Compare the three ways to buy

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

Cash to Close
Assumption

Assumption only

$800/mo
Lowest payment
Down payment
$320,231
Funds due
$330,824
Interest + MI left
$28,669
First ends
Aug 2043
Assumption

Assumption + second

$2,813/mo
+$2,013/mo
Down payment
$39,231
Funds due
$51,611
Interest + MI left
$472,391
First ends
Aug 2043
New loan

New conventional

$2,716/mo
+$1,916/mo
Down payment
$39,231
Funds due
$48,188
Interest + MI left
$505,502
First ends
Jan 2057

Monthly payment

The initial total housing payment for each option.

Assumption onlyAssumption + secondNew conventional
First mortgage$64,769$64,769$345,769
Second mortgage—$281,000—
First P&I$428.22$428.22$2,342.36
Second P&I—$2,013.12—
Mortgage insurance$67.46$67.46$69.15
Taxes, insurance & HOA$304.00$304.00$304.00
Total housing payment$799.68$2,812.80$2,715.51

Cash to close

Down payment, closing costs and prepaids, then credits.

Down payment$39,231
Closing costs & prepaids$12,380
Usable credit−$0
Total buyer cash needed$51,611
Earnest money paid−$0
Remaining funds due$51,611
Assumption fee$1,800.00
Credit report$250.00
UMe assumption specialist (1%)$3,850.00
Title & settlement$1,825.00
Recording fee$100.00
Second-loan charges$1,250.00
Home insurance (12 months up front)$1,800.00
Insurance escrow (3 months)$450.00
Property tax escrow (3 months)$462.00
Prepaid interest, first (9 days)$56.06
Prepaid interest, second (9 days)$536.98

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 closing16 yr 8 moOf the original 30-year loan at 3.51%
Interest already paid$38,041Through Dec 2026
Assumption only · ends Aug 2043$28,669
Assumption + second · ends Aug 2043, second Jan 2057$472,391
New conventional · ends Jan 2057$505,502