Collin County — texaspropertytaxappeal.com

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

6619 DUPPER CT

This property may be over-assessed.

Estimated annual tax savings
$1,631
Based on assessment gap vs. neighborhood median
Your $/sqft
$265
Neighborhood median
$228
Appraised value
$666,809
% above median
16.4%
Heated area
2,513 sqft
Year built
1983

Comparable properties in your neighborhood

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

Address Sqft Year Market Value $/Sqft Diff
6619 GENSTAR LN 2,508 1983 $539,814 $215 -$50
6616 CAMILLE AVE 2,518 1983 $614,484 $244 -$21
6624 CAMILLE AVE 2,507 1983 $627,000 $250
6412 MISSY DR 2,498 1983 $626,011 $251
6523 MISSY DR 2,488 1983 $602,484 $242
6603 CAMILLE AVE 2,550 1983 $545,049 $214

🔒 4 more comparable properties available in your evidence packet

How we calculated this

We compared your property's assessed value per square foot ($265/sqft) against the median for your neighborhood ($228/sqft). Your property is assessed 16.4% higher than typical homes nearby.

If the appraisal district adjusted your value to the neighborhood median, you could save approximately $1,631 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
$1,631
Year 2
$3,262
Year 3
$4,893

That’s a 100× 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)