Collin County — texaspropertytaxappeal.com

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

5604 COGNAC ST

This property may be over-assessed.

Estimated annual tax savings
$11,124
Based on assessment gap vs. neighborhood median
Your $/sqft
$340
Neighborhood median
$254
Appraised value
$2,188,648
% above median
34.1%
Heated area
6,428 sqft
Year built
2012

Comparable properties in your neighborhood

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

Address Sqft Year Market Value $/Sqft Diff
6224 MARTINIQUE ST 6,502 2012 $1,893,207 $291 -$49
6001 MONTE CRISTO LN 6,343 2012 $1,523,030 $240 -$100
6005 MARTINIQUE ST 6,363 2012 $1,435,000 $226
6109 MONTE CRISTO LN 6,192 2012 $1,498,000 $242
6008 BETH DR 6,398 2013 $1,625,000 $254
5712 CHALICE DR 6,282 2012 $1,417,532 $226

🔒 4 more comparable properties available in your evidence packet

How we calculated this

We compared your property's assessed value per square foot ($340/sqft) against the median for your neighborhood ($254/sqft). Your property is assessed 34.1% higher than typical homes nearby.

If the appraisal district adjusted your value to the neighborhood median, you could save approximately $11,124 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
$11,124
Year 2
$22,248
Year 3
$33,372

That’s a 681× 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)