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

4407 SANSONE DR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

5 bed4 bath3,200 sqftBuilt 2012

Property at a Glance

This home is estimated between $918,189 and $1,417,144, with a best estimate of $1,174,388. That places the property above the R421612B - TERAVISTA GATED median of $984,146, in a neighborhood that appreciated 0.5% over the past year.

Estimated Value Range

$918,189 $1,417,144
Best Estimate
$1,174,388
WCAD Value
$1,345,367
High Confidence

Based on 5 comparable properties(5 in the same subdivision)

Based on 5 comparable properties in R421612B - TERAVISTA GATED, this home's estimated market value is between $918,189 and $1,417,144. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4409 SANSONE DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
5 bed 4 bath 3,271 sqft Built 2013
Raw Value $1,442,501
Adjusted Value $1,417,144

Adjusted -$25,357 for 71 sqft less living space. Net adjustment: -$25,357.

4405 SANSONE DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
5 bed 4 bath 2,526 sqft Built 2012
Raw Value $933,677
Adjusted Value $1,174,388

Adjusted +$240,711 for 674 sqft more living space. Net adjustment: +$240,711.

4404 SANSONE DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,737 sqft Built 2015
Raw Value $944,566
Adjusted Value $1,109,921

Adjusted +$165,355 for 463 sqft more living space. Net adjustment: +$165,355.

4408 SANSONE DR, ROUND ROCK, TX 78665
0.00 mi 99% similar Same subdivision
4 bed 3 bath 2,530 sqft Built 2017
Raw Value $1,139,047
Adjusted Value $1,378,329

Adjusted +$239,282 for 670 sqft more living space. Net adjustment: +$239,282.

4403 SANSONE DR, ROUND ROCK, TX 78665
0.00 mi 98% similar Same subdivision
4 bed 3 bath 4,319 sqft Built 2014
Raw Value $1,317,826
Adjusted Value $918,189

Adjusted -$399,637 for 1,119 sqft less living space. Net adjustment: -$399,637.

The Neighborhood

This home is valued 36.7% above the R421612B - TERAVISTA GATED median of $984,146. With 36 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 0.5% over the past year.

R421612B - TERAVISTA GATED

above average
36 Properties
$984,146 Median Value
+0.5% YoY Change
0% Have Pool
100% Have Garage
This Home
$1,345,367
Median
$984,146

This home is +36.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $22,862 across all districts. With a homestead exemption claimed, that drops to $21,389 — saving $1,473 per year. That's $1,782 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%$10,787
Williamson CountyCounty0.3694%$4,462
Williamson County MUD #11MUD0.3656%$4,416
Austin Community Collegespecial0.1034%$1,249
Williamson County ESD #9 - Round RockESD0.0999%$1,207
Williamson County FM/RdCounty0.0443%$535
Upper Brushy Creek WCIDWater0.0170%$205
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8928%$22,862

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,174,388 would pay approximately $7,330 per month (principal and interest only, excluding taxes and insurance).

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.

View full property details