Compare the three ways to buy

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

Cash to Close
Assumption

Assumption only

$900/mo
Lowest payment
Down payment
$200,541
Funds due
$210,078
Interest + MI left
$47,855
First ends
Sep 2045
Assumption

Assumption + second

$2,155/mo
+$1,255/mo
Down payment
$29,541
Funds due
$40,665
Interest + MI left
$328,560
First ends
Sep 2045
New loan

New conventional

$2,068/mo
+$1,167/mo
Down payment
$29,541
Funds due
$37,354
Interest + MI left
$377,858
First ends
Jan 2057

Monthly payment

The initial total housing payment for each option.

Assumption onlyAssumption + secondNew conventional
First mortgage$87,459$87,459$258,459
Second mortgage—$171,000—
First P&I$553.14$553.14$1,750.89
Second P&I—$1,254.74—
Mortgage insurance$82.07$82.07$51.69
Taxes, insurance & HOA$265.17$265.17$265.17
Total housing payment$900.38$2,155.12$2,067.75

Cash to close

Down payment, closing costs and prepaids, then credits.

Down payment$29,541
Closing costs & prepaids$11,124
Usable credit−$0
Total buyer cash needed$40,665
Earnest money paid−$0
Remaining funds due$40,665
Assumption fee$1,800.00
Credit report$250.00
UMe assumption specialist (1%)$2,880.00
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)$345.50
Prepaid interest, first (9 days)$86.26
Prepaid interest, second (9 days)$337.32

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 4%
Interest already paid$46,271Through Dec 2026
Assumption only · ends Sep 2045$47,855
Assumption + second · ends Sep 2045, second Jan 2057$328,560
New conventional · ends Jan 2057$377,858