Compare the three ways to buy

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

Cash to Close
Assumption

Assumption only

$1,679/mo
Lowest payment
Down payment
$554,513
Funds due
$569,376
Interest + MI left
$52,242
First ends
May 2042
Assumption

Assumption + second

$5,168/mo
+$3,489/mo
Down payment
$67,513
Funds due
$83,729
Interest + MI left
$821,256
First ends
May 2042
New loan

New conventional

$5,017/mo
+$3,338/mo
Down payment
$67,513
Funds due
$80,010
Interest + MI left
$913,712
First ends
Dec 2056

Monthly payment

The initial total housing payment for each option.

Assumption onlyAssumption + secondNew conventional
First mortgage$115,487$115,487$602,487
Second mortgage—$487,000—
First P&I$829.49$829.49$4,171.50
Second P&I—$3,488.93—
Mortgage insurance$124.27$124.27$120.50
Taxes, insurance & HOA$725.00$725.00$725.00
Total housing payment$1,678.76$5,167.69$5,017.00

Cash to close

Down payment, closing costs and prepaids, then credits.

Down payment$67,513
Closing costs & prepaids$16,216
Usable credit−$0
Total buyer cash needed$83,729
Earnest money paid−$0
Remaining funds due$83,729
Assumption fee$1,800.00
Credit report$250.00
UMe assumption specialist (1%)$6,700.00
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)$1,675.00
Prepaid interest, first (1 days)$12.40
Prepaid interest, second (1 days)$103.40

Prepaids include a year of home insurance up front, three months of taxes and insurance in escrow, and 1 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 6 moOf the original 30-year loan at 3.920%
Interest already paid$84,381Through Nov 2026
Assumption only · ends May 2042$52,242
Assumption + second · ends May 2042, second Dec 2056$821,256
New conventional · ends Dec 2056$913,712