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
$588,975
Funds due
$602,460
Interest + MI left
$15,629
First ends
Jun 2045
Assumption

Assumption + second

$4,395/mo
+$3,768/mo
Down payment
$62,975
Funds due
$81,173
Interest + MI left
$846,227
First ends
Jun 2045
New loan

New conventional

$4,372/mo
+$3,745/mo
Down payment
$62,975
Funds due
$77,434
Interest + MI left
$844,503
First ends
Jan 2057

Monthly payment

The initial total housing payment for each option.

Assumption onlyAssumption + secondNew conventional
First mortgage$30,925$30,925$556,925
Second mortgage—$526,000—
First P&I$192.42$192.42$3,856.04
Second P&I—$3,768.33—
Mortgage insurance$29.65$29.65$111.38
Taxes, insurance & HOA$404.83$404.83$404.83
Total housing payment$626.91$4,395.23$4,372.25

Cash to close

Down payment, closing costs and prepaids, then credits.

Down payment$62,975
Closing costs & prepaids$18,198
Usable credit−$0
Total buyer cash needed$81,173
Earnest money paid−$0
Remaining funds due$81,173
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 (31 days)$96.92
Prepaid interest, second (31 days)$3,462.23

Prepaids include a year of home insurance up front, three months of taxes and insurance in escrow, and 31 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 6 moOf the original 30-year loan at 3.690%
Interest already paid$15,623Through Dec 2026
Assumption only · ends Jun 2045$15,629
Assumption + second · ends Jun 2045, second Jan 2057$846,227
New conventional · ends Jan 2057$844,503