Don’t forget the taxman. Use this mortgage calculator with tax to accurately estimate your total monthly housing payment by including annual property taxes alongside your loan repayment.
Mortgage with Tax Calculator
Mortgage Calculator with Tax Formula
To find your total monthly housing expense including taxes, we combine the loan repayment with the monthly portion of your annual property tax bill:
Where P&I (Principal and Interest) is calculated using the standard amortization formula:
Variables
- P: Principal Loan Amount (Home Price – Down Payment).
- i: Monthly Interest Rate.
- n: Total Number of Months.
- Property Tax: Annual tax assessed by your local county or municipality.
Related Calculators
- Property Tax Estimator
- PITI Mortgage Calculator
- Home Affordability Calculator
- Escrow Account Calculator
What is Mortgage Calculator with Tax?
A mortgage calculator with tax is essential because the advertised “mortgage payment” often only includes principal and interest. However, in most cases, lenders require borrowers to pay 1/12th of their annual property taxes into an escrow account each month.
Property taxes can significantly impact affordability. For example, in states like New Jersey or Texas, property taxes can exceed 2% of the home’s value annually, adding hundreds of dollars to the monthly bill compared to states with lower tax rates like Hawaii or Alabama.
How to Calculate Mortgage with Tax (Example)
Imagine purchasing a $400,000 home with 20% down ($320,000 loan) at 6% interest for 30 years in a county with 1.5% property tax.
- Base Payment (P&I): ~$1,918.56.
- Annual Tax: $400,000 × 1.5% = $6,000.
- Monthly Tax: $6,000 / 12 = $500.
- Total Payment: $1,918.56 + $500 = $2,418.56.
Frequently Asked Questions (FAQ)
You can find the specific tax rate for a property on the local county assessor’s website or the MLS listing. If unsure, 1.1% is a common national average estimate to use.
Yes. Property taxes are usually reassessed annually or every few years based on the assessed value of your home and local government budget needs. Your monthly payment may adjust accordingly.
If you have an escrow account (common for loans with less than 20% down), yes, your lender collects the tax monthly. If you do not have escrow, you must save and pay the tax bill directly to the county yourself.
PITI stands for Principal, Interest, Taxes, and Insurance. This calculator calculates PITI if you fill in the optional Insurance field, but focuses primarily on showing the impact of Property Taxes on your monthly budget.