HonestCasa logoHonestCasa
Updated 2025 Tax Year

Hays County
Property Tax Guide

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

10 Official Sources
8 min read
Quick Facts
Tax Rate
2.5% to 3.5% of assessed value (varies by taxing district combination)
1st Due
Jan 31
Exemptions
5+ Available
Section 1

How Property Tax Works

Hays County, Texas operates under the state's property tax system, where property taxes serve as the primary funding mechanism for essential local services including schools, county operations, emergency services, and infrastructure maintenance. Located in Central Texas between Austin and San Antonio, Hays County has experienced significant growth, making property tax administration crucial for maintaining quality public services across its expanding communities.

Property tax rates in Hays County vary by location within the county due to the overlay of multiple taxing entities including the county, school districts, cities, municipal utility districts (MUDs), and other special purpose districts. The effective tax rate typically ranges from approximately 2.5% to 3.5% of assessed value, depending on which taxing jurisdictions serve your specific property location. Property owners receive a single consolidated tax bill that includes all applicable taxing entities for their area.

Texas law provides several property tax relief mechanisms, including homestead exemptions that reduce assessed value and caps that limit annual assessment increases to 10% for primary residences. Most tax relief benefits require annual application and are not automatically applied to your property tax account.

Section 2

What Makes Up Your Tax Bill

The following rates apply to the FY 2025-2026 tax year and represent the major taxing entities in Hays County:

ComponentRate (per $100 valuation)Description
Hays County$0.3867County services, roads, law enforcement, courts
School Districts$1.00 - $1.35Varies by district (Dripping Springs, Hays CISD, San Marcos CISD, etc.)
Cities$0.20 - $0.65Municipal services (varies by city: San Marcos, Kyle, Buda, etc.)
Emergency Services$0.08 - $0.12Fire protection and EMS districts
MUDs/Special Districts$0.15 - $0.50Water, sewer, drainage infrastructure

Note: Your actual tax rate depends on your property's specific location and which taxing entities provide services to your area. Rural properties may have different special district taxes than properties within city limits. The combined rate for most properties ranges from $2.50 to $3.50 per $100 of assessed value.

Section 3

When Are Property Taxes Due?

For the 2025/2026 tax year in Hays 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 Hays County are additional tax assessments that occur when there are changes to property ownership, value, or use during the tax year. The most common triggers include new construction completion, property ownership transfers, or the discovery of previously unassessed improvements. When these events occur, the Hays County Appraisal District calculates a prorated tax bill for the portion of the tax year affected by the change.

The supplemental tax is calculated by determining the difference between the old and new assessed values, applying the current tax rate, and prorating based on the number of months remaining in the tax year. For example, if a $50,000 home addition is completed in July, and your total tax rate is 3.0%, the supplemental tax would be approximately $1,500 × (6 months remaining ÷ 12 months) = $750.

Supplemental tax bills are typically issued within 30-60 days of the triggering event and have the same payment deadline as regular property taxes (January 31st). Property owners should budget for potential supplemental taxes when planning major improvements or property purchases during the tax year.

Example Calculation

The following examples show annual property tax calculations for different home values in Hays County, assuming a combined tax rate of 3.0% and including common tax relief programs:

Example 1: $300,000 Home (with Homestead Exemption)

  • Market Value: $300,000
  • School District Homestead Exemption: -$40,000
  • General Homestead Exemption: -$25,000
  • Net Taxable Value: $235,000
  • Annual Tax: $235,000 × 0.030 = $7,050
  • Monthly Escrow: $587.50

Example 2: $600,000 Home (with Homestead Exemption)

  • Market Value: $600,000
  • School District Homestead Exemption: -$40,000
  • General Homestead Exemption: -$25,000
  • Net Taxable Value: $535,000
  • Annual Tax: $535,000 × 0.030 = $16,050
  • Monthly Escrow: $1,337.50

Example 3: $1,000,000 Home (with Homestead Exemption)

  • Market Value: $1,000,000
  • School District Homestead Exemption: -$40,000
  • General Homestead Exemption: -$25,000
  • Net Taxable Value: $935,000
  • Annual Tax: $935,000 × 0.030 = $28,050
  • Monthly Escrow: $2,337.50

Note: Homestead exemptions require annual application and apply only to primary residences. Tax rates vary by location within Hays County based on local taxing districts.

