How much could I save by protesting property taxes at 21422 HIGHLAND KNOLLS DR?

Based on our analysis, you could save approximately $1,935 per year by protesting this property tax assessment. Over 5 years, that's $9,675.

What is the protest success rate in this neighborhood?

93% of protests in this neighborhood resulted in a reduction, based on 228 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 (40 days left)

This Katy home is assessed 49.0% above the neighborhood median

21422 HIGHLAND KNOLLS DR — Harris County

Estimated annual tax savings

$1,935

$9,675 over 5 years if reduced to neighborhood median

93%

Win rate

228

Protests filed

$15,403

Median reduction

Your $/sqft

$193

Neighborhood median

$130

Appraised value

$270,240

% above median

49.0%

Heated area

1,398 sqft

Year built

1980

Year-over-year assessment change

-1.1%

This property's appraised value decreased 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
21407 PARK RUN DR	1,392	1980	$227,025	$163	-$30
21326 PARK RUN DR	1,410	1979	$213,523	$151	-$42

21402 HIGHLAND KNOLLS DR	1,410	$225,850
21414 HIGHLAND KNOLLS DR	1,410	$225,850
21330 HIGHLAND KNOLLS DR	1,410	$229,566
21331 PARK RUN DR	1,410	$236,191

🔒 4 more comparable properties available in your evidence packet

How we calculated this

We compared this property's assessed value per square foot ($193/sqft) against the median for the neighborhood ($130/sqft). This property is assessed 49.0% higher than typical homes nearby.

If the appraisal district adjusted the value to the neighborhood median, the owner could save approximately $1,935 per year in property taxes based on the Harris County effective tax rate.

In this neighborhood, 93% of protests resulted in a reduction, with a median reduction of $15,403.

What you'll receive

📋

Filing Guide

Your exact deadline, required forms, and step-by-step Harris 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

$1,935

Year 2

$3,870

Year 3

$5,805

That’s a 118× 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)

See more properties in Park Mount & Park Royale area, Katy 77450 · Katy neighborhoods