Williamson County — texaspropertytaxappeal.com

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

1420 OLD AUSTIN ROCK DR, ROUND ROCK, TX 78681

This property may be over-assessed.

Estimated annual tax savings
$35,235
Based on assessment gap vs. neighborhood median
Your $/sqft
$987
Neighborhood median
$242
Appraised value
$683,061
% above median
307.1%
Heated area
692 sqft
Year built
1965

Comparable properties in your neighborhood

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

Address Sqft Year Market Value $/Sqft Diff
9 GALLOPING RD, ROUND ROCK, TX 78681 768 1978 $245,355 $319 -$668

How we calculated this

We compared your property's assessed value per square foot ($987/sqft) against the median for your neighborhood ($242/sqft). Your property is assessed 307.1% higher than typical homes nearby.

If the appraisal district adjusted your value to the neighborhood median, you could save approximately $35,235 per year in property taxes based on the Williamson County effective tax rate.

We identified the 1 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 1 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
$35,235
Year 2
$70,470
Year 3
$105,705

That’s a 2157× 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)