Compare the three ways to buy

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

Cash to Close
Assumption

Assumption only

$3,081/mo
Lowest payment
Down payment
$554,344
Funds due
$572,577
Interest + MI left
$201,370
First ends
May 2048
Assumption

Assumption + second

$6,419/mo
+$3,338/mo
Down payment
$88,344
Funds due
$108,025
Interest + MI left
$937,223
First ends
May 2048
New loan

New conventional

$6,550/mo
+$3,469/mo
Down payment
$88,344
Funds due
$104,142
Interest + MI left
$1,193,017
First ends
Dec 2056

Monthly payment

The initial total housing payment for each option.

Assumption onlyAssumption + secondNew conventional
First mortgage$320,656$320,656$786,656
Second mortgage—$466,000—
First P&I$1,860.05$1,860.05$5,446.65
Second P&I—$3,338.48—
Mortgage insurance$274.98$274.98$157.33
Taxes, insurance & HOA$945.83$945.83$945.83
Total housing payment$3,080.85$6,419.34$6,549.81

Cash to close

Down payment, closing costs and prepaids, then credits.

Down payment$88,344
Closing costs & prepaids$19,681
Usable credit−$0
Total buyer cash needed$108,025
Earnest money paid−$0
Remaining funds due$108,025
Assumption fee$1,800.00
Credit report$250.00
UMe assumption specialist (1%)$8,750.00
Title & settlement$1,825.00
Recording fee$100.00
Second-loan charges$1,250.00
Home insurance (12 months up front)$2,600.00
Insurance escrow (3 months)$650.00
Property tax escrow (3 months)$2,187.50
Prepaid interest, first (2 days)$70.81
Prepaid interest, second (2 days)$197.89

Prepaids include a year of home insurance up front, three months of taxes and insurance in escrow, and 2 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 closing21 yr 6 moOf the original 30-year loan at 4.030%
Interest already paid$122,181Through Nov 2026
Assumption only · ends May 2048$201,370
Assumption + second · ends May 2048, second Dec 2056$937,223
New conventional · ends Dec 2056$1,193,017