Castroville, Medina County, Texas Property Taxes

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Property Taxes in Castroville, Texas

Median Castroville, Texas effective property tax rate: 1.25%, significantly higher than the national median of 1.02%, and lower than the Texas state median of 1.48%.
Median Castroville, Texas home value: $243,680
Median annual Castroville, Texas tax bill: $2,466, $66 higher than the national median property tax bill of $2,400.

How are property taxes in Medina 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, Medina County, Texas Property Tax Bill Calculator

Property Assessed Value

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

1.25%

Estimate Property Tax Bill

$3,046

$2,827

How Does the Castroville Property Tax Calculator Work?

Use this Castroville property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Castroville's median effective tax rate of 1.25% — based on actual property records in Medina 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 1.25% in 78009 to 1.25% in 78009, primarily due to differences in school district levies and local assessment districts.

For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Castroville.

About Castroville Property Taxes

About Property Taxes in Castroville, Medina, Texas

Castroville’s median effective property tax rate of 1.25% is higher than the Texas state median of 1.48% and higher than the national median of 1.02%. This rate reflects the Medina County base levy combined with local school district levies and Municipal Utility Districts that vary by subdivision throughout the city.

Property tax rates are not uniform across Castroville. Homeowners in ZIP code 78009 carry a median effective rate of 1.25%, while those in 78009 pay 1.25%. This spread reflects how school district boundaries and local assessment districts are drawn across Medina 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, Medina 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, Medina County, Texas

Source: Ownwell

0.47%

0.99%

1.51%

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

1.25%

Median Effective Medina County Tax Rate

1.10%

Median Effective Texas Tax Rate

1.48%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Castroville, Medina County, Texas

Zip	10th Percentile	25th Percentile	Median Tax Rate	75th Percentile	90th Percentile
78009	0.36%	0.60%	1.25%	1.83%	2.28%
78056	N/A	N/A	N/A	N/A	N/A

Source: Ownwell

Property Tax Assessment Values Across Castroville, Medina 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 Medina 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 Medina County, assessment notices are sent in April 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 $243,680, with tax bills ranging significantly across the county. 78009 has the highest median home price at $244,045.

Property Tax Assessment Values Across Castroville, Medina County, Texas

Source: Ownwell

$92,220

$280,903

$469,585

Median Castroville Market Value

$243,680

Median Medina County Market Value

$173,330

Median Texas Market Value

$258,851

Median United States Market Value

$235,294

Property Tax Assessment Values Across Castroville, Medina County, Texas

Zip	10th Percentile	25th Percentile	Median Home Price	75th Percentile	90th Percentile
78009	$37,720	$104,248	$244,045	$479,552	$678,654
78056	N/A	N/A	N/A	N/A	N/A

Source: Ownwell

Property Tax Bills Across Castroville, Medina County, Texas

Property tax bills in Castroville are based on the assessed value of a home and the tax rates set by local taxing authorities. For a home with a median market value of $243,680, the bill is calculated by applying those rates to the property’s assessed value, which can vary depending on exemptions and local levies.

In Castroville, the median property tax bill is $2,466, which is slightly above the national median property tax bill of $2,400 and close to the national median property tax rate of 1.02%. Bills can range widely, with the 25th percentile at $1,007 and the 75th percentile at $5,217, while the 90th percentile reaches $8,337.

For homeowners, this means property taxes can have a meaningful impact on annual housing costs. A higher assessed value or a higher local tax rate can increase the bill, making it important to understand how local assessments affect what you owe each year.

Property Tax Bills Across Castroville, Medina County, Texas

Source: Ownwell

$630

$2,175

$3,719

Median Castroville Tax Bill

$2,466

Median Medina County Tax Bill

$1,581

Median Texas Tax Bill

$3,441

Median United States Tax Bill

$2,400

Property Tax Bills Across Castroville, Medina County, Texas

Zip	10th Percentile	25th Percentile	Median Tax Bill	75th Percentile	90th Percentile
78009	$387	$1,007	$2,466	$5,218	$8,338
78056	N/A	N/A	N/A	N/A	N/A

Source: Ownwell

Don't miss the deadline to protest!

Dates
Appeal Deadline	June 1
Tax Bill
Issued	October 1
Due Date #1	November 30
Due Date #2	June 30

Links
Medina Appraisal District
Website	esearch.medinacad.org

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.