Buyers · Mortgage Calculator
Run the numbers before you fall for the house
Estimate what a home in South Texas could cost you each month: principal and interest, plus property tax and insurance if you add them. The calculator runs entirely in your browser, no login and no server, so your numbers never leave your screen.
Quick estimate
Your monthly payment, in about a minute
Fill in what you know. Everything except the home price is optional to start, but the estimate gets sharper with each field you add.
Your estimate will appear here
Enter the home price, down payment, rate, and term, then choose Calculate payment.
Estimated total monthly payment
- Loan amount
- Principal & interest
- Property tax
- Homeowners insurance
Estimates only, not a loan offer. Rates vary by lender.
How to read this number
A planning number, not a quote
The calculator divides your loan amount into equal monthly payments over the term you choose, and adds your tax and insurance estimates when you enter them. Here is what the result does, and does not, tell you.
What the payment includes
Principal and interest are the core of every payment. Add annual property tax and homeowners insurance estimates and the calculator spreads them across 12 months, so the total you see is a truer picture of the monthly cost.
Taxes and insurance vary by address
In Texas, property tax rates differ by county, city, and even subdivision, and flood insurance can change the picture near the coast. Your exact ZIP code and property set the real figures, so treat the total as a planning number.
When you want the exact number
A pre-approval from a lender turns this estimate into a firm budget. I am happy to connect you with lenders my clients trust, or start with a no-pressure call to talk through what you see here.
Ready to see the payment against real homes?
Read the buying guideReady when you are
See a payment you can live with? Let's find the house
Bring your number to the conversation and I will match it to the communities that fit.