Compare the three ways to buy

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

Cash to Close
Assumption

Assumption only

$1,045/mo
Lowest payment
Down payment
$451,117
Funds due
$462,934
Interest + MI left
$2,218
First ends
Aug 2029
Assumption

Assumption + second

$3,940/mo
+$2,894/mo
Down payment
$47,117
Funds due
$62,415
Interest + MI left
$640,168
First ends
Aug 2029
New loan

New conventional

$3,378/mo
+$2,333/mo
Down payment
$47,117
Funds due
$58,848
Interest + MI left
$641,331
First ends
Jan 2057

Monthly payment

The initial total housing payment for each option.

Assumption onlyAssumption + secondNew conventional
First mortgage$18,883$18,883$422,883
Second mortgage—$404,000—
First P&I$617.41$617.41$2,927.96
Second P&I—$2,894.31—
Mortgage insurance$61.94$61.94$84.58
Taxes, insurance & HOA$365.92$365.92$365.92
Total housing payment$1,045.27$3,939.57$3,378.45

Cash to close

Down payment, closing costs and prepaids, then credits.

Down payment$47,117
Closing costs & prepaids$15,298
Usable credit−$0
Total buyer cash needed$62,415
Earnest money paid−$0
Remaining funds due$62,415
Assumption fee$1,800.00
Credit report$250.00
UMe assumption specialist (1%)$4,700.00
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)$597.75
Prepaid interest, first (26 days)$44.66
Prepaid interest, second (26 days)$2,230.30

Prepaids include a year of home insurance up front, three months of taxes and insurance in escrow, and 26 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 closing2 yr 8 moOf the original 15-year loan at 3.320%
Interest already paid$22,817Through Dec 2026
Assumption only · ends Aug 2029$2,218
Assumption + second · ends Aug 2029, second Jan 2057$640,168
New conventional · ends Jan 2057$641,331