San Patricio County CAD Property Tax Calendar and Deadlines 

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San Patricio County CAD Important Deadlines

  • January 1
    Date that determines taxable value and homestead status. Over-65 or disability property tax exemptions applications may be filed the year the applicant becomes 65 or meets the social security requirements for total disability. Property owners should understand the Texas Comptroller exemption guidelines for accurate filing.
  • January 31
    Last day to pay prior year property taxes without penalty and interest. If a deadline falls on a weekend or legal holiday, the last day to file is automatically extended to the next business day. The San Patricio County Appraisal District processes all payments and maintains official tax records.
  • April 15
    Rendition Deadline: Last day for business property owners to file renditions. Commercial entities must accurately report all business personal property to avoid penalties. Review the Texas Property Tax Code for specific rendition requirements and compliance standards.
  • April 30
    Last day to apply for many types of exemptions. Last day to apply for agricultural, timber or wildlife productivity appraisal. Homestead and disability exemption filings must be submitted by this date. Property owners seeking property tax reduction should submit all documentation before the deadline to ensure timely processing.
  • May 15
    Property Tax Protest Deadline-Deadline to file written protests to the appraisal review board (or by the 30th day after a notice of appraised value is mailed to the property owner, whichever is later). Homeowners disputing valuations should initiate a San Patricio County property tax protest before this critical cutoff date.
  • October
    Tax bills are usually mailed during this month. Property owners receive official statements detailing assessed values and payment amounts due. The San Patricio CAD coordinates billing distribution and maintains current account information for all taxable properties within the county boundaries.

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Major Texas Counties We Serve

We serve homeowners across 254 counties of Texas with residential property tax protest services. No matter your location, our team is ready to help you challenge unfair valuations. Let’s work together to lower your property tax burden. 

