Compare the three ways to buy

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

Cash to Close
Assumption

Assumption only

$2,862/mo
Lowest payment
Down payment
$4,281,919
Funds due
$4,335,255
Interest + MI left
$104,427
First ends
Feb 2039
Assumption

Assumption + second

$30,308/mo
+$27,446/mo
Down payment
$450,919
Funds due
$507,132
Interest + MI left
$6,153,898
First ends
Feb 2039
New loan

New conventional

$29,410/mo
+$26,548/mo
Down payment
$450,919
Funds due
$499,522
Interest + MI left
$6,140,704
First ends
Dec 2056

Monthly payment

The initial total housing payment for each option.

Assumption onlyAssumption + secondNew conventional
First mortgage$218,081$218,081$4,049,081
Second mortgage—$3,831,000—
First P&I$2,042.28$2,042.28$28,035.02
Second P&I—$27,445.75—
Mortgage insurance$254.78$254.78$809.82
Taxes, insurance & HOA$565.08$565.08$565.08
Total housing payment$2,862.14$30,307.90$29,409.92

Cash to close

Down payment, closing costs and prepaids, then credits.

Down payment$450,919
Closing costs & prepaids$56,213
Usable credit−$0
Total buyer cash needed$507,132
Earnest money paid−$0
Remaining funds due$507,132
Assumption fee$1,800.00
Credit report$250.00
UMe assumption specialist (1%)$45,000.00
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)$1,045.25
Prepaid interest, first (2 days)$65.72
Prepaid interest, second (2 days)$1,626.86

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 closing12 yr 3 moOf the original 30-year loan at 5.500%
Interest already paid$293,396Through Nov 2026
Assumption only · ends Feb 2039$104,427
Assumption + second · ends Feb 2039, second Dec 2056$6,153,898
New conventional · ends Dec 2056$6,140,704