Compare the three ways to buy

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

Cash to Close
Assumption

Assumption only

$1,575/mo
Lowest payment
Down payment
$497,337
Funds due
$511,391
Interest + MI left
$80,722
First ends
Sep 2045
Assumption

Assumption + second

$4,670/mo
+$3,095/mo
Down payment
$65,337
Funds due
$81,467
Interest + MI left
$762,886
First ends
Sep 2045
New loan

New conventional

$4,556/mo
+$2,981/mo
Down payment
$65,337
Funds due
$77,828
Interest + MI left
$854,874
First ends
Jan 2057

Monthly payment

The initial total housing payment for each option.

Assumption onlyAssumption + secondNew conventional
First mortgage$152,663$152,663$584,663
Second mortgage—$432,000—
First P&I$952.86$952.86$3,960.71
Second P&I—$3,094.90—
Mortgage insurance$144.15$144.15$116.93
Taxes, insurance & HOA$478.17$478.17$478.17
Total housing payment$1,575.18$4,670.08$4,555.81

Cash to close

Down payment, closing costs and prepaids, then credits.

Down payment$65,337
Closing costs & prepaids$16,130
Usable credit−$0
Total buyer cash needed$81,467
Earnest money paid−$0
Remaining funds due$81,467
Assumption fee$1,800.00
Credit report$250.00
UMe assumption specialist (1%)$6,500.00
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)$780.00
Initial HOA (3 months)$154.50
Prepaid interest, first (9 days)$144.55
Prepaid interest, second (9 days)$825.53

Prepaids include a year of home insurance up front, three months of taxes and insurance in escrow, and 9 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 9 moOf the original 30-year loan at 3.84%
Interest already paid$77,799Through Dec 2026
Assumption only · ends Sep 2045$80,722
Assumption + second · ends Sep 2045, second Jan 2057$762,886
New conventional · ends Jan 2057$854,874