Portland, San Patricio County, Texas Property Taxes

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Property Taxes in Portland, Texas

Median Portland, Texas effective property tax rate: 1.67%, significantly higher than the national median of 1.02%, and higher than the Texas state median of 1.48%.
Median Portland, Texas home value: $254,523
Median annual Portland, Texas tax bill: $4,175, $1,775 higher than the national median property tax bill of $2,400.

How are property taxes in San Patricio calculated?

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

Last Updated April 13, 2026

Portland, San Patricio County, Texas Property Tax Bill Calculator

Property Assessed Value

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

1.67%

Estimate Property Tax Bill

$4,251

$3,944

How Does the Portland Property Tax Calculator Work?

Use this Portland property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Portland's median effective tax rate of 1.67% — based on actual property records in San Patricio 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 Portland'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 Portland: rates range from 1.67% in 78374 to 1.67% in 78374, 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 Portland.

About Portland Property Taxes

About Property Taxes in PORTLAND, San Patricio, Texas

PORTLAND’s median effective property tax rate of 1.67% is higher than the Texas state median of 1.48% and higher than the national median of 1.02%. This rate reflects the San Patricio County base levy combined with local school district levies and Municipal Utility Districts (MUDs) that vary by subdivision throughout the city.

Property tax rates are not uniform across PORTLAND. Homeowners in the 78374 ZIP code carry a median effective rate of 1.67%, while those in the same ZIP also pay 1.67%. This reflects how school district boundaries and local assessment districts are drawn across San Patricio County. Understanding which part of PORTLAND you live in can make a meaningful difference to your annual tax bill.

PORTLAND 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 Portland, San Patricio 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 Portland'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 Portland, San Patricio County, Texas

Source: Ownwell

0.60%

1.17%

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 Portland Tax Rate

1.67%

Median Effective San Patricio County Tax Rate

1.43%

Median Effective Texas Tax Rate

1.48%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Portland, San Patricio County, Texas

Zip	10th Percentile	25th Percentile	Median Tax Rate	75th Percentile	90th Percentile
78374	0.55%	1.20%	1.67%	2.24%	2.24%

Source: Ownwell

Property Tax Assessment Values Across Portland, San Patricio County, Texas

When examining property taxes in Portland, 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 San Patricio 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 San Patricio 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 Portland.

For example, the median home price in Portland is $254,523, with tax bills ranging significantly across the county. 78374 has the highest median home price at $254,523.

Property Tax Assessment Values Across Portland, San Patricio County, Texas

Source: Ownwell

$90,268

$172,396

$254,523

Median Portland Market Value

$254,523

Median San Patricio County Market Value

$176,657

Median Texas Market Value

$258,851

Median United States Market Value

$235,294

Property Tax Assessment Values Across Portland, San Patricio County, Texas

Zip	10th Percentile	25th Percentile	Median Home Price	75th Percentile	90th Percentile
78374	$155,300	$205,474	$254,523	$317,479	$406,753

Source: Ownwell

Property Tax Bills Across Portland, San Patricio County, Texas

Property tax bills in Portland are calculated by applying the local tax rate to a home’s assessed value, which is based on the property’s market value. For homeowners in San Patricio County, the median home price is $254,523, and that value helps determine the size of the tax bill. Local taxing authorities use the assessed value to fund services such as schools, roads, and public safety, so changes in market conditions can affect what a homeowner owes.

The typical bill can vary widely from one property to another. In Portland, the 25th percentile tax bill is $2,514, while the 75th percentile is $5,765 and the 90th percentile reaches $7,518. The median tax bill is $4,175, which is above the national median property tax bill of $2,400 and reflects how local assessments and tax rates can create a heavier burden for homeowners.

Property Tax Bills Across Portland, San Patricio County, Texas

Source: Ownwell

$601

$2,388

$4,175

Median Portland Tax Bill

$4,175

Median San Patricio County Tax Bill

$1,914

Median Texas Tax Bill

$3,441

Median United States Tax Bill

$2,400

Property Tax Bills Across Portland, San Patricio County, Texas

Zip	10th Percentile	25th Percentile	Median Tax Bill	75th Percentile	90th Percentile
78374	$1,178	$2,514	$4,175	$5,765	$7,518

Source: Ownwell

Don't miss the deadline to protest!

Dates
Appeal Deadline	May 15
Tax Bill
Issued	October 1
Due Date #1	November 30
Due Date #2	June 30

Links
San Patricio Appraisal District
Website	esearch.sanpatcad.org

Frequently Asked Property Tax Questions in Portland, Texas

How are property taxes calculated in Portland, Texas?

Property taxes in Portland, 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 Portland, Texas?

To appeal your property taxes in Portland, 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 Portland, Texas?

Common property tax exemptions in Portland, 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 Portland, Texas?

Property tax deadlines in Portland, 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 Portland, Texas?

Ownwell provides professional property tax appeal services in Portland, 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.