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4519 SANSONE DR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath3,656 sqftBuilt 2018

Property at a Glance

This home is estimated between $792,118 and $1,251,976, with a best estimate of $1,004,608. 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

$792,118 $1,251,976
Best Estimate
$1,004,608
WCAD Value
$906,302
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R421612B - TERAVISTA GATED. The estimated range of $792,118 and $1,251,976 should be treated as a rough guide.

Comparable Properties (5)

4 bed 3 bath 2,470 sqft Built 2013
Raw Value $828,410
Adjusted Value $1,251,976

Adjusted +$423,566 for 1,186 sqft more living space. Net adjustment: +$423,566.

4 bed 2 bath 2,740 sqft Built 2018
Raw Value $464,980
Adjusted Value $792,118

Adjusted +$327,138 for 916 sqft more living space. Net adjustment: +$327,138.

4 bed 3 bath 1,920 sqft Built 2016
Raw Value $384,616
Adjusted Value $1,004,608

Adjusted +$619,992 for 1,736 sqft more living space. Net adjustment: +$619,992.

4 bed 4 bath 2,328 sqft Built 2015
Raw Value $459,370
Adjusted Value $933,649

Adjusted +$474,279 for 1,328 sqft more living space. Net adjustment: +$474,279.

4 bed 3 bath 1,887 sqft Built 2016
Raw Value $423,749
Adjusted Value $1,055,526

Adjusted +$631,777 for 1,769 sqft more living space. Net adjustment: +$631,777.

The Neighborhood

This home is valued 7.9% below the R421612B - TERAVISTA GATED median of $984,146. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 0.5% over the past year.

R421612B - TERAVISTA GATED

typical
36 Properties
$984,146 Median Value
+0.5% YoY Change
0% Have Pool
100% Have Garage
This Home
$906,302
Median
$984,146

This home is -7.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $17,154 across all districts. With a homestead exemption claimed, that drops to $15,737 — saving $1,417 per year. That's $1,311 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%$8,094
Williamson CountyCounty0.3694%$3,348
Williamson County MUD #11MUD0.3656%$3,313
Austin Community Collegespecial0.1034%$937
Williamson County ESD #9 - Round RockESD0.0999%$905
Williamson County FM/RdCounty0.0443%$402
Upper Brushy Creek WCIDWater0.0170%$154
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8928%$17,154

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,004,608 would pay approximately $6,271 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.

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