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What Affects Your Mortgage Payment in San Antonio

March 7, 2026
Person reviewing mortgage payment breakdown on laptop

A common surprise for first-time homebuyers is discovering their monthly payment is higher than they expected. Understanding all the components of a mortgage payment upfront helps you budget accurately and avoid sticker shock at closing.

The Five Components of a Mortgage Payment (PITIA)

Most mortgage payments include some or all of these:

1. Principal

The portion of your payment that reduces your loan balance. In early years, this is a smaller slice of your payment.

2. Interest

The cost of borrowing. Your interest rate determines how much of each payment goes to interest vs. principal.

3. Property Taxes in San Antonio

Texas has no state income tax, which means property taxes carry more weight. In San Antonio and Bexar County, effective property tax rates typically range from 1.8% to 2.5% of assessed value annually. This can significantly impact your monthly escrow payment.

4. Homeowner's Insurance

Lenders require homeowner's insurance. In Texas, insurance rates have increased in recent years due to weather-related claims, particularly for hail and wind. Budget $150–$250+ per month depending on home value and coverage.

5. Mortgage Insurance (PMI or MIP)

  • Conventional loans: PMI is required if your down payment is below 20%, typically 0.5–1.5% of loan amount annually
  • FHA loans: Require both an upfront and annual mortgage insurance premium
  • VA loans: No monthly mortgage insurance — one of the program's biggest benefits

How to Lower Your Monthly Payment

  • Increase your down payment to reduce or eliminate PMI
  • Buy discount points to lower your interest rate
  • Choose a longer loan term (30 vs. 15 year)
  • Shop for lower insurance rates annually

Use Our Free Calculator

Use the Payment Calculator to estimate your payment, or schedule a call to get a more personalized breakdown.

mortgage paymentproperty taxesSan AntonioPITIhomeowners insurance

This article is for educational purposes only and is not a commitment to lend. Loan options, rates, and eligibility are subject to change and underwriting approval.

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Texas Complaint-Recovery Fund Notice: CONSUMERS WISHING TO FILE A COMPLAINT AGAINST A MORTGAGE BANKER OR A LICENSED MORTGAGE BANKER RESIDENTIAL MORTGAGE LOAN ORIGINATOR SHOULD COMPLETE AND SEND A COMPLAINT FORM TO THE TEXAS DEPARTMENT OF SAVINGS AND MORTGAGE LENDING, 2601 NORTH LAMAR, SUITE 201, AUSTIN, TEXAS 78705. COMPLAINT FORMS AND INSTRUCTIONS MAY BE OBTAINED FROM THE DEPARTMENT'S WEBSITE AT WWW.SML.TEXAS.GOV. A TOLL-FREE CONSUMER HOTLINE IS AVAILABLE AT 1-877-276-5550.

THE DEPARTMENT MAINTAINS A RECOVERY FUND TO MAKE PAYMENTS OF CERTAIN ACTUAL OUT OF POCKET DAMAGES SUSTAINED BY BORROWERS CAUSED BY ACTS OF LICENSED MORTGAGE BANKER RESIDENTIAL MORTGAGE LOAN ORIGINATORS. A WRITTEN APPLICATION FOR REIMBURSEMENT FROM THE RECOVERY FUND MUST BE FILED WITH AND INVESTIGATED BY THE DEPARTMENT PRIOR TO THE PAYMENT OF A CLAIM. FOR MORE INFORMATION ABOUT THE RECOVERY FUND, PLEASE CONSULT THE DEPARTMENT'S WEBSITE AT WWW.SML.TEXAS.GOV.

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