Williamson County — texaspropertytaxappeal.com

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

13402 PERTHSHIRE ST, AUSTIN, TX 78729

This property may be over-assessed.

Estimated annual tax savings
$2,698
Based on assessment gap vs. neighborhood median
Your $/sqft
$342
Neighborhood median
$240
Appraised value
$379,927
% above median
42.3%
Heated area
1,112 sqft
Year built
1999

Comparable properties in your neighborhood

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

Address Sqft Year Market Value $/Sqft Diff
13412 PERTHSHIRE ST, AUSTIN, TX 78729 1,240 1998 $382,809 $309 -$33
9705 BRAES VALLEY ST, AUSTIN, TX 78729 1,279 1998 $389,964 $305 -$37
9423 BRAEBURN GLEN, AUSTIN, TX 78729 1,318 1999 $387,163 $294
13304 WISTERWOOD ST, AUSTIN, TX 78729 1,268 2001 $416,166 $328
13307 WISTERWOOD ST, AUSTIN, TX 78729 1,308 2001 $391,043 $299
9602 BRAES VALLEY ST, AUSTIN, TX 78729 1,312 1994 $388,678 $296

🔒 4 more comparable properties available in your evidence packet

How we calculated this

We compared your property's assessed value per square foot ($342/sqft) against the median for your neighborhood ($240/sqft). Your property is assessed 42.3% higher than typical homes nearby.

If the appraisal district adjusted your value to the neighborhood median, you could save approximately $2,698 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
$2,698
Year 2
$5,396
Year 3
$8,094

That’s a 165× 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)