Compare the three ways to buy

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

Cash to Close
Assumption

Assumption only

$2,115/mo
Lowest payment
Down payment
$520,839
Funds due
$536,292
Interest + MI left
$46,590
First ends
Mar 2040
Assumption

Assumption + second

$5,382/mo
+$3,267/mo
Down payment
$64,839
Funds due
$81,639
Interest + MI left
$766,653
First ends
Mar 2040
New loan

New conventional

$5,115/mo
+$3,001/mo
Down payment
$64,839
Funds due
$77,948
Interest + MI left
$870,639
First ends
Dec 2056

Monthly payment

The initial total housing payment for each option.

Assumption onlyAssumption + secondNew conventional
First mortgage$118,161$118,161$574,161
Second mortgage—$456,000—
First P&I$947.10$947.10$3,975.37
Second P&I—$3,266.84—
Mortgage insurance$142.58$142.58$114.83
Taxes, insurance & HOA$1,025.25$1,025.25$1,025.25
Total housing payment$2,114.92$5,381.76$5,115.46

Cash to close

Down payment, closing costs and prepaids, then credits.

Down payment$64,839
Closing costs & prepaids$16,800
Usable credit−$0
Total buyer cash needed$81,639
Earnest money paid−$0
Remaining funds due$81,639
Assumption fee$1,800.00
Credit report$250.00
UMe assumption specialist (1%)$6,390.00
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)$2,446.75
Initial HOA (3 months)$129.00
Prepaid interest, first (1 days)$12.56
Prepaid interest, second (1 days)$96.82

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 closing13 yr 4 moOf the original 30-year loan at 3.880%
Interest already paid$106,294Through Nov 2026
Assumption only · ends Mar 2040$46,590
Assumption + second · ends Mar 2040, second Dec 2056$766,653
New conventional · ends Dec 2056$870,639