Collin County — texaspropertytaxappeal.com

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

3520 18TH ST

This property may be over-assessed.

Estimated annual tax savings
$1,499
Based on assessment gap vs. neighborhood median
Your $/sqft
$261
Neighborhood median
$199
Appraised value
$323,546
% above median
31.1%
Heated area
1,238 sqft
Year built
1971

Comparable properties in your neighborhood

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

Address Sqft Year Market Value $/Sqft Diff
3308 RIDGEGLEN CIR 1,226 1971 $240,000 $196 -$66
3305 STONECREST CIR 1,250 1971 $258,491 $207 -$55
3504 WILDWOOD CIR 1,257 1971 $230,391 $183
3519 COTILLION DR 1,257 1971 $234,192 $186
3509 COTILLION DR 1,257 1971 $239,022 $190
1405 COTILLION DR 1,257 1971 $261,173 $208

🔒 4 more comparable properties available in your evidence packet

How we calculated this

We compared your property's assessed value per square foot ($261/sqft) against the median for your neighborhood ($199/sqft). Your property is assessed 31.1% higher than typical homes nearby.

If the appraisal district adjusted your value to the neighborhood median, you could save approximately $1,499 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
$1,499
Year 2
$2,998
Year 3
$4,497

That’s a 92× 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)