Compare the three ways to buy

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

Cash to Close
Assumption

Assumption only

$4,212/mo
+$270/mo
Down payment
$20,355
Funds due
$33,271
Interest + MI left
$665,230
First ends
Sep 2053
New loan

New conventional

$3,942/mo
Lowest payment
Down payment
$55,000
Funds due
$65,573
Interest + MI left
$750,701
First ends
Dec 2056

Monthly payment

The initial total housing payment for each option.

Assumption onlyNew conventional
First mortgage$529,645$495,000
Second mortgage——
First P&I$3,544.46$3,427.28
Second P&I——
Mortgage insurance$252.02$99.00
Taxes, insurance & HOA$415.83$415.83
Total housing payment$4,212.31$3,942.11

Cash to close

Down payment, closing costs and prepaids, then credits.

Down payment$20,355
Closing costs & prepaids$12,917
Usable credit−$0
Total buyer cash needed$33,271
Earnest money paid−$0
Remaining funds due$33,271
Assumption fee$1,800.00
Credit report$250.00
UMe assumption specialist (1%)$5,500.00
Title & settlement$1,825.00
Recording fee$100.00
Home insurance (12 months up front)$2,000.00
Insurance escrow (3 months)$500.00
Property tax escrow (3 months)$747.50
Prepaid interest, first (2 days)$194.15

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 closing26 yr 10 moOf the original 30-year loan at 6.690%
Interest already paid$114,478Through Nov 2026
Assumption only · ends Sep 2053$665,230
New conventional · ends Dec 2056$750,701