Collin County — texaspropertytaxappeal.com

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

121 HARPER DR

This property may be over-assessed.

Estimated annual tax savings
$8,497
Based on assessment gap vs. neighborhood median
Your $/sqft
$461
Neighborhood median
$151
Appraised value
$276,721
% above median
206.1%
Heated area
600 sqft
Year built
2007

Comparable properties in your neighborhood

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

Address Sqft Year Market Value $/Sqft Diff
504 2020 $106,682 $212 -$250

How we calculated this

We compared your property's assessed value per square foot ($461/sqft) against the median for your neighborhood ($151/sqft). Your property is assessed 206.1% higher than typical homes nearby.

If the appraisal district adjusted your value to the neighborhood median, you could save approximately $8,497 per year in property taxes based on the Collin County effective tax rate.

We identified the 1 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 1 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
$8,497
Year 2
$16,994
Year 3
$25,491

That’s a 520× 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)