Compare the three ways to buy

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

Cash to Close
Assumption

Assumption only

$1,702/mo
Lowest payment
Down payment
$392,929
Funds due
$406,845
Interest + MI left
$110,001
First ends
Sep 2048
Assumption

Assumption + second

$4,123/mo
+$2,421/mo
Down payment
$54,929
Funds due
$72,177
Interest + MI left
$643,732
First ends
Sep 2048
New loan

New conventional

$4,150/mo
+$2,448/mo
Down payment
$54,929
Funds due
$68,841
Interest + MI left
$749,292
First ends
Jan 2057

Monthly payment

The initial total housing payment for each option.

Assumption onlyAssumption + secondNew conventional
First mortgage$156,071$156,071$494,071
Second mortgage—$338,000—
First P&I$940.35$940.35$3,420.85
Second P&I—$2,421.47—
Mortgage insurance$131.15$131.15$98.81
Taxes, insurance & HOA$630.33$630.33$630.33
Total housing payment$1,701.83$4,123.31$4,150.00

Cash to close

Down payment, closing costs and prepaids, then credits.

Down payment$54,929
Closing costs & prepaids$17,248
Usable credit−$0
Total buyer cash needed$72,177
Earnest money paid−$0
Remaining funds due$72,177
Assumption fee$1,800.00
Credit report$250.00
UMe assumption specialist (1%)$5,490.00
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)$1,391.00
Prepaid interest, first (29 days)$560.49
Prepaid interest, second (29 days)$2,081.25

Prepaids include a year of home insurance up front, three months of taxes and insurance in escrow, and 29 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 closing21 yr 9 moOf the original 30-year loan at 4.520%
Interest already paid$64,012Through Dec 2026
Assumption only · ends Sep 2048$110,001
Assumption + second · ends Sep 2048, second Jan 2057$643,732
New conventional · ends Jan 2057$749,292