Compare the three ways to buy

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

Cash to Close
Assumption

Assumption only

$3,787/mo
+$228/mo
Down payment
$25,524
Funds due
$37,603
Interest + MI left
$639,454
First ends
May 2054
New loan

New conventional

$3,559/mo
Lowest payment
Down payment
$50,500
Funds due
$60,275
Interest + MI left
$689,280
First ends
Dec 2056

Monthly payment

The initial total housing payment for each option.

Assumption onlyNew conventional
First mortgage$479,476$454,500
Second mortgage——
First P&I$3,240.16$3,146.87
Second P&I——
Mortgage insurance$225.95$90.90
Taxes, insurance & HOA$321.08$321.08
Total housing payment$3,787.19$3,558.85

Cash to close

Down payment, closing costs and prepaids, then credits.

Down payment$25,524
Closing costs & prepaids$12,079
Usable credit−$0
Total buyer cash needed$37,603
Earnest money paid−$0
Remaining funds due$37,603
Assumption fee$1,800.00
Credit report$250.00
UMe assumption specialist (1%)$5,050.00
Title & settlement$1,825.00
Recording fee$100.00
Home insurance (12 months up front)$2,000.00
Insurance escrow (3 months)$500.00
Property tax escrow (3 months)$463.25
Prepaid interest, first (1 days)$90.38

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 closing27 yr 6 moOf the original 30-year loan at 6.880%
Interest already paid$83,703Through Nov 2026
Assumption only · ends May 2054$639,454
New conventional · ends Dec 2056$689,280