Compare the three ways to buy

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

Cash to Close
Assumption

Assumption only

$2,822/mo
Lowest payment
Down payment
$558,739
Funds due
$576,381
Interest + MI left
$138,227
First ends
Sep 2045
Assumption

Assumption + second

$6,225/mo
+$3,403/mo
Down payment
$83,739
Funds due
$102,833
Interest + MI left
$888,292
First ends
Sep 2045
New loan

New conventional

$6,217/mo
+$3,395/mo
Down payment
$83,739
Funds due
$98,991
Interest + MI left
$1,130,089
First ends
Dec 2056

Monthly payment

The initial total housing payment for each option.

Assumption onlyAssumption + secondNew conventional
First mortgage$270,261$270,261$745,261
Second mortgage—$475,000—
First P&I$1,658.11$1,658.11$5,160.04
Second P&I—$3,402.96—
Mortgage insurance$256.11$256.11$149.05
Taxes, insurance & HOA$907.50$907.50$907.50
Total housing payment$2,821.72$6,224.68$6,216.59

Cash to close

Down payment, closing costs and prepaids, then credits.

Down payment$83,739
Closing costs & prepaids$19,094
Usable credit−$0
Total buyer cash needed$102,833
Earnest money paid−$0
Remaining funds due$102,833
Assumption fee$1,800.00
Credit report$250.00
UMe assumption specialist (1%)$8,290.00
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)$2,072.50
Prepaid interest, first (2 days)$54.35
Prepaid interest, second (2 days)$201.71

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 closing18 yr 10 moOf the original 30-year loan at 3.670%
Interest already paid$130,879Through Nov 2026
Assumption only · ends Sep 2045$138,227
Assumption + second · ends Sep 2045, second Dec 2056$888,292
New conventional · ends Dec 2056$1,130,089