Down Payment on a $900K Home — 3% to 20% Comparison

Compare 3%, 5%, 10%, 15%, and 20% down payment options on a $900K home

Down Payment Options for a $900K Home

Your down payment directly affects your loan amount, monthly payment, PMI requirement, and total interest over the life of the mortgage. Below is a side-by-side comparison at a 7% reference interest rate (30-year fixed).

Down %Down PaymentLoan AmountMonthly P&IEst. PMITotal MonthlyTotal Interest (30yr)
3% $27,000 $873,000 $5,808 $509 $6,517 $1,217,880
5% $45,000 $855,000 $5,688 $499 $6,387 $1,192,680
10% $90,000 $810,000 $5,389 $473 $6,062 $1,130,040
15% $135,000 $765,000 $5,090 $446 $5,736 $1,067,400
20% $180,000 $720,000 $4,790 $0 $4,990 $1,004,400

PMI Savings at 20% Down

Putting 20% down on a $900K home means a down payment of $180,000. The biggest benefit? No PMI. Compared to a 3% down payment, the 20% option saves you approximately $1,527/month ($18,324/year) in combined lower principal, interest, and eliminated PMI costs.

Comparison3% Down20% DownMonthly Savings
Down Payment$27,000$180,000
Loan Amount$873,000$720,000
Total Monthly Payment$6,517$4,990$1,527
PMI Cost$509/mo$0$509

Down Payment by Loan Type

Different mortgage programs have different minimum down payment requirements for a $900K home:

Loan TypeMin. Down PaymentAmount on $900KPMI/MIP Required?
Conventional3% - 5%$27,000 - $45,000Yes, until 20% equity
FHA3.5%$31,500Yes (MIP for loan life)
VA0%$0No PMI (VA funding fee applies)
USDA0%$0Guarantee fee applies

How to Save for a Down Payment Faster

How Down Payment Affects Your Interest Rate

Lenders view larger down payments as lower risk, which can translate to a better interest rate. Borrowers putting 20%+ down on a $900K home typically qualify for rates 0.125% to 0.25% lower than those with minimal down payments. On a $720,000 loan, even a 0.25% rate reduction saves $120/month.

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Frequently Asked Questions

How much down payment do I need for a $900K home?

The minimum down payment depends on your loan type. Conventional loans typically require 3-5% ($27,000 to $45,000), FHA loans require 3.5% ($31,500), and VA/USDA loans may allow 0% down. To avoid PMI entirely, you need 20% down ($180,000).

What is PMI and when can I remove it on a $900K home?

Private Mortgage Insurance (PMI) is required when your down payment is less than 20%. On a $900K home with 3% down, PMI costs approximately $509/month. You can request PMI removal once you reach 20% equity ($180,000 in home equity), and your lender must automatically cancel it at 22% equity.

Is it better to put 20% down on a $900K home or invest the difference?

Putting 20% down ($180,000) eliminates PMI and lowers your monthly payment significantly. However, if your investment returns exceed your mortgage rate after tax, keeping a smaller down payment and investing could yield higher net returns. Consider your risk tolerance, emergency fund needs, and the guaranteed savings from PMI elimination when making this decision.