Williamson County — texaspropertytaxappeal.com

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

508 MAIN ST, ROUND ROCK, TX 78664

This property may be over-assessed.

Estimated annual tax savings
$5,661
Based on assessment gap vs. neighborhood median
Your $/sqft
$458
Neighborhood median
$272
Appraised value
$492,304
% above median
68.4%
Heated area
1,074 sqft
Year built
2000

Comparable properties in your neighborhood

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

Address Sqft Year Market Value $/Sqft Diff
410 LIBERTY AVE W, ROUND ROCK, TX 78664 1,238 1980 $751,613 $607

How we calculated this

We compared your property's assessed value per square foot ($458/sqft) against the median for your neighborhood ($272/sqft). Your property is assessed 68.4% higher than typical homes nearby.

If the appraisal district adjusted your value to the neighborhood median, you could save approximately $5,661 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
$5,661
Year 2
$11,322
Year 3
$16,983

That’s a 347× 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)