Compare the three ways to buy

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

Cash to Close
Assumption

Assumption only

$4,028/mo
+$428/mo
Down payment
$0
Funds due
$13,197
Interest + MI left
$664,495
First ends
Oct 2054
New loan

New conventional

$3,600/mo
Lowest payment
Down payment
$49,990
Funds due
$60,849
Interest + MI left
$657,843
First ends
Jan 2057

Monthly payment

The initial total housing payment for each option.

Assumption onlyNew conventional
First mortgage$500,218$449,910
Second mortgage——
First P&I$3,330.81$3,047.85
Second P&I——
Mortgage insurance$234.89$89.98
Taxes, insurance & HOA$462.67$462.67
Total housing payment$4,028.37$3,600.50

Cash to close

Down payment, closing costs and prepaids, then credits.

Down payment$0
Closing costs & prepaids$13,197
Usable credit−$0
Total buyer cash needed$13,197
Earnest money paid−$0
Remaining funds due$13,197
Assumption fee$1,800.00
Credit report$250.00
UMe assumption specialist (1%)$4,999.00
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)$600.00
Initial HOA (3 months)$288.00
Prepaid interest, first (9 days)$835.02

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 closing27 yr 10 moOf the original 30-year loan at 6.77%
Interest already paid$74,330Through Dec 2026
Assumption only · ends Oct 2054$664,495
New conventional · ends Jan 2057$657,843