthly principal and interest (P&I) payment:

Monthly P&I = Loan Amount x [r(1+r)^n] / [(1+r)^n - 1]

Where r is the monthly interest rate (annual rate divided by 12) and n is the total number of payments (term in years times 12).

For a $300,000 property with 25% down payment, the loan amount is $225,000. Over a 30-year term, the monthly P&I payment depends on your interest rate — use the calculator above for the current estimated rate based on market data.

PITIA adds the remaining monthly obligations:

• P&I from the formula above
• Taxes — annual property tax divided by 12
• Insurance — annual premium divided by 12
• Association dues — monthly HOA fee, if applicable

Enter your numbers above to see the complete PITIA breakdown instantly.

How to Calculate Your Mortgage Payment

Step 1: Determine the loan amount. Subtract your down payment from the property price. For a $300,000 property with 25% down: $300,000 - $75,000 = $225,000 loan.

Step 2: Identify your interest rate. Investment property rates are higher than primary residence rates. DSCR loans carry an additional premium. The calculator uses current market data to estimate your rate, or you can enter a specific rate from your lender.

Step 3: Choose the loan term. The most common terms are 30 years (lower monthly payments, more total interest) and 15 years (higher payments, less total interest). Some investors also consider interest-only periods or adjustable-rate mortgages (ARMs) for specific strategies.

Step 4: Add taxes, insurance, and HOA. These are the non-mortgage components of PITIA:

• Property taxes are available on the listing or county assessor’s website
• Insurance estimates come from your agent or carrier
• HOA fees are listed in the property details

The calculator’s amortization schedule shows how each payment splits between principal and interest over the life of the loan, revealing when your equity buildup accelerates.

What Is a Good Mortgage Rate?

Investment property mortgage rates run higher than primary residence rates due to the increased risk lenders associate with non-owner-occupied properties:

Your specific rate depends on several factors: credit score, loan-to-value ratio, DSCR ratio, property type (single-family vs multi-unit), and the lender’s current pricing. Higher DSCR ratios earn better rates — a property with 1.25 DSCR typically qualifies for a lower rate than one at 1.0.

Rates change weekly based on market conditions. Rather than targeting a specific number, focus on rate spreads above the current market benchmark. Use the calculator above to see current estimated rates based on the latest market data.

Mortgage Payment vs DSCR

Your mortgage payment is the foundation of the DSCR calculation. PITIA forms the denominator in the DSCR formula (DSCR = Monthly Rent / Monthly PITIA), so anything that changes your payment directly changes your DSCR ratio.

This creates actionable levers for improving loan qualification:

• Lower interest rate — reduces P&I, which reduces PITIA, which raises DSCR
• Larger down payment — smaller loan means lower P&I and higher DSCR
• Longer term — 30-year vs 15-year lowers monthly payments, improving DSCR (at the cost of more total interest)
• Lower property taxes or insurance — reduces PITIA directly

The sensitivity analysis above shows exactly how rate and term changes affect both your monthly payment and DSCR ratio simultaneously. Understanding this relationship helps you structure deals that qualify for financing while meeting your cash flow targets.

Check your DSCR ratio →

Calculate your cash-on-cash return →

Limitations

The mortgage calculator provides estimates, not actual loan offers. Keep these constraints in mind:

• Rate estimates, not quotes — your actual rate depends on credit, property details, and lender-specific pricing that the calculator cannot capture.
• Closing costs not included — the monthly payment estimate covers PITIA but does not include upfront closing costs (typically 2% to 5% of the loan amount).
• No PMI — private mortgage insurance is rare on investment properties since most lenders require 20%+ down payment.
• Standard amortization — the calculator assumes a standard fully amortizing fixed-rate loan. Interest-only, ARM, and balloon payment structures have different payment profiles.

For actual loan terms, contact a lender or mortgage broker who specializes in investment property financing. Use the calculator to model scenarios before those conversations.

Frequently Asked Questions

What is the minimum down payment for an investment property?

For single-unit conventional loans, the minimum is typically 15%. Multi-unit investment properties require 25% down. DSCR loans generally require 20% to 25%. The investment property mortgage calculator above defaults to 25%, which is the conservative standard accepted by virtually all investment property lenders.

Are investment property mortgage rates higher?

Yes, investment property rates are typically 0.5 to 1.0 percentage points above primary residence rates. DSCR loans carry an additional premium above conventional investment rates. Your specific rate depends on credit score, down payment, property type, and DSCR ratio. Use the calculator above for current estimated rates based on market data.

Can I get a mortgage for a rental property without income verification?

Yes. DSCR loans qualify based on the property’s rental income relative to its debt payments, not your personal income or employment. This makes them accessible to self-employed investors, those with complex tax returns, and portfolio investors who have exhausted conventional loan limits.

What is PITIA?

PITIA stands for Principal, Interest, Taxes, Insurance, and Association dues (HOA). It represents the complete monthly housing payment obligation on an investment property. Lenders use PITIA for DSCR calculations because it captures all mandatory costs beyond just the loan payment itself.

How does amortization work?

With a standard amortizing loan, early payments are mostly interest with a small portion going to principal. Over time, the interest portion decreases and the principal portion increases. The calculator’s amortization schedule shows this crossover visually, helping you see when your equity buildup accelerates.

Should I choose a 15-year or 30-year mortgage?

A 15-year mortgage saves significantly on total interest and builds equity faster, but monthly payments are substantially higher, which reduces cash flow and lowers your DSCR. A 30-year term maximizes monthly cash flow and DSCR ratio at the cost of more total interest. Use the comparison tool above to see the exact trade-off for your property.