Compare the three ways to buy

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

Cash to Close
Assumption

Assumption only

$1,224/mo
Lowest payment
Down payment
$365,519
Funds due
$376,939
Interest + MI left
$43,287
First ends
Jan 2040
Assumption

Assumption + second

$3,516/mo
+$2,293/mo
Down payment
$45,519
Funds due
$58,256
Interest + MI left
$548,594
First ends
Jan 2040
New loan

New conventional

$3,259/mo
+$2,035/mo
Down payment
$45,519
Funds due
$54,752
Interest + MI left
$613,342
First ends
Dec 2056

Monthly payment

The initial total housing payment for each option.

Assumption onlyAssumption + secondNew conventional
First mortgage$84,481$84,481$404,481
Second mortgage—$320,000—
First P&I$752.63$752.63$2,800.54
Second P&I—$2,292.52—
Mortgage insurance$93.89$93.89$80.90
Taxes, insurance & HOA$377.17$377.17$377.17
Total housing payment$1,223.69$3,516.21$3,258.61

Cash to close

Down payment, closing costs and prepaids, then credits.

Down payment$45,519
Closing costs & prepaids$12,737
Usable credit−$0
Total buyer cash needed$58,256
Earnest money paid−$0
Remaining funds due$58,256
Assumption fee$1,800.00
Credit report$250.00
UMe assumption specialist (1%)$4,500.00
Title & settlement$1,825.00
Recording fee$100.00
Second-loan charges$1,250.00
Home insurance (12 months up front)$1,800.00
Insurance escrow (3 months)$450.00
Property tax escrow (3 months)$647.75
Initial HOA (3 months)$33.75
Prepaid interest, first (1 days)$12.73
Prepaid interest, second (1 days)$67.95

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 2 moOf the original 30-year loan at 5.500%
Interest already paid$103,957Through Nov 2026
Assumption only · ends Jan 2040$43,287
Assumption + second · ends Jan 2040, second Dec 2056$548,594
New conventional · ends Dec 2056$613,342