Williamson County — texaspropertytaxappeal.com

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

4507 ARIA CV, ROUND ROCK, TX 78681

This property may be over-assessed.

Estimated annual tax savings
$2,386
Based on assessment gap vs. neighborhood median
Your $/sqft
$284
Neighborhood median
$228
Appraised value
$581,132
% above median
24.4%
Heated area
2,047 sqft
Year built
2006

Comparable properties in your neighborhood

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

Address Sqft Year Market Value $/Sqft Diff
4200 ADAGIO PL, ROUND ROCK, TX 78681 2,051 2006 $559,282 $273 -$11
4219 PASADA LN, ROUND ROCK, TX 78681 2,034 2006 $562,083 $276 -$8
4509 ARIA CV, ROUND ROCK, TX 78681 2,021 2006 $555,960 $275
4205 ANGELICO LN, ROUND ROCK, TX 78681 2,080 2006 $562,126 $270
4205 ADAGIO PL, ROUND ROCK, TX 78681 2,120 2006 $568,942 $268
4208 ANGELICO LN, ROUND ROCK, TX 78681 2,045 2007 $568,664 $278

🔒 4 more comparable properties available in your evidence packet

How we calculated this

We compared your property's assessed value per square foot ($284/sqft) against the median for your neighborhood ($228/sqft). Your property is assessed 24.4% higher than typical homes nearby.

If the appraisal district adjusted your value to the neighborhood median, you could save approximately $2,386 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
$2,386
Year 2
$4,772
Year 3
$7,158

That’s a 146× 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)