Compare the three ways to buy

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

Cash to Close
Assumption

Assumption only

$4,182/mo
Lowest payment
Down payment
$635,277
Funds due
$655,722
Interest + MI left
$229,657
First ends
Mar 2045
Assumption

Assumption + second

$7,979/mo
+$3,797/mo
Down payment
$105,277
Funds due
$127,197
Interest + MI left
$1,066,571
First ends
Mar 2045
New loan

New conventional

$7,822/mo
+$3,640/mo
Down payment
$105,277
Funds due
$123,157
Interest + MI left
$1,432,736
First ends
Dec 2056

Monthly payment

The initial total housing payment for each option.

Assumption onlyAssumption + secondNew conventional
First mortgage$414,723$414,723$944,723
Second mortgage—$530,000—
First P&I$2,697.57$2,697.57$6,541.07
Second P&I—$3,796.98—
Mortgage insurance$392.61$392.61$188.94
Taxes, insurance & HOA$1,091.67$1,091.67$1,091.67
Total housing payment$4,181.85$7,978.83$7,821.68

Cash to close

Down payment, closing costs and prepaids, then credits.

Down payment$105,277
Closing costs & prepaids$21,920
Usable credit−$0
Total buyer cash needed$127,197
Earnest money paid−$0
Remaining funds due$127,197
Assumption fee$1,800.00
Credit report$250.00
UMe assumption specialist (1%)$10,500.00
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)$2,625.00
Prepaid interest, first (2 days)$94.53
Prepaid interest, second (2 days)$225.07

Prepaids include a year of home insurance up front, three months of taxes and insurance in escrow, and 2 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 4 moOf the original 30-year loan at 4.160%
Interest already paid$238,109Through Nov 2026
Assumption only · ends Mar 2045$229,657
Assumption + second · ends Mar 2045, second Dec 2056$1,066,571
New conventional · ends Dec 2056$1,432,736