Margarita & Los Alamos area, Round Rock 78665

CAD Neighborhood R491607C

Property tax protest data for the Margarita & Los Alamos area, Round Rock 78665 (Neighborhood R491607C) in Williamson County. 431 homes, $202/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
431
Median assessment
$202/sqft
Avg: $204/sqft

Source: WCAD public records, 2024 protest season

What this means for your property

431 homes in this area were assessed at a median $202/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 431 others in Margarita & Los Alamos 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
Saturnia & Panzano area, Georgetown 78628 1,068 $202 same
Blanco & Rio Grande area, Hutto 78634 150 $202 same
Autumn Fire & Star Light area, Cedar Park 78613 1,281 $202 same
Saco & Wolf Point area, Leander 78641 10 $202 same
Brandy & Addie area, Georgetown 78628 207 $203 same

Neighborhoods with the closest median $/sq ft to Margarita & Los Alamos area, Round Rock 78665.

Top flagged properties in Margarita & Los Alamos area, Round Rock 78665

Address % Above $/Sqft Est. Savings
3300 NUNEZ CT, ROUND ROCK, TX 78665 29% $261 $4,256
2820 LOS ALAMOS CT, ROUND ROCK, TX 78665 20% $243 $2,147
3008 COLUMBUS LOOP, ROUND ROCK, TX 78665 19% $241 $1,704
3348 AMERIGO PL, ROUND ROCK, TX 78665 17% $237 $1,499
3317 MAGELLAN CT, ROUND ROCK, TX 78665 15% $233 $1,911

Properties assessed highest above the neighborhood median.