BLOCKBOOK

NYC Property Information

Property address
Street address
Borough

Mortgage Calculator

Monthly P&I (principal & interest) at today’s rates for your credit tier; taxes & fees excluded. Click a cell to load it.  *Includes mortgage insurance.  **First 10 years only — payment rises in year 11. A custom rate you type (as your spread vs. market) and any buydown apply across the grid.
Sale price
Down payment
%
Interest rate
%
Credit score
Property tax per month
Homeowner's insurance per month
PMI per month
HOA fees per month

Monthly payment breakdown

Based on your inputs

$2,392
/mo
  • Principal & interest
    $2,046.35
  • Property tax
    + $
  • Homeowner's insurance
    + $
  • PMI
    + $
  • HOA fees
    + $

Closing cost breakdown

One-time costs due at closing, on top of the down payment

Property type

Estimates using the same math as the buyer closing costs calculator — see it for assumptions and the condo vs co-op comparison.

Closing costs explained →

Amortization for mortgage

Amortization is paying off debt over time in equal installments. As the term of your mortgage loan progresses, a larger share of your payment goes toward paying down the principal until the loan is paid in full at the end of your term.

Loan amount
$340,000
Total interest paid
$396,685
Total cost of loan
$736,685
Payoff date
Feb 2056
Principal paid
Interest paid
Loan balance
As of March 2026
Principal paid
$336
Interest paid
$1,710
Loan balance
$339,664
Year Principal paid Interest paid Remaining balance