Williamson County — texaspropertytaxappeal.com

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

11000 ROY BUTLER DR, AUSTIN, TX 78717

This property may be over-assessed.

Estimated annual tax savings
$7,038
Based on assessment gap vs. neighborhood median
Your $/sqft
$333
Neighborhood median
$239
Appraised value
$1,062,042
% above median
39.4%
Heated area
3,191 sqft
Year built
2003

Comparable properties in your neighborhood

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

Address Sqft Year Market Value $/Sqft Diff
10508 ROY BUTLER DR, AUSTIN, TX 78717 3,174 2003 $805,801 $254 -$79
10404 ROY BUTLER DR, AUSTIN, TX 78717 3,254 2003 $820,004 $252 -$81
10109 WHITLEY BAY DR, AUSTIN, TX 78717 3,083 2003 $802,455 $260
10101 WHITLEY BAY DR, AUSTIN, TX 78717 3,075 2003 $802,548 $261
10916 ROY BUTLER DR, AUSTIN, TX 78717 3,089 2006 $975,786 $316
10920 ROY BUTLER DR, AUSTIN, TX 78717 3,358 2003 $894,024 $266

🔒 4 more comparable properties available in your evidence packet

How we calculated this

We compared your property's assessed value per square foot ($333/sqft) against the median for your neighborhood ($239/sqft). Your property is assessed 39.4% higher than typical homes nearby.

If the appraisal district adjusted your value to the neighborhood median, you could save approximately $7,038 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
$7,038
Year 2
$14,076
Year 3
$21,114

That’s a 431× 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)