Compare the three ways to buy

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

Cash to Close
Assumption

Assumption only

$5,488/mo
Lowest payment
Down payment
$150,151
Funds due
$168,245
Interest + MI left
$380,210
First ends
May 2047
Assumption

Assumption + second

$6,091/mo
+$603/mo
Down payment
$75,151
Funds due
$94,532
Interest + MI left
$522,459
First ends
May 2047
New loan

New conventional

$6,096/mo
+$608/mo
Down payment
$75,151
Funds due
$90,825
Interest + MI left
$1,021,937
First ends
Dec 2056

Monthly payment

The initial total housing payment for each option.

Assumption onlyAssumption + secondNew conventional
First mortgage$598,849$598,849$673,849
Second mortgage—$75,000—
First P&I$3,667.00$3,667.00$4,665.59
Second P&I—$603.47—
Mortgage insurance$524.88$524.88$134.77
Taxes, insurance & HOA$1,295.83$1,295.83$1,295.83
Total housing payment$5,487.71$6,091.17$6,096.20

Cash to close

Down payment, closing costs and prepaids, then credits.

Down payment$75,151
Closing costs & prepaids$19,381
Usable credit−$0
Total buyer cash needed$94,532
Earnest money paid−$0
Remaining funds due$94,532
Assumption fee$1,800.00
Credit report$250.00
UMe assumption specialist (1%)$7,490.00
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)$1,872.50
Initial HOA (3 months)$1,365.00
Prepaid interest, first (2 days)$141.10
Prepaid interest, second (2 days)$36.99

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 closing20 yr 6 moOf the original 30-year loan at 4.300%
Interest already paid$275,886Through Nov 2026
Assumption only · ends May 2047$380,210
Assumption + second · ends May 2047, second Dec 2056$522,459
New conventional · ends Dec 2056$1,021,937