Williamson County — texaspropertytaxappeal.com

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

3910 BLUE MONSTER CV, ROUND ROCK, TX 78664

This property may be over-assessed.

Estimated annual tax savings
$2,736
Based on assessment gap vs. neighborhood median
Your $/sqft
$256
Neighborhood median
$192
Appraised value
$492,465
% above median
33.1%
Heated area
1,927 sqft
Year built
2002

Comparable properties in your neighborhood

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

Address Sqft Year Market Value $/Sqft Diff
4009 GLENEAGLES CV, ROUND ROCK, TX 78664 1,933 2003 $490,491 $254 -$2
4002 GLENEAGLES CV, ROUND ROCK, TX 78664 2,008 2002 $445,066 $222 -$34
3816 HARVEY PENICK DR, ROUND ROCK, TX 78664 1,896 2003 $418,743 $221
3701 HARVEY PENICK CV, ROUND ROCK, TX 78664 2,042 2002 $451,963 $221
3706 HARVEY PENICK CV, ROUND ROCK, TX 78664 2,088 2002 $464,760 $223
2201 CONWAY CV, ROUND ROCK, TX 78664 2,027 2003 $458,853 $226

🔒 4 more comparable properties available in your evidence packet

How we calculated this

We compared your property's assessed value per square foot ($256/sqft) against the median for your neighborhood ($192/sqft). Your property is assessed 33.1% higher than typical homes nearby.

If the appraisal district adjusted your value to the neighborhood median, you could save approximately $2,736 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
$2,736
Year 2
$5,472
Year 3
$8,208

That’s a 168× 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)