Collin County — texaspropertytaxappeal.com

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

427 SHANNON DR

This property may be over-assessed.

Estimated annual tax savings
$2,114
Based on assessment gap vs. neighborhood median
Your $/sqft
$236
Neighborhood median
$197
Appraised value
$711,134
% above median
20.0%
Heated area
3,010 sqft
Year built
2017

Comparable properties in your neighborhood

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

Address Sqft Year Market Value $/Sqft Diff
1107 DREW DR 3,012 2017 $645,020 $214 -$22
1105 DREW DR 2,921 2017 $632,402 $217 -$20
1106 DREW DR 3,174 2017 $663,532 $209
418 SNEAD DR 3,007 2015 $628,979 $209
1103 HIDDEN OAKS DR 3,010 2015 $669,475 $222
1112 HIDDEN OAKS DR 3,030 2015 $669,336 $221

🔒 4 more comparable properties available in your evidence packet

How we calculated this

We compared your property's assessed value per square foot ($236/sqft) against the median for your neighborhood ($197/sqft). Your property is assessed 20.0% higher than typical homes nearby.

If the appraisal district adjusted your value to the neighborhood median, you could save approximately $2,114 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
$2,114
Year 2
$4,228
Year 3
$6,342

That’s a 129× 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)