Beta Williamson County, TX only — data and coverage are limited during early access.

2000 MC NEIL RD, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

Property at a Glance

There are not enough comparable properties nearby to estimate a price range. The Williamson County Appraisal District values this home at $12,920,626.

Estimated Value Range

WCAD Appraised Value $12,920,626

Comparable data is not yet available for this property. The Williamson County Appraisal District values it at $12,920,626.

The Neighborhood

This home is valued 2703.8% above the R301580A - Robinson, Austin White Lime median of $460,832. With 84 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 16.8% over the past year.

R301580A - Robinson, Austin White Lime

outlier high
84 Properties
$460,832 Median Value
-16.8% YoY Change
0% Have Pool
0% Have Garage
This Home
$12,920,626
Median
$460,832

This home is +2703.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $197,322 across all districts. With a homestead exemption claimed, that drops to $193,685 — saving $3,637 per year. That's $16,140 per month a buyer should budget. The assessed value increased -4.0% vs the subdivision average of -16.8%. This above-average increase gives a protest opportunity score of 50 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$115,394
Williamson CountyCounty0.3694%$47,735
Austin Community Collegespecial0.1034%$13,360
Williamson County ESD #9 - Round RockESD0.0999%$12,909
Williamson County FM/RdCounty0.0443%$5,728
Upper Brushy Creek WCIDWater0.0170%$2,197
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$197,322
50 / 100

Moderate opportunity to protest.

Data sourced from Williamson County Appraisal District (WCAD), Texas Education Agency (TEA), and Federal Reserve Economic Data (FRED). Assessment values reflect the appraisal district's estimate, not market sale prices. Report generated 4/18/2026.

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