Compare the three ways to buy

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

Cash to Close
Assumption

Assumption only

$601/mo
Lowest payment
Down payment
$499,075
Funds due
$511,514
Interest + MI left
$15,629
First ends
Jun 2045
Assumption

Assumption + second

$3,796/mo
+$3,195/mo
Down payment
$53,075
Funds due
$67,616
Interest + MI left
$719,900
First ends
Jun 2045
New loan

New conventional

$3,705/mo
+$3,104/mo
Down payment
$53,075
Funds due
$64,000
Interest + MI left
$697,343
First ends
Jan 2057

Monthly payment

The initial total housing payment for each option.

Assumption onlyAssumption + secondNew conventional
First mortgage$30,925$30,925$476,925
Second mortgage—$446,000—
First P&I$192.42$192.42$3,230.86
Second P&I—$3,195.20—
Mortgage insurance$29.65$29.65$95.38
Taxes, insurance & HOA$378.67$378.67$378.67
Total housing payment$600.74$3,795.94$3,704.91

Cash to close

Down payment, closing costs and prepaids, then credits.

Down payment$53,075
Closing costs & prepaids$14,541
Usable credit−$0
Total buyer cash needed$67,616
Earnest money paid−$0
Remaining funds due$67,616
Assumption fee$1,800.00
Credit report$250.00
UMe assumption specialist (1%)$5,300.00
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)$636.00
Prepaid interest, first (9 days)$28.14
Prepaid interest, second (9 days)$852.29

Prepaids include a year of home insurance up front, three months of taxes and insurance in escrow, and 9 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 3.69%
Interest already paid$15,623Through Dec 2026
Assumption only · ends Jun 2045$15,629
Assumption + second · ends Jun 2045, second Jan 2057$719,900
New conventional · ends Jan 2057$697,343