How Much Is 20% Down on a $500K House?

Putting 20% down on a $500,000 house means writing a check for $100,000. Here’s how different down payment amounts compare.

Down Payment Amounts on a $500K House

Down Payment % Amount Loan Amount PMI Required?
3% $15,000 $485,000 Yes
5% $25,000 $475,000 Yes
10% $50,000 $450,000 Yes
15% $75,000 $425,000 Yes
20% $100,000 $400,000 No
25% $125,000 $375,000 No

How Down Payment Affects Your Monthly Mortgage

At 6.5% interest on a 30-year fixed mortgage:

Down Payment Loan Amount P&I Payment PMI (~0.5%) Total Payment
3% ($15,000) $485,000 $3,065 $202 $3,267
5% ($25,000) $475,000 $3,002 $198 $3,200
10% ($50,000) $450,000 $2,844 $188 $3,032
20% ($100,000) $400,000 $2,528 $0 $2,528

Putting 20% down saves $672/month compared to 5% down (before taxes and insurance).

Total Interest Paid Over Loan Life

Down Payment Loan Amount Total Interest (30-yr, 6.5%)
5% ($25,000) $475,000 $605,300
10% ($50,000) $450,000 $573,500
20% ($100,000) $400,000 $509,600

20% down saves $95,700 in interest compared to 5% down.

How Long to Save $100,000 for 20% Down

Monthly Savings Time to $100,000
$1,000/month 8.3 years
$1,500/month 5.6 years
$2,000/month 4.2 years
$2,500/month 3.3 years
$3,500/month 2.4 years
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