78628 Property Tax Rate

Georgetown, Texas · Part of Williamson County

ACS 2019-2023 · Updated Dec 2024

Effective Tax Rate

1.74%

160% above state avg

Median Annual Tax

$8,142

$679/mo escrow

Estimate Your Tax

$
$50K$2M

Annual Tax

$8,142

Monthly

$679

Eff. Rate

1.74%

vs. Texas Avg160% above
vs. National Avg202.7% above

How ZIP 78628 Compares

Median Annual Property Tax

ZIP 78628$8,142
Texas Average$3,131
National Average$2,690

ZIP 78628

1.74%

Effective rate

Texas Avg

1.35%

Effective rate

National Avg

1.10%

Effective rate

State Ranking

Property Tax Rank in Texas

0.23%state avg 1.35%3.49%

Higher than 84% of ZIP codes in Texas(84th percentile, 1,654 ZIPs compared)

Property Tax Analysis

Property Tax Insights for ZIP 78628

Property owners in ZIP code 78628 (Georgetown, Texas) pay a median of $8,142/year in property taxes on homes valued at $467,700. This translates to an effective tax rate of 1.74%, which is 29% above the Texas state average of 1.35%.

The monthly property tax burden for a median-valued home in 78628 is approximately $679, which factors into escrow payments on mortgages. This ZIP code is located within Williamson County. This is $5,011 more than the Texas average of $3,131/year.

Compared to similar ZIP codes in Texas, 78628 has higher property taxes. ZIP codes with similar effective rates include 76309 (1.74%) and 75036 (1.74%).

In Georgetown, property taxes represent approximately 6.9% of the median household income of $117,198, providing context for the relative tax burden on homeowners in this area.

Texas caps annual appraisal increases at 10% for homestead properties, but this cap only applies once you file — submit your Homestead Exemption application to the Williamson County Appraisal District by April 30 of the year following purchase. The exemption removes a portion of assessed value from school and county taxes, typically saving $800–$1,500/year even on a median $370,400 home in this fast-growing county. File your exemption with the Williamson County Assessor immediately after closing and request confirmation of your homestead cap status, as Williamson County appraisals tend to increase rapidly.

Buyer decision brief

What ZIP 78628 means for your housing budget

Use this ZIP page to compare recurring tax burden before you compare listing prices. The numbers below are Census ZCTA estimates, so they are strongest for neighborhood comparison and weakest for parcel-specific tax planning.

Monthly escrow signal

$679/mo

Based on median annual tax paid

State context

0.39 percentage points above the Texas average

Texas average: 1.35%

Data confidence

High confidence

The Census margin of error is $504, about 6% of the median tax estimate.

Verify before you offer

  • Confirm parcel assessed value with Williamson County assessor.
  • Check homestead, senior, veteran, and disability exemptions.
  • Ask whether purchase triggers reassessment or value-cap reset.
  • Review school district and special assessment boundaries.

This is informational content, not tax, legal, or mortgage advice. Local assessor records remain the source of truth for a specific property.

Frequently Asked Questions

What is the property tax rate in ZIP code 78628?
The effective property tax rate in ZIP code 78628 (Georgetown, TX) is 1.74%. This rate is calculated by dividing the median annual property tax payment by the median home value within this ZIP Code Tabulation Area (ZCTA), based on U.S. Census Bureau data.
How much are property taxes in Georgetown, TX (78628)?
The median annual property tax payment in ZIP code 78628 is $8,142. This figure represents the typical amount paid by homeowners in this area. Actual taxes vary based on your assessed property value and any applicable exemptions.
How does ZIP 78628 compare to the Texas average?
ZIP code 78628's effective tax rate of 1.74% is higher than the Texas state average of 1.35%. The median annual property tax in this ZIP is $8,142, compared to the state average of $3,131.
What is the median home value in ZIP 78628?
The median home value in ZIP code 78628 (Georgetown, TX) is $467,700, according to U.S. Census Bureau American Community Survey 2019-2023 5-Year Estimates at the ZCTA level.
What county is ZIP code 78628 in?
ZIP code 78628 is part of Williamson County in Texas. For broader county-level property tax data, including comparisons with other counties in Texas, visit the Williamson County profile on TaxByCounty.

Margin of Error

The median property tax estimate for this ZIP code has a margin of error of ±$504. ZCTA-level data has wider margins than county-level estimates due to smaller sample sizes.

County-Level Data

ZIP code 78628 is part of Williamson County, Texas. View the full county profile for broader context and more data.

View Williamson County on TaxByCounty →

Explore Georgetown, TX

View all 3 ZIP codes in Georgetown with property tax comparisons.

View Georgetown Property Tax Rates →
By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor

Data from U.S. Census Bureau, American Community Survey 2019-2023 5-Year Estimates (ZCTA level). ZIP Code Tabulation Areas (ZCTAs) are Census approximations of USPS ZIP codes.

Estimates are informational only and should not be used as financial or legal advice.

Learn about our data sources and methodology →