Compare the three ways to buy

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

Cash to Close
Assumption

Assumption only

$1,067/mo
Lowest payment
Down payment
$450,187
Funds due
$463,157
Interest + MI left
$32,270
First ends
Jun 2045
Assumption

Assumption + second

$3,919/mo
+$2,851/mo
Down payment
$52,187
Funds due
$66,829
Interest + MI left
$660,746
First ends
Jun 2045
New loan

New conventional

$3,831/mo
+$2,764/mo
Down payment
$52,187
Funds due
$63,257
Interest + MI left
$676,563
First ends
Jan 2057

Monthly payment

The initial total housing payment for each option.

Assumption onlyAssumption + secondNew conventional
First mortgage$64,713$64,713$462,713
Second mortgage—$398,000—
First P&I$400.67$400.67$3,134.58
Second P&I—$2,851.32—
Mortgage insurance$62.19$62.19$92.54
Taxes, insurance & HOA$604.33$604.33$604.33
Total housing payment$1,067.20$3,918.52$3,831.45

Cash to close

Down payment, closing costs and prepaids, then credits.

Down payment$52,187
Closing costs & prepaids$14,642
Usable credit−$0
Total buyer cash needed$66,829
Earnest money paid−$0
Remaining funds due$66,829
Assumption fee$1,800.00
Credit report$250.00
UMe assumption specialist (1%)$5,149.00
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)$1,313.00
Prepaid interest, first (5 days)$32.18
Prepaid interest, second (5 days)$422.53

Prepaids include a year of home insurance up front, three months of taxes and insurance in escrow, and 5 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 6 moOf the original 30-year loan at 3.63%
Interest already paid$32,203Through Dec 2026
Assumption only · ends Jun 2045$32,270
Assumption + second · ends Jun 2045, second Jan 2057$660,746
New conventional · ends Jan 2057$676,563