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1820 RED ROCK DR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed2 bath1,328 sqftBuilt 1995

Property at a Glance

This home is estimated between $184,688 and $445,010, with a best estimate of $349,879. That places the property below the R588507E - SHADOW POINTE median of $381,419, in a neighborhood that declined 5.0% over the past year.

Estimated Value Range

$184,688 $445,010
Best Estimate
$349,879
WCAD Value
$417,777
High Confidence

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

Based on 5 comparable properties in R588507E - SHADOW POINTE, this home's estimated market value is between $184,688 and $445,010. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1862 RED ROCK DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,811 sqft Built 1999
Raw Value $349,286
Adjusted Value $210,733

Adjusted -$146,544 for 483 sqft less living space and +$7,991 for being newer. Net adjustment: -$138,553.

1815 RED ROCK DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,676 sqft Built 1996
Raw Value $453,466
Adjusted Value $349,879

Adjusted -$105,585 for 348 sqft less living space and +$1,998 for being newer. Net adjustment: -$103,587.

1901 RED ROCK DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,869 sqft Built 1994
Raw Value $350,828
Adjusted Value $184,688

Adjusted -$164,142 for 541 sqft less living space and -$1,998 for being older. Net adjustment: -$166,140.

1833 RED ROCK DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,352 sqft Built 1996
Raw Value $422,926
Adjusted Value $417,642

Adjusted -$7,282 for 24 sqft less living space and +$1,998 for being newer. Net adjustment: -$5,284.

1825 RED ROCK DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,442 sqft Built 1998
Raw Value $473,604
Adjusted Value $445,010

Adjusted -$34,588 for 114 sqft less living space and +$5,994 for being newer. Net adjustment: -$28,594.

The Neighborhood

This home is valued 9.5% above the R588507E - SHADOW POINTE median of $381,419. With 812 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 5.0% over the past year.

R588507E - SHADOW POINTE

typical
812 Properties
$381,419 Median Value
-5.0% YoY Change
1% Have Pool
100% Have Garage
This Home
$417,777
Median
$381,419

This home is +9.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $7,517 across all districts. With a homestead exemption claimed, that drops to $6,189 — saving $1,328 per year. That's $516 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%$3,731
Round RockCity0.3720%$1,554
Williamson CountyCounty0.3694%$1,543
Austin Community Collegespecial0.1034%$432
Williamson County FM/RdCounty0.0443%$185
Upper Brushy Creek WCIDWater0.0170%$71
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$7,517

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $349,879 would pay approximately $2,184 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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