Collin County — texaspropertytaxappeal.com

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

423 SPARROW DR

This property may be over-assessed.

Estimated annual tax savings
$2,000
Based on assessment gap vs. neighborhood median
Your $/sqft
$227
Neighborhood median
$183
Appraised value
$565,141
% above median
23.7%
Heated area
2,494 sqft
Year built
2023

Comparable properties in your neighborhood

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

Address Sqft Year Market Value $/Sqft Diff
1106 FALCONS WAY 2,499 2023 $558,309 $223 -$3
1119 FALCONS WAY 2,486 2023 $539,709 $217 -$10
303 MANDARIN CIR 2,531 2023 $545,770 $216
1104 PEACOCK LN 2,531 2023 $563,228 $223
1204 HAWK ST 2,455 2023 $535,518 $218
1112 FALCONS WAY 2,450 2023 $535,086 $218

🔒 4 more comparable properties available in your evidence packet

How we calculated this

We compared your property's assessed value per square foot ($227/sqft) against the median for your neighborhood ($183/sqft). Your property is assessed 23.7% higher than typical homes nearby.

If the appraisal district adjusted your value to the neighborhood median, you could save approximately $2,000 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
$2,000
Year 2
$4,000
Year 3
$6,000

That’s a 122× 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)