Compare the three ways to buy

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

Cash to Close
Assumption

Assumption only

$10,917/mo
Lowest payment
Down payment
$2,252,322
Funds due
$2,295,623
Interest + MI left
$236,663
First ends
May 2037
Assumption

Assumption + second

$24,794/mo
+$13,877/mo
Down payment
$315,322
Funds due
$363,574
Interest + MI left
$3,295,349
First ends
May 2037
New loan

New conventional

$21,253/mo
+$10,336/mo
Down payment
$315,322
Funds due
$357,911
Interest + MI left
$4,144,768
First ends
Jan 2057

Monthly payment

The initial total housing payment for each option.

Assumption onlyAssumption + secondNew conventional
First mortgage$897,678$897,678$2,834,678
Second mortgage—$1,937,000—
First P&I$8,584.48$8,584.48$19,203.10
Second P&I—$13,876.91—
Mortgage insurance$850.00$850.00$566.94
Taxes, insurance & HOA$1,482.92$1,482.92$1,482.92
Total housing payment$10,917.40$24,794.31$21,252.95

Cash to close

Down payment, closing costs and prepaids, then credits.

Down payment$315,322
Closing costs & prepaids$48,252
Usable credit−$0
Total buyer cash needed$363,574
Earnest money paid−$0
Remaining funds due$363,574
Assumption fee$1,800.00
Credit report$250.00
UMe assumption specialist (1%)$31,500.00
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)$3,780.00
Initial HOA (3 months)$18.75
Prepaid interest, first (9 days)$776.92
Prepaid interest, second (9 days)$3,701.53

Prepaids include a year of home insurance up front, three months of taxes and insurance in escrow, and 9 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 closing10 yr 5 moOf the original 15-year loan at 3.51%
Interest already paid$169,825Through Dec 2026
Assumption only · ends May 2037$236,663
Assumption + second · ends May 2037, second Jan 2057$3,295,349
New conventional · ends Jan 2057$4,144,768