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Castroville, Bexar County, Texas Property Taxes

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Property Taxes in Castroville, Texas

  • Median Castroville, Texas effective property tax rate: 2.00%, significantly higher than the national median of 1.02%, and higher than the Texas state median of 1.48%.

  • Median Castroville, Texas home value: $148,190

  • Median annual Castroville, Texas tax bill: $1,639, $761 lower than the national median property tax bill of $2,400.

How are property taxes in Bexar calculated?

Property taxes in Castroville, Texas are calculated based on the tax assessed value, which is often lower than the actual market value due to property tax exemptions such as the homestead or senior exemption.

Understanding Castroville's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Castroville, knowing local tax details benefits homeowners and investors.

Last Updated April 13, 2026

Castroville, Bexar County, Texas Property Tax Bill Calculator

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

2%

Estimate Property Tax Bill

$2,964

$2,750

SAVE WITH OWNWELL

$774

Average Annual Tax Savings

How Does the Castroville Property Tax Calculator Work?

Use this Castroville property tax calculator to estimate your annual tax bill. Enter your property's assessed value and our calculator applies Castroville's median effective tax rate of 2.00% — based on actual property records in Bexar County — to generate your estimate.

Enter your property's estimated assessed value — the figure the local appraisal district uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Castroville's median effective rate across all local levies, providing a more accurate estimate than applying a single county millage rate.

Your bill may vary by ZIP code within Castroville: rates range from 2.00% in 78009 to 2.00% in 78009, primarily due to differences in school district levies and local assessment districts.

Castroville's median property tax bill is $1,639, which is higher than the Texas median tax rate of 1.48% and lower than the national median property tax bill of $2,400 by $761. If your estimate is higher than expected, Ownwell can appeal your Castroville assessment — you only pay if we save you money.

About Castroville Property Taxes

About Property Taxes in Castroville, Bexar, Texas

Castroville’s median effective property tax rate of 2.00% is higher than the Texas state median of 1.48% and higher than the national median of 1.02%. This rate reflects the Bexar County base levy combined with local school district levies and Municipal Utility Districts (MUDs) that vary by subdivision throughout the city.

Property tax rates are not uniform across Castroville. Homeowners in the 78009 ZIP code carry a median effective rate of 2.00%, while those in the same ZIP also pay 2.00%. This reflects how school district boundaries and local assessment districts are drawn across Bexar County. Understanding which part of Castroville you live in can make a meaningful difference to your annual tax bill.

Castroville homeowners who believe their assessed value is too high can file a formal appeal with the local Appraisal District before the May 15, 2026 deadline each year.

If your estimated bill above seems higher than expected, Ownwell can review your assessment and protest on your behalf. You only pay if we save you money.

Property Tax Rates Across Castroville, Bexar County, Texas

As noted earlier, local government entities set tax rates, which can vary widely within a state.

Why? Because annually, each county estimates its required budget to provide services and divides that by the total value of all taxable property within its jurisdiction. This calculation results in the property tax rate.

While there are votes and laws involved in setting tax rates and budgets, in a nutshell, this is the annual process.

Below, you can compare Castroville's effective property tax rate to other cities in Texas and the median property tax rates in Texas and the U.S.

Property Tax Rates Across Castroville, Bexar County, Texas

Source: Ownwell

1.11%

1.85%

2.58%

Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.

Median Effective Castroville Tax Rate

2.00%

Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.

Median Effective Bexar County Tax Rate

1.55%

Median Effective Texas Tax Rate

1.48%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Castroville, Bexar County, Texas

Zip10th Percentile25th PercentileMedian Tax Rate75th Percentile90th Percentile
780090.44%0.63%2.00%2.02%2.03%

Source: Ownwell

Property Tax Assessment Values Across Castroville, Bexar County, Texas

When examining property taxes in Castroville, Texas, understanding the distinction between "market value" and "assessed value" is crucial.

The market value is what a willing buyer would pay to a willing seller in an open and competitive market, often influenced by location, property condition, and economic market trends. The Bexar County appraisal district estimates the market value for tax purposes.

