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Tomball, Harris County, Texas Property Taxes

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Property Taxes in Tomball, Texas

  • Median Tomball, Texas effective property tax rate: 1.73%, significantly higher than the national median of 1.02%, and higher than the Texas state median of 1.48%.

  • Median Tomball, Texas home value: $357,000

  • Median annual Tomball, Texas tax bill: $5,892, $3,492 higher than the national median property tax bill of $2,400.

How are property taxes in Harris calculated?

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

Last Updated April 13, 2026

Tomball, Harris County, Texas Property Tax Bill Calculator

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

1.73%

Estimate Property Tax Bill

$6,176

$5,731

SAVE WITH OWNWELL

$774

Average Annual Tax Savings

How Does the Tomball Property Tax Calculator Work?

Use this Tomball property tax calculator to estimate your annual tax bill. Enter your property's assessed value and our calculator applies Tomball's median effective tax rate of 1.73% — based on actual property records in Harris 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 Tomball'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 Tomball: rates range from $2,796.00 in 77447 to $6,251.00 in 77377, primarily due to differences in school district levies and local assessment districts.

If your estimate is higher than expected, Ownwell can appeal your Tomball assessment — you only pay if we save you money.

About Tomball Property Taxes

About Property Taxes in Tomball, Harris, Texas

Tomball’s median effective property tax rate of 1.73% is higher than the Texas state median of 1.48% and higher than the national median of 1.02%. The median property tax bill is $5,892, which is higher than the national median property tax bill of $2,400. This reflects the Harris 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 Tomball. Homeowners in the 77375 ZIP code carry a median effective rate of 1.74%, while those in 77447 pay 1.00%. This spread reflects how school district boundaries and local assessment districts are drawn across Harris County.

Tomball homeowners who believe their assessed value is too high can file a formal appeal with the local Appraisal District before the May 21, 2026 deadline each year.

If your estimated bill 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 Tomball, Harris 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 Tomball'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 Tomball, Harris County, Texas

Source: Ownwell

0.64%

1.55%

2.46%

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 Tomball Tax Rate

1.73%

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 Harris County Tax Rate

1.49%

Median Effective Texas Tax Rate

1.48%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Tomball, Harris County, Texas

Zip10th Percentile25th PercentileMedian Tax Rate75th Percentile90th Percentile
773750.67%1.39%1.74%2.09%2.40%
773770.52%1.22%1.70%2.03%2.47%
774470.18%0.41%1.00%1.84%1.84%
77379N/AN/AN/AN/AN/A
77433N/AN/AN/AN/AN/A

Source: Ownwell

Property Tax Assessment Values Across Tomball, Harris County, Texas

When examining property taxes in Tomball, 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 Harris 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 Harris 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. For example, the median home price in Tomball is $357,000, with tax bills ranging significantly across the county. 77377 has the highest median home price at $396,556.

Property Tax Assessment Values Across Tomball, Harris County, Texas

Source: Ownwell

$44,400

$699,145

$1,353,890

Median Tomball Market Value

$357,000

Median Harris County Market Value

$275,000

Median Texas Market Value

$258,851

Median United States Market Value

$235,294

Property Tax Assessment Values Across Tomball, Harris County, Texas

Zip10th Percentile25th PercentileMedian Home Price75th Percentile90th Percentile
77375$174,473$268,833$331,016$450,000$684,793
77377$199,143$309,182$396,556$492,884$641,635
77447$229,687$248,168$354,957$557,237$595,727
77379N/AN/AN/AN/AN/A
77433N/AN/AN/AN/AN/A

Source: Ownwell

Property Tax Bills Across Tomball, Harris County, Texas

Property tax bills in Tomball are based on the assessed value of a home and the local tax rates set by taxing authorities. For a typical home with a median home price of $357,000, the bill can vary widely depending on neighborhood, exemptions, and local levies. In Harris County, homeowners may see bills that fall between the 25th percentile of $3,523 and the 75th percentile of $8,729, with the 90th percentile reaching $12,264. That means two similar homes can have very different tax bills if their assessed values or exemptions differ.

Property taxes affect homeowners by increasing annual housing costs, especially when market values rise faster than exemptions or tax savings. The highest median tax bill is $6,251 in ZIP code 77377, while the lowest median tax bill is $2,796 in ZIP code 77447.

Ownwell helps homeowners lower property tax bills by reviewing assessments, identifying savings opportunities, and filing appeals when a home is overassessed.

Property Tax Bills Across Tomball, Harris County, Texas

Source: Ownwell

$785

$8,987

$17,188

Median Tomball Tax Bill

$5,892

Median Harris County Tax Bill

$3,916

Median Texas Tax Bill

$3,441

Median United States Tax Bill

$2,400

Property Tax Bills Across Tomball, Harris County, Texas

Zip10th Percentile25th PercentileMedian Tax Bill75th Percentile90th Percentile
77375$1,061$3,589$5,674$8,411$12,228
77377$1,115$3,410$6,251$9,099$12,311
77447$598$1,759$2,796$6,677$14,626
77379N/AN/AN/AN/AN/A
77433N/AN/AN/AN/AN/A

Source: Ownwell

Don't miss the deadline to protest!

Frequently Asked Property Tax Questions in Tomball, Texas

How are property taxes calculated in Tomball, Texas?
Property taxes in Tomball, 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 Tomball, Texas?
To appeal your property taxes in Tomball, 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 Tomball, Texas?
Common property tax exemptions in Tomball, 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 Tomball, Texas?
Property tax deadlines in Tomball, 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 Tomball, Texas?
Ownwell provides professional property tax appeal services in Tomball, 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.