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

803 NANCY DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

Built 1996

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 $1,124,000.

Estimated Value Range

WCAD Appraised Value $1,124,000

Comparable data is not yet available for this property. The Williamson County Appraisal District values it at $1,124,000.

The Neighborhood

This home is valued 56.0% below the R20CP - Rr East Park Bldgs median of $2,554,215. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 0.1% over the past year.

R20CP - Rr East Park Bldgs

outlier low
7 Properties
$2,554,215 Median Value
-0.1% YoY Change
14% Have Pool
0% Have Garage
This Home
$1,124,000
Median
$2,554,215

This home is -56.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $20,224 across all districts. With a homestead exemption claimed, that drops to $18,766 — saving $1,458 per year. That's $1,564 per month a buyer should budget. The assessed value increased roughly in line with the neighborhood, so a tax protest is unlikely to yield significant savings.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$10,038
Round RockCity0.3720%$4,181
Williamson CountyCounty0.3694%$4,153
Austin Community Collegespecial0.1034%$1,162
Williamson County FM/RdCounty0.0443%$498
Upper Brushy Creek WCIDWater0.0170%$191
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$20,224

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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