Compare the three ways to buy

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

Cash to Close
Assumption

Assumption only

$3,737/mo
Lowest payment
Down payment
$478,072
Funds due
$497,948
Interest + MI left
$285,347
First ends
May 2049
Assumption

Assumption + second

$6,517/mo
+$2,780/mo
Down payment
$90,072
Funds due
$113,587
Interest + MI left
$898,031
First ends
May 2049
New loan

New conventional

$6,736/mo
+$3,000/mo
Down payment
$90,072
Funds due
$110,608
Interest + MI left
$1,228,310
First ends
Jan 2057

Monthly payment

The initial total housing payment for each option.

Assumption onlyAssumption + secondNew conventional
First mortgage$421,928$421,928$809,928
Second mortgage—$388,000—
First P&I$2,419.02$2,419.02$5,607.78
Second P&I—$2,779.68—
Mortgage insurance$351.23$351.23$161.99
Taxes, insurance & HOA$966.67$966.67$966.67
Total housing payment$3,736.92$6,516.60$6,736.43

Cash to close

Down payment, closing costs and prepaids, then credits.

Down payment$90,072
Closing costs & prepaids$23,515
Usable credit−$0
Total buyer cash needed$113,587
Earnest money paid−$0
Remaining funds due$113,587
Assumption fee$1,800.00
Credit report$250.00
UMe assumption specialist (1%)$9,000.00
Title & settlement$1,825.00
Recording fee$100.00
Second-loan charges$1,250.00
Home insurance (12 months up front)$2,600.00
Insurance escrow (3 months)$650.00
Property tax escrow (3 months)$2,250.00
Prepaid interest, first (29 days)$1,401.26
Prepaid interest, second (29 days)$2,389.12

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 closing22 yr 5 moOf the original 30-year loan at 4.180%
Interest already paid$146,206Through Dec 2026
Assumption only · ends May 2049$285,347
Assumption + second · ends May 2049, second Jan 2057$898,031
New conventional · ends Jan 2057$1,228,310