Compare the three ways to buy

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

Cash to Close
Assumption

Assumption only

$4,275/mo
+$740/mo
Down payment
$0
Funds due
$12,484
Interest + MI left
$736,077
First ends
Sep 2055
New loan

New conventional

$3,535/mo
Lowest payment
Down payment
$46,500
Funds due
$56,692
Interest + MI left
$634,683
First ends
Dec 2056

Monthly payment

The initial total housing payment for each option.

Assumption onlyNew conventional
First mortgage$523,726$418,500
Second mortgage——
First P&I$3,477.85$2,897.61
Second P&I——
Mortgage insurance$243.02$83.70
Taxes, insurance & HOA$554.00$554.00
Total housing payment$4,274.87$3,535.31

Cash to close

Down payment, closing costs and prepaids, then credits.

Down payment$0
Closing costs & prepaids$12,484
Usable credit−$0
Total buyer cash needed$12,484
Earnest money paid−$0
Remaining funds due$12,484
Assumption fee$1,800.00
Credit report$250.00
UMe assumption specialist (1%)$4,650.00
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)$538.00
Initial HOA (3 months)$624.00
Prepaid interest, first (2 days)$196.86

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 closing28 yr 10 moOf the original 30-year loan at 6.860%
Interest already paid$42,197Through Nov 2026
Assumption only · ends Sep 2055$736,077
New conventional · ends Dec 2056$634,683