Collin County — texaspropertytaxappeal.com

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

5901 CASTLEBAR LN

This property may be over-assessed.

Estimated annual tax savings
$2,746
Based on assessment gap vs. neighborhood median
Your $/sqft
$289
Neighborhood median
$244
Appraised value
$982,165
% above median
18.8%
Heated area
3,395 sqft
Year built
1991

Comparable properties in your neighborhood

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

Address Sqft Year Market Value $/Sqft Diff
5905 WILLOWROSS WAY 3,441 1991 $901,041 $262 -$27
5921 WILLOWROSS WAY 3,389 1992 $907,119 $268 -$22
5909 CASTLEBAR LN 3,311 1990 $827,908 $250
5904 GLENDOWER LN 3,164 1991 $806,552 $255
5920 GLENDOWER LN 3,532 1992 $891,888 $253
5936 ROYAL PALM DR 3,414 1993 $818,451 $240

🔒 4 more comparable properties available in your evidence packet

How we calculated this

We compared your property's assessed value per square foot ($289/sqft) against the median for your neighborhood ($244/sqft). Your property is assessed 18.8% higher than typical homes nearby.

If the appraisal district adjusted your value to the neighborhood median, you could save approximately $2,746 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
$2,746
Year 2
$5,492
Year 3
$8,238

That’s a 168× 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)