How much could I save by protesting property taxes at 1802 CASTLEROCK RD?

Based on our analysis, you could save approximately $11,840 per year by protesting this property tax assessment. Over 5 years, that's $59,200.

What is the protest success rate in this neighborhood?

95% of protests in this neighborhood resulted in a reduction, based on 20 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 Houston home is assessed 48.2% above the neighborhood median

1802 CASTLEROCK RD — Harris County

Estimated annual tax savings

$11,840

$59,200 over 5 years if reduced to neighborhood median

95%

Win rate

Protests filed

$44,806

Median reduction

Your $/sqft

$208

Neighborhood median

$140

Appraised value

$1,682,669

% above median

48.2%

Heated area

8,107 sqft

Year built

1980

Year-over-year assessment change

-1.3%

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
18010 SUGAR PINE DR	7,500	1988	$947,932	$126	-$81
17907 ELK VALLEY CIR	8,024	2000	$1,707,256	$213	—

1814 ELK RIVER DR

7,521

$1,085,767

🔒 1 more comparable properties available in your evidence packet

How we calculated this

We compared this property's assessed value per square foot ($208/sqft) against the median for the neighborhood ($140/sqft). This property is assessed 48.2% higher than typical homes nearby.

If the appraisal district adjusted the value to the neighborhood median, the owner could save approximately $11,840 per year in property taxes based on the Harris County effective tax rate.

In this neighborhood, 95% of protests resulted in a reduction, with a median reduction of $44,806.

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

$11,840

Year 2

$23,680

Year 3

$35,520

That’s a 725× return on $49

Get your protest packet

One-time fee · No recurring charges · You keep 100% of your savings

Secure checkout via Stripe · 7-day money-back guarantee

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

See more properties in Castlerock & Grand Valley area, Houston 77090 · Houston neighborhoods