Compare the three ways to buy

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

Cash to Close
Assumption

Assumption only

$1,754/mo
Lowest payment
Down payment
$320,515
Funds due
$333,730
Interest + MI left
$114,755
First ends
Apr 2048
Assumption

Assumption + second

$3,689/mo
+$1,934/mo
Down payment
$50,515
Funds due
$66,700
Interest + MI left
$541,108
First ends
Apr 2048
New loan

New conventional

$3,744/mo
+$1,990/mo
Down payment
$50,515
Funds due
$63,546
Interest + MI left
$681,433
First ends
Jan 2057

Monthly payment

The initial total housing payment for each option.

Assumption onlyAssumption + secondNew conventional
First mortgage$179,385$179,385$449,385
Second mortgage—$270,000—
First P&I$1,057.23$1,057.23$3,111.45
Second P&I—$1,934.31—
Mortgage insurance$154.06$154.06$89.88
Taxes, insurance & HOA$543.08$543.08$543.08
Total housing payment$1,754.36$3,688.68$3,744.41

Cash to close

Down payment, closing costs and prepaids, then credits.

Down payment$50,515
Closing costs & prepaids$16,185
Usable credit−$0
Total buyer cash needed$66,700
Earnest money paid−$0
Remaining funds due$66,700
Assumption fee$1,800.00
Credit report$250.00
UMe assumption specialist (1%)$4,999.00
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)$994.25
Initial HOA (3 months)$135.00
Prepaid interest, first (30 days)$611.87
Prepaid interest, second (30 days)$1,719.86

Prepaids include a year of home insurance up front, three months of taxes and insurance in escrow, and 30 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 closing21 yr 4 moOf the original 30-year loan at 4.150%
Interest already paid$71,846Through Dec 2026
Assumption only · ends Apr 2048$114,755
Assumption + second · ends Apr 2048, second Jan 2057$541,108
New conventional · ends Jan 2057$681,433