Williamson County — texaspropertytaxappeal.com

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

3927 BLUE MONSTER CV, ROUND ROCK, TX 78664

This property may be over-assessed.

Estimated annual tax savings
$2,023
Based on assessment gap vs. neighborhood median
Your $/sqft
$238
Neighborhood median
$192
Appraised value
$504,141
% above median
23.9%
Heated area
2,119 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
3807 PEBBLE CT, ROUND ROCK, TX 78664 2,114 2002 $462,828 $219 -$19
3920 BLUE MONSTER CV, ROUND ROCK, TX 78664 2,126 2002 $458,225 $216 -$22
3921 BLUE MONSTER CV, ROUND ROCK, TX 78664 2,146 2002 $459,295 $214
3800 HARVEY PENICK DR, ROUND ROCK, TX 78664 2,143 2002 $465,420 $217
3733 HARVEY PENICK DR, ROUND ROCK, TX 78664 2,148 2002 $451,556 $210
3737 HARVEY PENICK DR, ROUND ROCK, TX 78664 2,149 2002 $446,035 $208

🔒 4 more comparable properties available in your evidence packet

How we calculated this

We compared your property's assessed value per square foot ($238/sqft) against the median for your neighborhood ($192/sqft). Your property is assessed 23.9% higher than typical homes nearby.

If the appraisal district adjusted your value to the neighborhood median, you could save approximately $2,023 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
$2,023
Year 2
$4,046
Year 3
$6,069

That’s a 124× 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)