How much could I save by protesting property taxes at 3820 GILLON AVE?

Based on our analysis, you could save approximately $326,353 per year by protesting this property tax assessment. Over 5 years, that's $1,631,765.

What is the protest success rate in this neighborhood?

80% of protests in this neighborhood resulted in a reduction, based on 5 protests filed.

How much does a Texas property tax protest cost?

Most counties charge no filing fee. This service fee covers your evidence packet and filing workflow support.

Do I need an attorney to file a property tax protest?

No. Texans can often file directly through the CAD's iFile system and upload your support documents for review.

What is the first step to filing a protest?

Confirm your filing deadline from the Notice of Appraised Value and begin preparing comparable sales evidence first.

Protest Deadline: May 15, 2026 (39 days left)

This Highland Park home is assessed 75.0% above the neighborhood median

3820 GILLON AVE — Dallas County

Estimated annual tax savings

$326,353

$1,631,765 over 5 years if reduced to neighborhood median

80%

Win rate

Protests filed

$248,985

Median reduction

Your $/sqft

$2316

Neighborhood median

$1323

Appraised value

$25,000,000

% above median

75.0%

Heated area

10,794 sqft

Year built

1990

Year-over-year assessment change

This property's appraised value unchanged from the prior year.

Comparable properties in your neighborhood

These homes are similar and assessed lower per square foot.

Address	Sqft	Year	Market Value	$/Sqft	Diff
3900 MIRAMAR AVE	10,543	1995	$14,000,000	$1328	-$988
3916 GILLON AVE	11,900	1993	$14,500,000	$1218	-$1098

3807 MIRAMAR AVE	11,801	$17,500,000
3720 MIRAMAR AVE	8,834	$8,199,100
3800 MIRAMAR AVE	10,604	$14,500,000
4425 HIGHLAND DR	11,433	$15,369,630

🔒 4 more comparable properties available in your evidence packet

How we calculated this

We compared this property's assessed value per square foot ($2316/sqft) against the median for the neighborhood ($1323/sqft). This property is assessed 75.0% higher than typical homes nearby.

If the appraisal district adjusted the value to the neighborhood median, the owner could save approximately $326,353 per year in property taxes based on the Dallas County effective tax rate.

In this neighborhood, 80% of protests resulted in a reduction, with a median reduction of $248,985.

What you'll receive

📋

Filing Guide

Your exact deadline, required forms, and step-by-step Dallas County filing process

📊

Evidence Packet

Full comparable sales analysis with assessment discrepancy calculation

✉️

Cover Letter

Pre-written appeal letter with hearing talking points, ready to sign and submit

This decision compounds

Year 1

$326,353

Year 2

$652,706

Year 3

$979,059

That’s a 19981× 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 (39 days left)

See more properties in Miramar Ave & Gillon Ave area, Highland Park 75205 · Highland Park neighborhoods