Compare the three ways to buy

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

Cash to Close
Assumption

Assumption only

$1,556/mo
Lowest payment
Down payment
$438,371
Funds due
$451,733
Interest + MI left
$50,416
First ends
Mar 2042
Assumption

Assumption + second

$4,300/mo
+$2,744/mo
Down payment
$55,371
Funds due
$70,064
Interest + MI left
$655,205
First ends
Mar 2042
New loan

New conventional

$4,149/mo
+$2,592/mo
Down payment
$55,371
Funds due
$66,468
Interest + MI left
$750,138
First ends
Dec 2056

Monthly payment

The initial total housing payment for each option.

Assumption onlyAssumption + secondNew conventional
First mortgage$111,629$111,629$494,629
Second mortgage—$383,000—
First P&I$810.37$810.37$3,424.71
Second P&I—$2,743.86—
Mortgage insurance$120.82$120.82$98.93
Taxes, insurance & HOA$625.00$625.00$625.00
Total housing payment$1,556.18$4,300.04$4,148.64

Cash to close

Down payment, closing costs and prepaids, then credits.

Down payment$55,371
Closing costs & prepaids$14,693
Usable credit−$0
Total buyer cash needed$70,064
Earnest money paid−$0
Remaining funds due$70,064
Assumption fee$1,800.00
Credit report$250.00
UMe assumption specialist (1%)$5,500.00
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)$1,375.00
Prepaid interest, first (1 days)$12.11
Prepaid interest, second (1 days)$81.32

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 closing15 yr 4 moOf the original 30-year loan at 3.960%
Interest already paid$83,691Through Nov 2026
Assumption only · ends Mar 2042$50,416
Assumption + second · ends Mar 2042, second Dec 2056$655,205
New conventional · ends Dec 2056$750,138