Is Centennial & Expedition area, Round Rock 78665 likely to have a protest opportunity?

Williamson County data shows 202 homes in this neighborhood group. 54% protest success rate. 85,033 county-wide protests (2024).

How do I file the protest in this neighborhood?

Use WCAD Property Owner Portal, keep files from this neighborhood packet, and file before the May 15 deadline.

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.

Centennial & Expedition area, Round Rock 78665 — Williamson County Property Tax Protest

Property tax protest data for the Centennial & Expedition area, Round Rock 78665 (Neighborhood R534516C) in Williamson County. 202 homes, $210/sqft median.

What this means for your property

202 homes in this area were assessed at a median $210/sqft. With a 54% protest success rate, most homeowners who challenged their assessment received a reduction. If your home is assessed higher than comparable properties, you likely have grounds to protest. An evidence packet shows exactly how your assessment compares — with the specific comps and data you'd present at a hearing.

What's in the evidence packet?

5 comparable properties matched to your home, an assessment gap analysis showing where your value exceeds comps, a filing checklist for WCAD, and a hearing script you can read at your informal hearing.

How does the protest process work?

You file a protest with WCAD (online via WCAD Property Owner Portal), attend an informal hearing where you present your evidence, and most cases settle right there. The evidence packet gives you everything you need for that hearing.

What's the deadline?

The protest deadline for Williamson County is May 15. You must file before this date to protest your 2026 assessment.

Check your property

See how your home compares to 202 others in Centennial & Expedition area, Round Rock 78665

$49 flat fee · No recurring fees — you keep 100% · 7-day money-back guarantee

What's in your evidence packet

✓ 5 comparable properties matched to your home

✓ Assessment gap analysis with dollar amounts

✓ Williamson County filing checklist

✓ Hearing script you can read word-for-word

✓ Comparable sales grid (PDF)

✓ Step-by-step WCAD Property Owner Portal walkthrough

Compare similar neighborhoods in Williamson County

Neighborhood	Homes	Median $/Sq Ft	Win Rate
Zacarias & Bonavista area, Leander 78641	227	$210 same	—
Osage & Sioux area, Leander 78641	257	$210 same	—
Adams & Highknoll area, Georgetown 78628	121	$210 same	—
Royal Troon & Royal Port Rush area, Round Rock 78664	201	$210 same	—
Blue Agave & Scenic Lake area, Georgetown 78626	678	$210 same	—

Neighborhoods with the closest median $/sq ft to Centennial & Expedition area, Round Rock 78665.

Top flagged properties in Centennial & Expedition area, Round Rock 78665

Address	% Above	$/Sqft	Est. Savings
808 EXPEDITION WAY, ROUND ROCK, TX 78665	21%	$254	$2,414
2348 OX WAGON TRL, ROUND ROCK, TX 78665	20%	$253	$2,324
2304 CENTENNIAL LOOP, ROUND ROCK, TX 78665	15%	$242	$1,268
840 EXPEDITION WAY, ROUND ROCK, TX 78665	15%	$242	$1,701

Properties assessed highest above the neighborhood median.