The assessed value is the market value minus any applicable exemptions or limits determined by local laws and offerings. The tax assessed value is the figure used to calculate your property taxes or the amount multiplied by your tax rate to get your tax bill.

Assessment notices:

In Bexar County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of April.

Each property owner receives an assessment notice that contains both the market value and assessed value, along with an estimate of your property tax bill. By providing insights into how assessed and market values are determined, this section helps property owners navigate their tax responsibilities and understand the valuation processes affecting their property taxes in Castroville.

For example, the median home price in Castroville is $148,190, with tax bills ranging significantly across the county. 78009 has the highest median home price at $148,190.

Property Tax Assessment Values Across Castroville, Bexar County, Texas

Source: Ownwell

$40,830

$742,065

$1,443,300

Median Castroville Market Value

$148,190

Median Bexar County Market Value

$260,000

Median Texas Market Value

$258,851

Median United States Market Value

$235,294

Property Tax Assessment Values Across Castroville, Bexar County, Texas

Zip10th Percentile25th PercentileMedian Home Price75th Percentile90th Percentile
78009$35,845$58,265$148,190$384,912$957,500

Source: Ownwell

Property Tax Bills Across Castroville, Bexar County, Texas

Property tax bills in Castroville are based on the assessed value of a home and the local tax rates set by taxing authorities. When a property’s assessed value rises, the tax bill can increase, even if the homeowner has not made any changes to the home. For homeowners in Bexar County, this means the amount owed can vary widely depending on the home’s market value and the exemptions applied.

The median home price in Castroville is $148,190, and the median tax bill is $1,639 in ZIP code 78009. That is below the national median property tax bill of $2,400, but some homeowners still pay much more, with the 75th percentile at $3,834 and the 90th percentile at $6,573. Ownwell helps homeowners save by reviewing assessments, identifying exemptions, and filing property tax appeals to lower overassessed bills.

Property Tax Bills Across Castroville, Bexar County, Texas

Source: Ownwell

$1,018

$14,733

$28,447

Median Castroville Tax Bill

$1,639

Median Bexar County Tax Bill

$3,910

Median Texas Tax Bill

$3,441

Median United States Tax Bill

$2,400

Property Tax Bills Across Castroville, Bexar County, Texas

Zip10th Percentile25th PercentileMedian Tax Bill75th Percentile90th Percentile
78009$651$764$1,639$3,834$6,573

Source: Ownwell

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Frequently Asked Property Tax Questions in Castroville, Texas

How are property taxes calculated in Castroville, Texas?
Property taxes in Castroville, Texas are calculated by multiplying your property's assessed value by the applicable tax rate set by local taxing authorities. The assessed value is determined by the county assessor and may differ from your property's market value depending on local assessment ratios and exemptions.
How do I appeal my property taxes in Castroville, Texas?
To appeal your property taxes in Castroville, Texas, you typically need to file a formal protest or appeal with your local appraisal district or assessor's office by the stated deadline. You'll need evidence such as comparable sales, a recent independent appraisal, or documentation of property condition issues. Ownwell can handle this entire process for you.
What property tax exemptions are available in Castroville, Texas?
Common property tax exemptions in Castroville, Texas include homestead exemptions for primary residences, senior citizen exemptions, veteran exemptions, and disability exemptions. Exemption amounts and eligibility requirements vary by county. Contact your local appraisal district or check Ownwell for details specific to your property.
When are property taxes due in Castroville, Texas?
Property tax deadlines in Castroville, Texas vary by county but typically include an assessment notice period in spring or early summer, followed by an appeal deadline, and a tax payment due date in the fall or winter. Check with your county assessor's office for specific dates in your area.
How can Ownwell help reduce my property taxes in Castroville, Texas?
Ownwell provides professional property tax appeal services in Castroville, Texas. Our team analyzes your assessment, gathers evidence, files all paperwork, and represents you at hearings — all with no upfront cost. You only pay a percentage of your savings if we successfully lower your tax bill.