Compare the three ways to buy

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

Cash to Close
Assumption

Assumption only

$3,970/mo
+$132/mo
Down payment
$37,494
Funds due
$50,935
Interest + MI left
$607,233
First ends
Aug 2053
New loan

New conventional

$3,838/mo
Lowest payment
Down payment
$54,990
Funds due
$66,150
Interest + MI left
$723,640
First ends
Jan 2057

Monthly payment

The initial total housing payment for each option.

Assumption onlyNew conventional
First mortgage$512,406$494,910
Second mortgage——
First P&I$3,338.83$3,352.69
Second P&I——
Mortgage insurance$244.91$98.98
Taxes, insurance & HOA$386.67$386.67
Total housing payment$3,970.40$3,838.34

Cash to close

Down payment, closing costs and prepaids, then credits.

Down payment$37,494
Closing costs & prepaids$13,441
Usable credit−$0
Total buyer cash needed$50,935
Earnest money paid−$0
Remaining funds due$50,935
Assumption fee$1,800.00
Credit report$250.00
UMe assumption specialist (1%)$5,499.00
Title & settlement$1,825.00
Recording fee$100.00
Home insurance (12 months up front)$2,000.00
Insurance escrow (3 months)$500.00
Property tax escrow (3 months)$660.00
Prepaid interest, first (9 days)$807.36

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 closing26 yr 8 moOf the original 30-year loan at 6.39%
Interest already paid$111,619Through Dec 2026
Assumption only · ends Aug 2053$607,233
New conventional · ends Jan 2057$723,640