Williamson County — texaspropertytaxappeal.com

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

1621 WILLOW VIS, ROUND ROCK, TX 78664

This property may be over-assessed.

Estimated annual tax savings
$1,333
Based on assessment gap vs. neighborhood median
Your $/sqft
$273
Neighborhood median
$221
Appraised value
$340,042
% above median
23.3%
Heated area
1,247 sqft
Year built
2014

Comparable properties in your neighborhood

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

Address Sqft Year Market Value $/Sqft Diff
621 HERITAGE SPRINGS TRL, ROUND ROCK, TX 78664 1,247 2013 $334,867 $269 -$4
755 HERITAGE SPRINGS TRL, ROUND ROCK, TX 78664 1,247 2013 $334,867 $269 -$4
525 HERITAGE SPRINGS TRL, ROUND ROCK, TX 78664 1,247 2013 $334,867 $269
825 HERITAGE SPRINGS TRL, ROUND ROCK, TX 78664 1,292 2014 $333,761 $258
743 HERITAGE SPRINGS TRL, ROUND ROCK, TX 78664 1,244 2013 $334,894 $269
501 TUMLINSON FORT WAY, ROUND ROCK, TX 78664 1,267 2015 $334,148 $264

🔒 4 more comparable properties available in your evidence packet

How we calculated this

We compared your property's assessed value per square foot ($273/sqft) against the median for your neighborhood ($221/sqft). Your property is assessed 23.3% higher than typical homes nearby.

If the appraisal district adjusted your value to the neighborhood median, you could save approximately $1,333 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
$1,333
Year 2
$2,666
Year 3
$3,999

That’s a 82× 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)