Collin County — texaspropertytaxappeal.com

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

4400 HOLBURN DR

This property may be over-assessed.

Estimated annual tax savings
$1,808
Based on assessment gap vs. neighborhood median
Your $/sqft
$247
Neighborhood median
$199
Appraised value
$501,245
% above median
24.2%
Heated area
2,027 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
4204 HOLBURN DR 2,071 2014 $505,973 $244 -$3
4225 HOLBURN DR 2,058 2014 $467,455 $227 -$20
4300 HOLBURN DR 2,267 2014 $524,233 $231
4409 HOLBURN DR 2,186 2014 $487,781 $223
4401 HOLBURN DR 2,164 2013 $491,566 $227
4712 WALLACE ST 2,187 2015 $486,210 $222

🔒 4 more comparable properties available in your evidence packet

How we calculated this

We compared your property's assessed value per square foot ($247/sqft) against the median for your neighborhood ($199/sqft). Your property is assessed 24.2% higher than typical homes nearby.

If the appraisal district adjusted your value to the neighborhood median, you could save approximately $1,808 per year in property taxes based on the Collin 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 Collin 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
$1,808
Year 2
$3,616
Year 3
$5,424

That’s a 111× 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)