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Texas property taxes are a major expense for homeowners, landlords, and business owners. Yet many people never get a clear explanation of how their tax bill is actually calculated. 

The truth is, the process is much simpler than it looks. Once you understand the steps, you can better evaluate your appraisal and decide if you need to file a property tax appeal in Texas.

Here is the plain English guide on how property taxes are calculated in Texas.

It All Starts With One Simple Formula

Every property tax bill in Texas is based on this basic equation: 

Property Value × Tax Rate = Property Tax Bill.

Step 1: The Appraisal District Estimates Your Property Value

Each county in Texas has a local Appraisal District. Its job is to estimate the market value of every property as of January 1 each year. Market value means what the property would likely sell for on the open market.

Appraisal districts use mass appraisal methods, looking at::

  • Recent sales of similar properties
  • Size and square footage
  • Location
  • Age and condition
  • Income data for commercial properties
  • Any improvements or renovations

In the spring, property owners receive a Notice of Appraised Value showing the district’s estimate.

Step 2: Exemptions Reduce the Taxable Value

For residential properties, certain exemptions can reduce how much of the property is taxed.

Common exemptions include:

  • Homestead exemption (for your primary residence)
  • Over 65 property tax exemption Texas (additional savings for seniors)
  • Disability exemption
  • Veteran exemptions

How much does the homestead exemption save in Texas? 

This is one of the most common questions we hear. While the exact amount depends on your local tax rate, a homestead exemption generally lowers your taxable value by $100,000 for school district taxes.

For Example: 

  • Appraised value: $350,000
  • Homestead exemption: $100,000
  • Taxable value: $250,000

Taxes are calculated on the taxable value, not the full appraised value.

Commercial properties generally do not receive exemptions like homesteads, but they may benefit from other protections.

Step 3: The Homestead Cap for Residential Properties

If you have a homestead exemption, Texas law limits how much your taxable value can increase each year. This is called the 10% homestead cap. 

Your taxable value cannot increase by more than: 10% per year, plus the value of any new improvements.

Example:

  • Last year’s taxable value: $200,000
  • Maximum increase: $20,000
  • New capped value: $220,000

Even if the market value jumps to $260,000, your taxable value would still be capped at $220,000 for that year.

Step 4: The Circuit Breaker for Commercial Properties

Commercial and income-producing properties do not qualify for the homestead cap. However, Texas law now provides a similar protection known as the circuit breaker limitation.

This rule applies to certain non-homestead real property, including many commercial properties.

The circuit breaker limits how much the appraised value of qualifying commercial property can increase each year.

  • The appraised value increase is limited to 20% per year.
  • This cap applies to the appraised value, not just the taxable value.
  • It is designed to prevent sudden, extreme spikes in commercial property values.

Example:

  • Last year’s appraised value: $1,000,000
  • Maximum allowed increase (20%): $200,000
  • New capped value: $1,200,000

Even if the market value jumps to $1,500,000, the appraised value would be limited to $1,200,000 for that year.

This provision helps create more predictable tax bills for business owners and investors.

Step 5: Local Taxing Units Set the Tax Rate

Property taxes in Texas are local. That means your tax bill is made up of several different taxing entities.

Common taxing units include:

  • School district
  • City
  • County
  • Community college district
  • Special districts (MUDs, hospital districts, etc.)

Texas property tax rates by county vary significantly. While there is no state property tax, the average total rate usually hovers around 1.8% to 2.5% depending on where you live. 

Example:

  • School district: 1.05%
  • City: 0.55%
  • County: 0.40%

Total tax rate: 2.00%

Step 6: Your Final Property Tax Bill Is Calculated

Once the taxable value and total tax rate are known, the calculation is straightforward.

Example:

  • Taxable value: $300,000
  • Total tax rate: 2.00%

$300,000 × 0.02 = $6,000 annual property tax bill

Tax bills are typically mailed in October, and payment is due by January 31 of the following year.

Important Dates in the Texas Property Tax Process Deadline 2025

Property taxes follow the same general timeline each year:

  • January 1: Property value date
  • April–May: Appraisal notices mailed
  • May 15 (approx.): The typical Texas property tax protest deadline 2025.
  • October–November: Tax bills sent

January 31: Payment deadline

How to Lower Property Taxes in Texas

If you believe your property value is too high, you have the right to fight it. Learning how to lower property taxes in Texas often comes down to one action: Protesting your appraised value.

Appraisal districts use mass appraisal methods, which can sometimes lead to inaccurate values.

You may want to protest if:

  • Your value increased significantly
  • Comparable properties are valued lower
  • The property has condition or functional issues
  • Income or expense data does not support the value

Both residential and commercial property owners have the right to protest their appraisal each year.

The Bottom Line

Texas property taxes come down to three main factors:

  1. The appraised value of your property
  2. Any exemptions or caps that apply
  3. The tax rates set by local taxing units

Once you understand those pieces, the system becomes much easier to navigate—and challenge when necessary.

If your property value seems too high, you don’t have to handle the protest process alone. PropertyTaxes.Law can analyze your property value, gather supporting evidence, and represent you in the protest process. Even a small reduction in value can lead to meaningful savings on your annual tax bill. Please contact our team today at 832-919-8800 to see how we may be able to help.

Frequently Asked Questions (FAQ)

How much does a homestead exemption save in Texas?

The savings vary by tax rate, but the general homestead exemption currently lowers the taxable value of your home by $100,000 for school district taxes. This can result in hundreds or thousands of dollars in annual savings.

You qualify if you own the home and it is your principal residence on January 1st of the tax year. You must apply with your local county appraisal district to receive the benefit.

Because Texas has no state income tax, property taxes in Texas are generally higher than the national average to fund local services and schools. However, exemptions and caps help manage the cost.

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