Compare the three ways to buy

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

Cash to Close
Assumption

Assumption only

$4,046/mo
Lowest payment
Down payment
$5,116,828
Funds due
$5,182,081
Interest + MI left
$519,129
First ends
Aug 2053
Assumption

Assumption + second

$36,693/mo
+$32,647/mo
Down payment
$559,828
Funds due
$628,266
Interest + MI left
$7,715,016
First ends
Aug 2053
New loan

New conventional

$36,727/mo
+$32,681/mo
Down payment
$559,828
Funds due
$619,570
Interest + MI left
$7,636,177
First ends
Dec 2056

Monthly payment

The initial total housing payment for each option.

Assumption onlyAssumption + secondNew conventional
First mortgage$478,172$478,172$5,035,172
Second mortgage—$4,557,000—
First P&I$2,959.29$2,959.29$34,862.51
Second P&I—$32,646.91—
Mortgage insurance$229.17$229.17$1,007.03
Taxes, insurance & HOA$857.83$857.83$857.83
Total housing payment$4,046.29$36,693.19$36,727.38

Cash to close

Down payment, closing costs and prepaids, then credits.

Down payment$559,828
Closing costs & prepaids$68,438
Usable credit−$0
Total buyer cash needed$628,266
Earnest money paid−$0
Remaining funds due$628,266
Assumption fee$1,800.00
Credit report$250.00
UMe assumption specialist (1%)$55,950.00
Title & settlement$1,825.00
Recording fee$100.00
Second-loan charges$1,250.00
Home insurance (12 months up front)$2,600.00
Insurance escrow (3 months)$650.00
Property tax escrow (3 months)$1,923.50
Prepaid interest, first (2 days)$154.06
Prepaid interest, second (2 days)$1,935.16

Prepaids include a year of home insurance up front, three months of taxes and insurance in escrow, and 2 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 closing26 yr 9 moOf the original 30-year loan at 5.880%
Interest already paid$93,584Through Nov 2026
Assumption only · ends Aug 2053$519,129
Assumption + second · ends Aug 2053, second Dec 2056$7,715,016
New conventional · ends Dec 2056$7,636,177