Compare the three ways to buy

The payment, the cash to close, and what is left to pay

Cash to Close
Assumption

Assumption only

$1,512/mo
Lowest payment
Down payment
$496,874
Funds due
$510,609
Interest + MI left
$81,304
First ends
Sep 2045
Assumption

Assumption + second

$4,599/mo
+$3,088/mo
Down payment
$65,874
Funds due
$80,951
Interest + MI left
$761,889
First ends
Sep 2045
New loan

New conventional

$4,576/mo
+$3,064/mo
Down payment
$65,874
Funds due
$77,252
Interest + MI left
$885,750
First ends
Dec 2056

Monthly payment

The initial total housing payment for each option.

Assumption onlyAssumption + secondNew conventional
First mortgage$153,126$153,126$584,126
Second mortgage—$431,000—
First P&I$952.86$952.86$4,044.37
Second P&I—$3,087.74—
Mortgage insurance$144.15$144.15$116.83
Taxes, insurance & HOA$414.58$414.58$414.58
Total housing payment$1,511.59$4,599.33$4,575.78

Cash to close

Down payment, closing costs and prepaids, then credits.

Down payment$65,874
Closing costs & prepaids$15,076
Usable credit−$0
Total buyer cash needed$80,951
Earnest money paid−$0
Remaining funds due$80,951
Assumption fee$1,800.00
Credit report$250.00
UMe assumption specialist (1%)$6,500.00
Title & settlement$1,825.00
Recording fee$100.00
Second-loan charges$1,250.00
Home insurance (12 months up front)$2,000.00
Insurance escrow (3 months)$500.00
Property tax escrow (3 months)$589.25
Initial HOA (3 months)$154.50
Prepaid interest, first (1 days)$16.11
Prepaid interest, second (1 days)$91.51

Prepaids include a year of home insurance up front, three months of taxes and insurance in escrow, and 1 days of interest to the end of the closing month.

What is left to pay

The seller already paid down the early, interest-heavy years.

Remaining first mortgage at closing18 yr 10 moOf the original 30-year loan at 3.840%
Interest already paid$77,309Through Nov 2026
Assumption only · ends Sep 2045$81,304
Assumption + second · ends Sep 2045, second Dec 2056$761,889
New conventional · ends Dec 2056$885,750