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Updated 2025 Tax Year

Atascosa County
Property Tax Guide

Everything you need to know about property taxes in Atascosa County, TX. Rates, due dates, exemptions, and how it affects your monthly payment.

10 Official Sources
8 min read
Quick Facts
Tax Rate
2.0% to 2.8% of assessed value, varies by location and overlapping jurisdictions
1st Due
Jan 31
Exemptions
5+ Available
Section 1

How Property Tax Works

Atascosa County, Texas operates under the state's property tax system, which serves as the primary funding mechanism for local government services including schools, county operations, emergency services, and infrastructure maintenance. Property taxes in Atascosa County are administered by the county tax assessor-collector's office, located at 1020 Bensdale Dr., Pleasanton, TX 78064. The county follows Texas Property Tax Code guidelines, with assessments based on market value as of January 1st each year.

Effective property tax rates in Atascosa County typically range from approximately 2.0% to 2.8% of assessed value, depending on your specific location within the county. This variation occurs because property owners pay taxes to multiple overlapping jurisdictions - including the county, school districts, cities (if applicable), and various special districts such as hospital districts, water districts, or municipal utility districts. The combination of these different taxing entities determines your total property tax bill.

Section 2

What Makes Up Your Tax Bill

ComponentRate (per $100 valuation)DescriptionFiscal Year
County General$0.383761County operations, roads, law enforcementFY 2025
School DistrictVaries by districtLocal school district operations and debt serviceFY 2025-2026
City/MunicipalityVaries by cityCity services (if within city limits)FY 2025-2026
Hospital DistrictVaries by districtLocal hospital and healthcare servicesFY 2025-2026
Special DistrictsVaries by districtWater, MUD, emergency services districtsFY 2025-2026

Note: The county rate shown reflects the 2025 adopted budget. School district rates, city rates, and special district rates vary significantly by location within Atascosa County. Your actual combined tax rate depends on which taxing jurisdictions serve your specific property address. Contact the Atascosa County Tax Office for your property's complete rate breakdown.

Section 3

When Are Property Taxes Due?

For the 2025/2026 tax year in Atascosa County, property taxes are due in two installments:

First Installment
Jan 31
Delinquent after Dec 10
Pro tip: If you pay through mortgage escrow, your lender splits these payments across your monthly mortgage. If you pay directly, set calendar reminders to avoid late penalties.
Section 4

Supplemental Tax Bills

Supplemental taxes in Atascosa County are additional property tax assessments that occur when there are mid-year changes to property ownership, value, or use. The most common triggers include new construction completion, property improvements that increase value, changes in property use (such as converting agricultural land to residential), or correction of assessment errors. These supplemental bills are prorated based on the number of months remaining in the tax year.

For example, if you complete a $50,000 home addition in June, and your total tax rate is 2.5%, the supplemental tax would be calculated as: ($50,000 ÷ 100) × $2.50 × (7 months remaining ÷ 12 months) = $729.17. This supplemental amount would be billed separately from your regular annual property tax bill and would typically be due within 30 days of the supplemental bill date.

Example Calculation

Example 1: $300,000 Home with Homestead

  • Market Value: $300,000
  • General Homestead Exemption: -$25,000
  • School District Homestead Exemption: -$100,000
  • Net Taxable Value: $175,000
  • Estimated Tax Rate: 2.3%
  • Annual Tax: $4,025
  • Monthly (if escrowed): $335

Example 2: $600,000 Home with Homestead and Over-65

  • Market Value: $600,000
  • General Homestead Exemption: -$25,000
  • School District Homestead Exemption: -$100,000
  • Over-65 Additional Exemption: -$10,000
  • Net Taxable Value: $465,000
  • Estimated Tax Rate: 2.3%
  • Annual Tax: $10,695
  • Monthly (if escrowed): $891

Example 3: $1,000,000 Home with Homestead

  • Market Value: $1,000,000
  • General Homestead Exemption: -$25,000
  • School District Homestead Exemption: -$100,000
  • Net Taxable Value: $875,000
  • Estimated Tax Rate: 2.3%
  • Annual Tax: $20,125
  • Monthly (if escrowed): $1,677

Note: All exemptions require application and approval. Rates are estimates and vary by specific location within the county.

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Section 5

Escrow & Property Taxes

Most mortgage lenders in Atascosa County require property tax escrow accounts for borrowers with less than 20% down payment. Your lender collects monthly escrow payments alongside your mortgage payment, then pays property taxes directly to Atascosa County when they become due. The escrow amount is calculated by dividing your annual tax bill by 12 months, often with a small buffer to account for potential increases.

Lenders typically conduct annual escrow analyses to ensure adequate funds are collected. If property taxes increase significantly, you may face an escrow shortage requiring either a lump sum payment or increased monthly payments. Property taxes in Atascosa County become a lien on January 1st and are typically due by January 31st of the following year. Lenders usually pay the full annual amount by the January 31st deadline. Property owners should verify that their lender has made timely payments, as ultimate responsibility for payment remains with the property owner even when using escrow services.

How HonestCasa Helps
  • Understand whether your escrow is set correctly
  • See how rising taxes will change your monthly payment
  • Plan ahead instead of being surprised by "shortage" letters
Section 6

Frequently Asked Questions

Q: When are property taxes due in Atascosa County? A: Property taxes for the 2025 tax year are due by January 31, 2026. This is a single annual payment with no split payment option available.

Q: What homestead exemptions are available and do they apply automatically? A: The general homestead exemption and school district homestead exemption are available but require application. You must file for homestead exemptions with the Atascosa County Appraisal District by April 30th of the tax year. The homestead also provides a 10% annual cap on assessed value increases.

Q: Are there additional tax credits for seniors or disabled veterans? A: Yes, property owners over 65 may qualify for additional exemptions, and disabled veterans may receive significant exemptions based on disability rating. All require separate applications with supporting documentation filed by April 30th.

Q: How often are properties reassessed in Atascosa County? A: Properties are assessed annually as of January 1st. However, homestead properties benefit from a 10% annual cap on assessed value increases, regardless of market value changes.

Q: What are the penalties for late property tax payments? A: Late payments incur penalties starting February 1st: 6% in February, 7% in March, 8% in April, 9% in May, 10% in June, and 12% in July and beyond, plus interest charges.

Q: Can I pay property taxes online in Atascosa County? A: Contact the Atascosa County Tax Office at 1020 Bensdale Dr., Pleasanton, TX 78064 for current online payment options and accepted payment methods.

Q: How do special district taxes affect my bill? A: Special districts (hospital, water, emergency services) add to your total tax rate. The specific districts affecting your property depend on your exact location within the county.

Q: What if I disagree with my property assessment? A: You can appeal your assessment to the Atascosa County Appraisal Review Board. Protest deadlines are typically in May following the tax year, with specific dates provided on your assessment notice.

Q: Do I need to reapply for exemptions every year? A: Most exemptions, once approved, remain in effect as long as you continue to qualify and occupy the property. However, you must notify the appraisal district of any changes that might affect eligibility.

Q: How does the 10% homestead cap work? A: For homestead properties, the assessed value for tax purposes cannot increase more than 10% per year, even if market value rises more dramatically. This cap helps provide property tax stability for homeowners.

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