Compare the three ways to buy

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

Cash to Close
Assumption

Assumption only

$1,384/mo
Lowest payment
Down payment
$370,551
Funds due
$382,930
Interest + MI left
$63,360
First ends
Apr 2045
Assumption

Assumption + second

$3,676/mo
+$2,293/mo
Down payment
$50,551
Funds due
$64,248
Interest + MI left
$568,667
First ends
Apr 2045
New loan

New conventional

$3,654/mo
+$2,271/mo
Down payment
$50,551
Funds due
$60,703
Interest + MI left
$676,981
First ends
Dec 2056

Monthly payment

The initial total housing payment for each option.

Assumption onlyAssumption + secondNew conventional
First mortgage$126,449$126,449$446,449
Second mortgage—$320,000—
First P&I$787.99$787.99$3,091.12
Second P&I—$2,292.52—
Mortgage insurance$121.71$121.71$89.29
Taxes, insurance & HOA$473.92$473.92$473.92
Total housing payment$1,383.62$3,676.14$3,654.33

Cash to close

Down payment, closing costs and prepaids, then credits.

Down payment$50,551
Closing costs & prepaids$13,697
Usable credit−$0
Total buyer cash needed$64,248
Earnest money paid−$0
Remaining funds due$64,248
Assumption fee$1,800.00
Credit report$250.00
UMe assumption specialist (1%)$4,970.00
Title & settlement$1,825.00
Recording fee$100.00
Second-loan charges$1,250.00
Home insurance (12 months up front)$2,000.00
Insurance escrow (3 months)$500.00
Property tax escrow (3 months)$921.75
Prepaid interest, first (1 days)$12.71
Prepaid interest, second (1 days)$67.95

Prepaids include a year of home insurance up front, three months of taxes and insurance in escrow, and 1 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 closing18 yr 5 moOf the original 30-year loan at 3.670%
Interest already paid$64,150Through Nov 2026
Assumption only · ends Apr 2045$63,360
Assumption + second · ends Apr 2045, second Dec 2056$568,667
New conventional · ends Dec 2056$676,981