Compare the three ways to buy

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

Cash to Close
Assumption

Assumption only

$627/mo
Lowest payment
Down payment
$588,878
Funds due
$602,269
Interest + MI left
$15,742
First ends
Jun 2045
Assumption

Assumption + second

$4,395/mo
+$3,768/mo
Down payment
$62,878
Funds due
$77,631
Interest + MI left
$846,340
First ends
Jun 2045
New loan

New conventional

$4,373/mo
+$3,746/mo
Down payment
$62,878
Funds due
$73,951
Interest + MI left
$844,650
First ends
Dec 2056

Monthly payment

The initial total housing payment for each option.

Assumption onlyAssumption + secondNew conventional
First mortgage$31,022$31,022$557,022
Second mortgage—$526,000—
First P&I$192.42$192.42$3,856.71
Second P&I—$3,768.33—
Mortgage insurance$29.65$29.65$111.40
Taxes, insurance & HOA$404.83$404.83$404.83
Total housing payment$626.91$4,395.23$4,372.95

Cash to close

Down payment, closing costs and prepaids, then credits.

Down payment$62,878
Closing costs & prepaids$14,753
Usable credit−$0
Total buyer cash needed$77,631
Earnest money paid−$0
Remaining funds due$77,631
Assumption fee$1,800.00
Credit report$250.00
UMe assumption specialist (1%)$6,199.00
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)$714.50
Prepaid interest, first (1 days)$3.14
Prepaid interest, second (1 days)$111.68

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 closing18 yr 7 moOf the original 30-year loan at 3.690%
Interest already paid$15,527Through Nov 2026
Assumption only · ends Jun 2045$15,742
Assumption + second · ends Jun 2045, second Dec 2056$846,340
New conventional · ends Dec 2056$844,650