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Port Isabel, Cameron County, Texas Property Taxes

  • Median PORT ISABEL, TX effective property tax rate: 1.47%, significantly higher than the national median of 1.02%, but lower than the Texas state median of 1.67%.

  • Median PORT ISABEL, TX home value: $198,150

  • Median annual PORT ISABEL, TX tax bill: $2,530, $130 higher than the national median property tax bill of $2,400.

How are property taxes in Cameron calculated?

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

Last Updated March 1, 2025

Port Isabel, Cameron County, Texas Property Tax Bill Calculator

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

1.47%

Estimate Property Tax Bill

$2,913

$2,703

SAVE WITH OWNWELL

$1,102

Average Tax Savings

Ownwell’s Port Isabel Property Tax Bill Calculator empowers homeowners, real estate investors, and potential buyers to estimate their annual property taxes in Port Isabel with just two data points.

By entering your property's estimated assessed value, our calculator applies Port Isabel’s median effective tax rate to accurately estimate your property tax bill. Note that your property's assessed value — determined by Cameron County — reflects any exemptions you may have, ensuring a more precise calculation for your property tax obligations.

This insightful tool helps you understand potential tax liabilities and highlights how Ownwell can assist in reducing property taxes in Cameron County.

For those interested in more localized information, please scroll down to explore city-level trends!

Property Tax Rates Across Port Isabel, Cameron County, Texas

Local government entities set property tax rates, which can vary significantly within a state. Each year, counties estimate the budget needed to provide essential services and divide that by the total value of all taxable property within their jurisdiction. This calculation results in the property tax rate. While votes and laws play a role in setting these rates and budgets, this is essentially how the process works annually.

In Port Isabel, located in Cameron County, the effective property tax rate stands at 1.47%. This rate is notably higher than the national median property tax rate of 1.02%. When compared to other cities in Texas, Port Isabel's rate reflects the unique budgetary requirements and property values of the area. With the national median property tax bill at $2400, property owners in Port Isabel may find their tax bills to be relatively higher, influenced by the local tax rate. Understanding these differences is crucial for property owners seeking to manage their tax liabilities effectively.

Property Tax Rates Across Port Isabel, Cameron County, Texas

Source: Ownwell

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1.37%

1.85%

2.33%

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 Port Isabel Tax Rate

1.47%

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 Cameron County Tax Rate

1.63%

Median Effective Texas Tax Rate

1.67%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Port Isabel, Cameron County, Texas

Zip10th Percentile25th PercentileMedian Tax Rate75th Percentile90th Percentile
785781.08%1.44%1.47%2.16%2.16%

Source: Ownwell

Property Tax Assessment Values Across Port Isabel, Cameron County, Texas

When examining property taxes in Port Isabel, TX, 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 Cameron 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.

In Cameron 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 Port Isabel.

For example, the median home price in Port Isabel is $198,150, with tax bills ranging significantly across the county. 78578 has the highest median home price at $198,150.

Property Tax Assessment Values Across Port Isabel, Cameron County, Texas

Source: Ownwell

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$32,214

$231,031

$429,847

Median Port Isabel Market Value

$198,150

Median Cameron County Market Value

$166,385

Median Texas Market Value

$247,950

Median United States Market Value

$235,294

Property Tax Assessment Values Across Port Isabel, Cameron County, Texas

Zip10th Percentile25th PercentileMedian Home Price75th Percentile90th Percentile
78578$53,928$118,118$198,150$329,984$448,442

Source: Ownwell

Property Tax Bills Across Port Isabel, Cameron County, Texas

In Port Isabel, located in Cameron County, TX, property tax bills are calculated based on the assessed value of a home, which is determined by the local tax assessor. The assessed value is then multiplied by the local tax rate to determine the tax bill. With a median home price of $198,150, homeowners in Port Isabel face median tax bills that can vary significantly. The 25th percentile tax bill is $1,242, while the 75th percentile tax bill reaches $4,530, and the 90th percentile tax bill climbs to $6,823. These figures highlight the potential financial burden on homeowners, especially when compared to the national median property tax bill of $2,400. The highest and lowest median tax bills in the area are both $2,530, indicating uniformity within the zip code 78578. Ownwell can assist homeowners by providing expert property tax appeal services, potentially reducing their tax liabilities. By challenging assessed values and ensuring homeowners benefit from all eligible exemptions, Ownwell helps clients save money on their property tax bills.

Property Tax Bills Across Port Isabel, Cameron County, Texas

Source: Ownwell

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$294

$3,420

$6,546

Median Port Isabel Tax Bill

$2,530

Median Cameron County Tax Bill

$1,802

Median Texas Tax Bill

$3,971

Median United States Tax Bill

$2,400

Property Tax Bills Across Port Isabel, Cameron County, Texas

Zip10th Percentile25th PercentileMedian Tax Bill75th Percentile90th Percentile
78578$359$1,242$2,530$4,530$6,823

Source: Ownwell

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