Bexar County, TX Property Tax Calculator

Homeowners in Bexar County paid a median $4,429 a year in real estate tax on homes valued at a median $244,100. That is an effective rate of 1.814%, 0.23 percentage points above the 1.58% Texas average. The calculator below starts from those figures and lets you swap in the home you are actually considering.

Written and maintained by Chetan Mane · Methodology and sources · Data: ACS 2019-2023 5-year estimates, released December 2024

Effective rate
1.814%
median tax ÷ median value
Median tax paid
$4,429/yr
$369 a month
Median home value
$244,100
owner-occupied homes
Owner-occupied homes
437,637
15th largest of 30 counties covered

How to use this calculator

  • - The calculator opens with Bexar County's 1.814% effective rate and its $244,100 median home value already filled in.
  • - Replace the price with the home you are looking at; the tax is recomputed at this county's rate.
  • - Add your own interest rate, down payment, insurance quote and any HOA dues to see the full monthly payment.

Your mortgage details

Property taxes use your state’s average rate.

Property
Loan terms

$48,820.00 down

Loan term
Ongoing costs

Paying extra shortens the loan rather than lowering the payment.

Your payment breakdown appears here

Principal and interest, property tax, insurance, mortgage insurance and HOA — itemised.

What Bexar County property tax looks like

Among the 30 counties covered here, Bexar County has the 3rd highest effective rate and the 12th highest median bill. Every $100,000 of value carries about $1,814 of tax a year at this rate.

On a $400,000 purchase that comes to roughly $7,256 a year, or $605 a month. Priced at the Texas average rate instead, the same home would cost $78 a month less in tax.

The Bexar Appraisal District sets the value. Alongside the school district and city, Bexar adds levies for the University Health hospital district, the San Antonio River Authority and the Alamo Colleges district.

Parcel-level values and tax history are published by the Bexar Appraisal District.

Example monthly payment at the median home value

Borrowing $195,280 against a $244,100 Bexar County home (20% down, 6.5% for 30 years, illustrative rather than quoted) works out as follows.

Estimated monthly payment on a median-value Bexar County home
ComponentPer month
Principal and interest$1,234
Property tax$369
Homeowners insurance$150
Mortgage insurance (PMI)$0
Total$1,753

Property tax is 21.0% of the $1,753 total, so a lender escrowing it would set aside about $369 each month toward the Bexar County bill.

How reliable this figure is

For Bexar County the Census Bureau reports a 90% margin of error of ±$50 on the $4,429 median tax and ±$1,853 on the $244,100 median value, so the 1.814% rate is a county-wide average rather than the rate on any one bill.

These medians describe today's owners, not today's buyers. How Texas values and caps a home, including what resets on sale, is set out on the Texas page.

Counties with a similar rate

Also in Texas: Dallas County (1.680%), Harris County (1.718%), Tarrant County (1.772%).

Frequently asked questions

What is the property tax rate in Bexar County, TX?

The effective rate is 1.814%, which is the median real estate tax paid ($4,429) divided by the median home value ($244,100) in the Census Bureau's 2019-2023 estimates.

How much is property tax on a $400,000 home in Bexar County?

At this county's effective rate the figure is about $7,256 a year, or $605 a month. That is $78 a month more than the Texas average rate of 1.58% would give on the same price.

How much of a Bexar County monthly mortgage payment is property tax?

On a $244,100 home with 20% down at 6.5% over 30 years, property tax is about $369 of a $1,753 total monthly payment, or 21.0%.

Is property tax in Bexar County high compared with the rest of Texas?

Bexar County's 1.814% is 0.23 percentage points above the 1.58% Texas average, and its $4,429 median bill ranks 12th of the 30 counties covered here, with the rate ranking 3rd.

Source and method

Census American Community Survey, ACS 2019-2023 5-year estimates, released December 2024. For Bexar County: B25103 median tax $4,429, B25077 median value $244,100, B25003 437,637 owner-occupied homes. Formulas are on the methodology page; every result is an estimate, not a quote or tax advice.