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Updated 2025 Tax Year

San Jacinto County
Property Tax Guide

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

10 Official Sources
8 min read
Quick Facts
Tax Rate
1.8-2.2% of assessed value (varies by taxing districts including school, county, MUD, and emergency services)
1st Due
Jan 31
Exemptions
5+ Available
Section 1

How Property Tax Works

San Jacinto 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 owners in San Jacinto County pay taxes based on the assessed value of their property multiplied by the combined tax rates of various local taxing entities. The effective tax rate in San Jacinto County typically ranges around 1.8-2.2% of assessed value, though this varies significantly depending on your specific location within the county.

It's important to understand that your actual property tax rate depends on which special taxing districts serve your property. These may include school districts, municipal utility districts (MUDs), emergency services districts, and other special purpose districts. Each taxing entity sets its own rate, and the combination of all applicable rates determines your total property tax bill. The county is currently in the process of finalizing tax rates for the 2025 tax year, with public hearings and approvals still pending.

Section 2

What Makes Up Your Tax Bill

The following table shows the typical components of property tax rates in San Jacinto County for the 2025 tax year (rates are per $100 of assessed value):

ComponentEstimated Rate RangeDescription
County General Fund$0.35 - $0.45County operations, roads, courts, law enforcement
School District$1.20 - $1.35Local school district operations and debt service
Emergency Services$0.08 - $0.12Fire protection and emergency medical services
Special Districts (MUD/Other)$0.15 - $0.35Municipal utility districts, drainage, other services
Total Combined Rate$1.78 - $2.27Varies by location and applicable districts

Note: These are estimated ranges for FY 2025-2026. Final rates are pending approval through public hearing processes. Your actual rate depends on which specific taxing entities serve your property location. Contact the San Jacinto County Tax Assessor-Collector for your exact rate combination.

Section 3

When Are Property Taxes Due?

For the 2025/2026 tax year in San Jacinto 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 Texas are additional property tax assessments that occur when there are changes to property ownership or improvements during the tax year. The most common triggers include: purchase of property (change in ownership), completion of new construction or major renovations, and addition of structures like pools, garages, or home additions. When these events occur, the county assessor recalculates the property's value and issues a supplemental tax bill for the remaining portion of the tax year.

The supplemental tax is calculated by taking the difference between the new assessed value and the previous assessed value, multiplying by your total tax rate, and prorating for the remaining months in the tax year. For example, if you purchase a home in June that was previously assessed at $200,000 but now appraises at $350,000, you would owe supplemental taxes on the $150,000 difference for the remaining 7 months of the tax year. This ensures that all property owners pay their fair share of taxes based on current property values and ownership throughout the entire tax year.

Example Calculation

Here are three examples showing annual property tax calculations for San Jacinto County properties, assuming a combined tax rate of 2.0% and applicable homestead exemptions:

Example 1: $300,000 Home with Homestead Exemption

  • Market Value: $300,000
  • Less School Homestead Exemption: -$100,000 (requires application)
  • Net Taxable Value: $200,000
  • Annual Tax: $200,000 × 2.0% = $4,000
  • Monthly Escrow: $333

Example 2: $600,000 Home with Homestead Exemption

  • Market Value: $600,000
  • Less School Homestead Exemption: -$100,000 (requires application)
  • Net Taxable Value: $500,000
  • Annual Tax: $500,000 × 2.0% = $10,000
  • Monthly Escrow: $833

Example 3: $1,000,000 Investment Property (No Homestead)

  • Market Value: $1,000,000
  • Less Exemptions: $0 (homestead not available for investment property)
  • Net Taxable Value: $1,000,000
  • Annual Tax: $1,000,000 × 2.0% = $20,000
  • Monthly Escrow: $1,667

Note: Homestead exemptions require annual application and only apply to primary residences. Tax credits must be applied for separately and are not automatic.

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Section 5

Escrow & Property Taxes

Most mortgage lenders in San Jacinto County require borrowers to maintain an escrow account for property taxes, especially when the loan-to-value ratio exceeds 80%. Your lender collects monthly payments equal to 1/12 of your estimated annual property tax bill and holds these funds in a separate escrow account. The lender then pays your property taxes directly to San Jacinto County when they become due. This system helps ensure taxes are paid on time and protects the lender's interest in the property.

Lenders typically conduct an annual escrow analysis to adjust your monthly payments based on actual tax bills and any changes in assessed value. If your escrow account has a shortage, you may need to pay the difference or accept higher monthly payments. Conversely, if there's a surplus, you may receive a refund or benefit from lower monthly payments. You can request information about your escrow account from your lender at any time, and you have the right to pay property taxes directly if you meet certain criteria such as having sufficient equity in your home.

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 San Jacinto County for the current fiscal year? A: Property taxes for the 2025 tax year are due in two installments: the first half by October 31, 2026, and the second half by May 31, 2027. You can also pay the full amount by the first due date.

Q: What homestead tax credits are available and how do I apply? A: The primary homestead exemption provides up to $100,000 reduction in assessed value for school district taxes on your primary residence. This requires a separate application to the San Jacinto County Appraisal District and is not automatic. Additional exemptions may be available for seniors, disabled veterans, and disabled persons.

Q: How does the homestead exemption work with assessment increases? A: The homestead exemption includes a 10% annual cap on assessment increases for your primary residence. This means your home's assessed value for tax purposes cannot increase by more than 10% per year, regardless of market value increases. You must file for homestead exemption to receive this protection.

Q: What happens if I pay my property taxes late? A: Late payments incur penalty and interest charges. Penalties start at 6% for payments 1-30 days late, increasing to 12% for payments over 6 months late, plus additional interest charges that accrue monthly.

Q: Can I pay my property taxes online? A: Yes, San Jacinto County offers online payment options through the Tax Assessor-Collector's office. You can pay by electronic check or credit card, though credit card payments may include processing fees.

Q: How often are properties reassessed in San Jacinto County? A: Properties are reassessed annually by the San Jacinto County Appraisal District. Assessment notices are typically mailed in spring, with values reflecting market conditions as of January 1st of the tax year.

Q: How do I appeal my property assessment? A: You can file an appeal with the San Jacinto County Appraisal Review Board if you believe your assessment is too high. Appeals must be filed by May 31st or within 30 days of receiving your assessment notice, whichever is later.

Q: Do special taxing districts affect my property tax rate? A: Yes, your location within San Jacinto County determines which special districts (such as MUDs, school districts, or emergency services districts) apply to your property. Each district adds its own tax rate to your total bill, which is why rates vary significantly by location within the county.

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