Compare the three ways to buy

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

Cash to Close
Assumption

Assumption only

$1,360/mo
Lowest payment
Down payment
$313,508
Funds due
$324,952
Interest + MI left
$68,019
First ends
May 2045
Assumption

Assumption + second

$3,280/mo
+$1,920/mo
Down payment
$45,508
Funds due
$58,259
Interest + MI left
$491,214
First ends
May 2045
New loan

New conventional

$3,263/mo
+$1,903/mo
Down payment
$45,508
Funds due
$54,765
Interest + MI left
$611,842
First ends
Dec 2056

Monthly payment

The initial total housing payment for each option.

Assumption onlyAssumption + secondNew conventional
First mortgage$135,492$135,492$403,492
Second mortgage—$268,000—
First P&I$840.99$840.99$2,793.70
Second P&I—$1,919.98—
Mortgage insurance$130.06$130.06$80.70
Taxes, insurance & HOA$388.59$388.59$388.59
Total housing payment$1,359.63$3,279.62$3,262.98

Cash to close

Down payment, closing costs and prepaids, then credits.

Down payment$45,508
Closing costs & prepaids$12,751
Usable credit−$0
Total buyer cash needed$58,259
Earnest money paid−$0
Remaining funds due$58,259
Assumption fee$1,800.00
Credit report$250.00
UMe assumption specialist (1%)$4,490.00
Title & settlement$1,825.00
Recording fee$100.00
Second-loan charges$1,250.00
Home insurance (12 months up front)$1,800.00
Insurance escrow (3 months)$450.00
Property tax escrow (3 months)$530.75
Initial HOA (3 months)$185.01
Prepaid interest, first (1 days)$13.59
Prepaid interest, second (1 days)$56.90

Prepaids include a year of home insurance up front, three months of taxes and insurance in escrow, and 1 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 3.660%
Interest already paid$67,936Through Nov 2026
Assumption only · ends May 2045$68,019
Assumption + second · ends May 2045, second Dec 2056$491,214
New conventional · ends Dec 2056$611,842