Sansone area, Round Rock 78665

CAD Neighborhood R421612B

Property tax protest data for the Sansone area, Round Rock 78665 (Neighborhood R421612B) in Williamson County. 36 homes, $247/sqft median.

Moderate protest signal
54% success rate · Reductions above average
What protesters saved
$12,573
County-wide avg. per successful protest (2024)
Protest success rate
54%
Based on 85,033 county-wide protests (2024)
Homes analyzed
36
Median assessment
$247/sqft
Avg: $258/sqft

Source: WCAD public records, 2024 protest season

What this means for your property

36 homes in this area were assessed at a median $247/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 36 others in Sansone area, Round Rock 78665

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

📅 Deadline: May 15, 2026 (41 days left) Full refund if unused 🔒 Secure checkout 🛡 No risk — filing can’t raise your taxes

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
In Williamson County, 85,033 property owners protested last year. 54% received a reduction.

Compare similar neighborhoods in Williamson County

Neighborhood Homes Median $/Sq Ft Win Rate
Windmill Ranch & Cr 245 area, Georgetown 78633 146 $247 same
Camp Comfort & Tyburn area, Austin 78717 182 $247 same
Hidden Meadow & Lois area, Austin 78750 57 $247 +$0.6
Double File & San Gabriel area, Liberty Hill 78642 195 $247 +$0.8
Cascada & Adelanta area, Round Rock 78681 190 $246 -$1.1

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

Top flagged properties in Sansone area, Round Rock 78665

Address % Above $/Sqft Est. Savings
4403 SANSONE DR, ROUND ROCK, TX 78665 31% $322 $7,163
4408 SANSONE DR, ROUND ROCK, TX 78665 28% $316 $5,181
4511 SANSONE DR, ROUND ROCK, TX 78665 24% $307 $5,180
4512 SANSONE DR, ROUND ROCK, TX 78665 24% $305 $4,311
4407 SANSONE DR, ROUND ROCK, TX 78665 23% $304 $5,564

Properties assessed highest above the neighborhood median.