Compare the three ways to buy

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

Cash to Close
Assumption

Assumption only

$2,169/mo
Lowest payment
Down payment
$579,855
Funds due
$596,045
Interest + MI left
$81,555
First ends
Jan 2040
Assumption

Assumption + second

$5,780/mo
+$3,611/mo
Down payment
$75,855
Funds due
$96,399
Interest + MI left
$877,413
First ends
Jan 2040
New loan

New conventional

$5,290/mo
+$3,120/mo
Down payment
$75,855
Funds due
$92,781
Interest + MI left
$1,026,936
First ends
Jan 2057

Monthly payment

The initial total housing payment for each option.

Assumption onlyAssumption + secondNew conventional
First mortgage$173,145$173,145$677,145
Second mortgage—$504,000—
First P&I$1,504.82$1,504.82$4,688.42
Second P&I—$3,610.72—
Mortgage insurance$198.56$198.56$135.43
Taxes, insurance & HOA$466.00$466.00$466.00
Total housing payment$2,169.38$5,780.10$5,289.84

Cash to close

Down payment, closing costs and prepaids, then credits.

Down payment$75,855
Closing costs & prepaids$20,544
Usable credit−$0
Total buyer cash needed$96,399
Earnest money paid−$0
Remaining funds due$96,399
Assumption fee$1,800.00
Credit report$250.00
UMe assumption specialist (1%)$7,530.00
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)$748.00
Prepaid interest, first (29 days)$687.84
Prepaid interest, second (29 days)$3,103.40

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 closing13 yr 1 moOf the original 30-year loan at 5.000%
Interest already paid$198,304Through Dec 2026
Assumption only · ends Jan 2040$81,555
Assumption + second · ends Jan 2040, second Jan 2057$877,413
New conventional · ends Jan 2057$1,026,936