  • Harris County Courthouse with its large dome and historic columns surrounded by trees and city buildings, representing Harris County court records and legal services.
  • Clock tower of the historic Fort Bend County courthouse, a key landmark tied to the Fort Bend County tax office and property tax protest resources.
  • Historic Bexar County Courthouse with red sandstone towers and arches in downtown San Antonio, representing Bexar County and access to Bexar County court records.
  • Historic Brazoria County courthouse with its light stone façade, arched windows, and central entrance, representing Brazoria County and access to Brazoria County court records.
  • Aerial view of the modern Collin County courthouse surrounded by trees and suburban development, representing Collin County and access to Collin County court records
  • Historic Dallas County courthouse with its red sandstone architecture and tall clock tower, representing Dallas County and access to Dallas County court records and the Dallas County appraisal district.
  • Front view of the Denton County courthouse with its ornate stonework and clock tower, symbolizing Denton County and its appraisal district services.
  • Galveston County's historic courthouse, known for its beautiful stonework and turrets, standing as a key landmark in the county.
  • Travis County courthouse with its sleek, modern architectural style, representing Travis County’s legal and administrative center.
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  • The grand clock tower in Hidalgo County with its ornate stonework, symbolizing the county’s historical and cultural significance.
  • The Montgomery County courthouse with its grand clock tower, a prominent landmark representing Montgomery County and access to Montgomery County court records.
  • Williamson County courthouse with grand columns and detailed stonework, a historic landmark representing Williamson County and access to county court records.
  • Historic Cameron County courthouse with classical stone architecture, representing Cameron County and access to county court records and legal services.
  • Nueces County courthouse with its modern architectural design, featuring curved walls and large windows, representing Nueces County's legal services.
  • Historic Bell County courthouse with its grand clock tower and neoclassical architecture, representing Bell County and local government services.
  • Windmills in Lubbock County, showcasing rural heritage and the county's agricultural landscape, with several traditional windmills standing in a row.
  • Close-up of the clock tower in Jefferson County with its distinctive red brick architecture, symbolizing Jefferson County’s historical landmarks.
  • Close-up of the McLennan County courthouse with its ornate dome and sculptures, representing McLennan County’s historic architecture and legal center.
  • Brazos County courthouse with modern architectural design, featuring clean lines and prominent lettering, representing Brazos County's governmental and legal services.
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  • Aerial view of Orange County’s coastal landscape with palm trees and rocky shoreline, showcasing the scenic beauty and waterfront properties of the area.
  • Parker County courthouse with its distinctive clock tower and illuminated architecture at sunset, representing Parker County’s historical and governmental significance.
  • Potter County courthouse with modern, angular architecture featuring a triangular entrance, representing Potter County’s legal and governmental services.
  • Scenic view of Randall County’s unique geological formation, showcasing the distinctive rock spire amidst rugged terrain and colorful hills.
  • Tom Green County courthouse with grand neoclassical architecture and tall columns, representing Tom Green County’s legal and governmental center.
  • Taylor County courthouse with modern architecture, featuring the American and Texas flags in front, representing Taylor County's governmental services.
  • Victoria County courthouse clock tower with intricate stonework and large clock faces, representing Victoria County’s historic and governmental significance.
  • Walker County courthouse with brick exterior and large front balcony, representing Walker County’s historic architecture and government offices.
  • Aerial view of Wichita County with the city skyline, featuring the river and local landmarks.
  • Statue of Lady Justice in Anderson County, symbolizing fairness and the county's legal heritage.
  • Angelina County courthouse annex with modern architectural design, featuring large glass windows and the American flag, representing Angelina County’s government services.
  • Historic Victorian-style house in Aransas County, showcasing the county's rich architectural heritage.
  • The iconic Austin County courthouse with its large dome, representing Austin County’s government and legal services.
  • Historic cowboy scene in Bandera County, showcasing the county’s Western heritage and natural beauty.
  • Charming rural scene in Bastrop County with a country home and Texas flag, representing the county's small-town charm.
  • Bowie County courthouse with a prominent sword statue, symbolizing the county's history and legal services.
  • The grand Comal County courthouse with historic architecture, representing the county's legal and governmental importance.
  • Ector County courthouse with its unique geometric façade, representing Ector County’s modern architecture and government services.
  • Statue in Ellis County with colorful autumn trees in the background, representing Ellis County’s historical landmarks and public spaces.
  • Grayson County downtown with historic buildings, representing the county’s heritage and vibrant community.
  • Historic building in Gregg County, showcasing the county's architecture and rich history.
  • Guadalupe County courthouse with modern architecture, representing the county's governmental and legal services.
  • Henderson County courthouse with a beautiful dome and classic design, symbolizing the county’s legal authority and history.
  • Hays County courthouse with a grand dome and columns, showcasing neoclassical architecture and representing Hays County's legal and governmental center.
  • Hunt County courthouse with neoclassical architecture and grand staircases, representing Hunt County’s legal and governmental services.
  • Historic red-brick building in Kaufman County, showcasing classic small-town Texas architecture and the county’s heritage.
  • Johnson County courthouse with modern glass and angular design, representing the county’s innovation and civic development.
  • Matagorda County courthouse with clean modern architecture and open steps, symbolizing local governance and community services.
  • Downtown Midland County with fountains and city buildings, representing Midland County’s urban landscape and business district.
  • Webb County courthouse with historic architecture, featuring arched windows and a red-tiled roof, representing Webb County’s legal and governmental heritage.

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Frequently Asked Questions

The San Patricio County property tax calendar sets the key dates every homeowner and business owner needs — from the January 1 valuation date to the May 15 protest deadline. Missing a date can cost you money, so here’s the full year at a glance.

May 15, or 30 days after the San Patricio County Appraisal District mails your notice of appraised value — whichever is later. If that date falls on a weekend or holiday, it moves to the next business day.

You generally lose the right to protest that year’s appraised value, and it becomes final for your tax bill. Limited late-protest options exist — for example, if you never received your notice — but you shouldn’t rely on them. The safest move is to file by the deadline, or have Tax Cutter file for you.

Yes. April 30 is the standard deadline, but Texas lets you file a late homestead exemption for up to two years after the taxes became delinquent, and it can apply retroactively for those years. Filing is free and one-time.

April 15. Business owners can request an automatic extension to May 15 in writing. Missing the rendition deadline can trigger a penalty of 10% of the property’s taxes, so file on time.

San Patricio County property tax calendar — key deadlines from January to October