Compare the three ways to buy

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

Cash to Close
Assumption

Assumption only

$1,948/mo
Lowest payment
Down payment
$420,929
Funds due
$434,639
Interest + MI left
$69,615
First ends
Feb 2042
Assumption

Assumption + second

$4,549/mo
+$2,601/mo
Down payment
$57,929
Funds due
$72,966
Interest + MI left
$642,823
First ends
Feb 2042
New loan

New conventional

$4,339/mo
+$2,391/mo
Down payment
$57,929
Funds due
$69,348
Interest + MI left
$784,021
First ends
Dec 2056

Monthly payment

The initial total housing payment for each option.

Assumption onlyAssumption + secondNew conventional
First mortgage$153,971$153,971$516,971
Second mortgage—$363,000—
First P&I$1,124.51$1,124.51$3,579.40
Second P&I—$2,600.58—
Mortgage insurance$167.04$167.04$103.39
Taxes, insurance & HOA$656.42$656.42$656.42
Total housing payment$1,947.96$4,548.54$4,339.21

Cash to close

Down payment, closing costs and prepaids, then credits.

Down payment$57,929
Closing costs & prepaids$15,037
Usable credit−$0
Total buyer cash needed$72,966
Earnest money paid−$0
Remaining funds due$72,966
Assumption fee$1,800.00
Credit report$250.00
UMe assumption specialist (1%)$5,749.00
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)$1,124.25
Initial HOA (3 months)$345.00
Prepaid interest, first (1 days)$16.83
Prepaid interest, second (1 days)$77.08

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 closing15 yr 3 moOf the original 30-year loan at 3.990%
Interest already paid$117,184Through Nov 2026
Assumption only · ends Feb 2042$69,615
Assumption + second · ends Feb 2042, second Dec 2056$642,823
New conventional · ends Dec 2056$784,021