See How Taxes Affect Your Payment

Property taxes are just part of your total monthly cost. Get the full picture.

Calculate Now
Section 5

Escrow & Property Taxes

Most Hays County property owners with mortgages have their property taxes collected through escrow accounts managed by their mortgage servicer. Lenders collect approximately 1/12th of the estimated annual property tax bill with each monthly mortgage payment, holding these funds in an escrow account until taxes become due.

The Hays County Tax Assessor-Collector's office mails tax bills directly to mortgage servicers for escrowed properties, typically in October. Servicers are responsible for paying the tax bill by the January 31st deadline using accumulated escrow funds. Property owners should verify that their lender has received the tax bill and scheduled payment, especially for new mortgages or recent refinances.

Escrow accounts are analyzed annually, and servicers may adjust monthly collection amounts based on actual tax bills and projected changes in assessed values. Property owners receive an annual escrow analysis statement showing account activity and any required payment adjustments. If escrow funds are insufficient due to significant assessment increases, servicers may require immediate payment of the shortage or spread the deficiency over 12 months.

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 for the current fiscal year? A: For FY 2025-2026, property taxes are due by Saturday, January 31, 2026. Payments postmarked February 1 or later will incur penalties and interest according to Texas Property Tax Code Section 31.02(a).

Q: What homestead exemptions are available and how do I apply? A: Qualified homeowners can receive a $40,000 school district exemption and additional local exemptions totaling approximately $25,000. Applications must be filed with the Hays County Appraisal District by April 30th following the year you purchase your home. The homestead exemption also caps annual assessment increases at 10%.

Q: How does the 10% homestead cap work? A: The homestead cap limits annual increases in your home's assessed value to 10%, regardless of market value increases. This benefit requires filing a homestead exemption application and applies only to your primary residence. The cap does not reduce market value but protects against dramatic tax increases from rapid appreciation.

Q: Are there tax relief programs for seniors or disabled persons? A: Yes, homeowners 65 and older or those who are disabled may qualify for additional exemptions and a tax ceiling that freezes taxes at current levels. Applications must be filed with the Hays County Appraisal District and are not automatic.

Q: When will I receive my property tax bill? A: Tax bills for FY 2025-2026 are typically mailed in October 2025. Not receiving a bill does not exempt you from payment obligations or late penalties.

Q: How do I pay my property taxes online? A: Online payments can be made through the Hays County Tax Office website using bank transfers or credit cards. Convenience fees apply for credit card payments. The online system accepts payments until 11:59 PM on the due date.

Q: What are the penalties for late payment? A: Late payments incur a 6% penalty in February, 7% in March, 8% in April, 9% in May, and 10% in June. Interest accrues at 1% per month on both taxes and penalties.

Q: How do I appeal my property assessment? A: Property value protests must be filed with the Hays County Appraisal Review Board by May 31st (or 30 days after receiving your notice of appraised value, whichever is later). Appeals can be filed online or by mail with supporting documentation.

Q: Do tax rates vary within Hays County? A: Yes, tax rates vary significantly based on your location due to different combinations of school districts, cities, emergency service districts, and MUDs. Rural properties may have different rates than properties within city limits.

Q: What happens if I don't pay my property taxes? A: Unpaid taxes become a lien on your property. After taxes remain delinquent for a certain period, the property may be subject to foreclosure and tax sale proceedings under Texas law.

See the Full Picture of Your Home Costs

Property taxes are just one piece of homeownership. HonestCasa helps you understand your total monthly cost and explore safe ways to access your home equity.

Total Monthly Cost

Mortgage + taxes + insurance + HOA

Equity Growth

Track how your equity grows over time

Safe Equity Access

Options for projects or debt payoff

Free • No credit check • 2-minute estimate