Compare the three ways to buy

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

Cash to Close
Assumption

Assumption only

$1,115/mo
Lowest payment
Down payment
$400,615
Funds due
$412,979
Interest + MI left
$30,460
First ends
Sep 2042
Assumption

Assumption + second

$3,644/mo
+$2,529/mo
Down payment
$47,615
Funds due
$61,379
Interest + MI left
$587,876
First ends
Sep 2042
New loan

New conventional

$3,567/mo
+$2,452/mo
Down payment
$47,615
Funds due
$57,860
Interest + MI left
$640,491
First ends
Dec 2056

Monthly payment

The initial total housing payment for each option.

Assumption onlyAssumption + secondNew conventional
First mortgage$69,385$69,385$422,385
Second mortgage—$353,000—
First P&I$482.39$482.39$2,924.51
Second P&I—$2,528.94—
Mortgage insurance$74.42$74.42$84.48
Taxes, insurance & HOA$558.33$558.33$558.33
Total housing payment$1,115.14$3,644.08$3,567.32

Cash to close

Down payment, closing costs and prepaids, then credits.

Down payment$47,615
Closing costs & prepaids$13,764
Usable credit−$0
Total buyer cash needed$61,379
Earnest money paid−$0
Remaining funds due$61,379
Assumption fee$1,800.00
Credit report$250.00
UMe assumption specialist (1%)$4,700.00
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)$1,175.00
Prepaid interest, first (2 days)$13.99
Prepaid interest, second (2 days)$149.90

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 closing15 yr 10 moOf the original 30-year loan at 3.680%
Interest already paid$46,330Through Nov 2026
Assumption only · ends Sep 2042$30,460
Assumption + second · ends Sep 2042, second Dec 2056$587,876
New conventional · ends Dec 2056$640,491