Williamson County — texaspropertytaxappeal.com

Protest Deadline: May 15, 2026 (40 days left)

10129 CASSANDRA DR, AUSTIN, TX 78717

This property may be over-assessed.

Estimated annual tax savings
$2,647
Based on assessment gap vs. neighborhood median
Your $/sqft
$294
Neighborhood median
$228
Appraised value
$545,493
% above median
28.9%
Heated area
1,853 sqft
Year built
1996

Comparable properties in your neighborhood

These homes are similar to yours and assessed lower per square foot.

Address Sqft Year Market Value $/Sqft Diff
10111 ANDORA DR, AUSTIN, TX 78717 1,827 1996 $503,696 $276 -$19
15009 CALAVERAS DR, AUSTIN, TX 78717 1,914 1996 $513,220 $268 -$26
10200 ANDORA DR, AUSTIN, TX 78717 1,941 1996 $516,089 $266
10224 ANDORA DR, AUSTIN, TX 78717 1,879 1997 $511,497 $272
14901 CALAVERAS DR, AUSTIN, TX 78717 1,869 1994 $506,362 $271
10204 CASSANDRA DR, AUSTIN, TX 78717 1,914 1998 $517,176 $270

🔒 4 more comparable properties available in your evidence packet

How we calculated this

We compared your property's assessed value per square foot ($294/sqft) against the median for your neighborhood ($228/sqft). Your property is assessed 28.9% higher than typical homes nearby.

If the appraisal district adjusted your value to the neighborhood median, you could save approximately $2,647 per year in property taxes based on the Williamson County effective tax rate.

We identified the 6 most comparable homes — matched on square footage, age, quality, and location — all assessed at lower $/sqft values.

What you'll receive

📋

Filing Guide

Your exact deadline, required forms, and step-by-step Williamson County filing process

📊

Evidence Packet

Full comparable sales analysis with 6 properties, assessment discrepancy calculation, and maps

✉️

Cover Letter

Pre-written appeal letter with hearing talking points, ready to sign and submit

This decision compounds

Year 1
$2,647
Year 2
$5,294
Year 3
$7,941

That’s a 162× return on $49

Get your protest packet

One-time fee · No recurring charges · You keep 100% of your savings

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Protest deadline: May 15, 2026 (40 days left)