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Seabrook, Harris County, Texas Property Taxes

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Property Taxes in Seabrook, Texas

  • Median Seabrook, Texas effective property tax rate: 1.36%, significantly higher than the national median of 1.02%, and lower than the Texas state median of 1.48%.

  • Median Seabrook, Texas home value: $357,929

  • Median annual Seabrook, Texas tax bill: $4,573, $2,173 higher than the national median property tax bill of $2,400.

How are property taxes in Harris calculated?

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

Last Updated April 13, 2026

Seabrook, Harris County, Texas Property Tax Bill Calculator

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

1.36%

Estimate Property Tax Bill

$4,868

$4,517

SAVE WITH OWNWELL

$774

Average Annual Tax Savings

How Does the Seabrook Property Tax Calculator Work?

Use this Seabrook property tax calculator to estimate your annual tax bill. Enter your property's assessed value and our calculator applies Seabrook's median effective tax rate of 1.36% — 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 Seabrook'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 Seabrook: rates range from 1.36% in 77586 to 1.36% in 77586, primarily due to differences in school district levies and local assessment districts. Seabrook's median effective tax rate is higher than the Texas median tax rate of 1.48%, and the median tax bill of $4,573 is $2,173 higher than the state median tax bill.

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

About Seabrook Property Taxes

About Property Taxes in Seabrook, Harris, Texas

Seabrook’s median effective property tax rate of 1.36% is lower than the Texas state median of 1.48% and higher than the national median of 1.02%. This rate 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 Seabrook. Homeowners in the 77586 ZIP code carry a median effective rate of 1.36%, while those in the 77586 pay 1.36%. This spread — 0 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Harris County. Understanding which part of Seabrook you live in can make a meaningful difference to your annual tax bill.

Seabrook 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 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 Seabrook, 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 Seabrook'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 Seabrook, 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 Seabrook Tax Rate

1.36%

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 Seabrook, Harris County, Texas

Zip10th Percentile25th PercentileMedian Tax Rate75th Percentile90th Percentile
775860.35%0.86%1.36%1.75%1.97%

Source: Ownwell

Property Tax Assessment Values Across Seabrook, Harris County, Texas

When examining property taxes in Seabrook, 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 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 Seabrook.

For example, the median home price in Seabrook is $357,929, with tax bills ranging significantly across the county. 77586 has the highest median home price at $357,929.

Property Tax Assessment Values Across Seabrook, Harris County, Texas

Source: Ownwell

$44,400

$699,145

$1,353,890

Median Seabrook Market Value

$357,929

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 Seabrook, Harris County, Texas

Zip10th Percentile25th PercentileMedian Home Price75th Percentile90th Percentile
77586$181,857$259,700$357,929$444,302$601,577

Source: Ownwell

Property Tax Bills Across Seabrook, Harris County, Texas

Property tax bills in Seabrook are calculated by multiplying a home’s assessed value by the local tax rate, then applying any exemptions that may reduce the taxable amount. For homeowners in Harris County, that means the market value of the property and local taxing jurisdictions both play a role in the final bill. With a median home price of $357,929, property taxes can be a major expense, especially when assessed values rise faster than the market.

Seabrook homeowners often face tax bills that vary widely, with the 25th percentile at $2,343 and the 75th percentile at $6,476. The 90th percentile reaches $8,937, which is well above the national median property tax bill of $2,400. Ownwell can help by reviewing your assessment, identifying possible savings opportunities, and filing appeals to reduce your property tax bill. For many homeowners, that can mean lower annual costs and a better chance of keeping taxes aligned with the true market value of the home.

Property Tax Bills Across Seabrook, Harris County, Texas

Source: Ownwell

$785

$8,987

$17,188

Median Seabrook Tax Bill

$4,573

Median Harris County Tax Bill

$3,916

Median Texas Tax Bill

$3,441

Median United States Tax Bill

$2,400

Property Tax Bills Across Seabrook, Harris County, Texas

Zip10th Percentile25th PercentileMedian Tax Bill75th Percentile90th Percentile
77586$1,027$2,343$4,573$6,476$8,937

Source: Ownwell

Don't miss the deadline to protest!

Frequently Asked Property Tax Questions in Seabrook, Texas

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