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1821 RED ROCK DR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed2 bath997 sqftBuilt 1998

Property at a Glance

This home is estimated between $243,458 and $338,589, with a best estimate of $311,221. 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

$243,458 $338,589
Best Estimate
$311,221
WCAD Value
$379,012
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 $243,458 and $338,589. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

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 $243,458

Adjusted -$206,012 for 679 sqft less living space and -$3,996 for being older. Net adjustment: -$210,008.

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 $311,221

Adjusted -$107,709 for 355 sqft less living space and -$3,996 for being older. Net adjustment: -$111,705.

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 $338,589

Adjusted -$135,015 for 445 sqft less living space. Net adjustment: -$135,015.

1852 RED ROCK DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,335 sqft Built 1994
Raw Value $398,536
Adjusted Value $287,994

Adjusted -$102,551 for 338 sqft less living space and -$7,991 for being older. Net adjustment: -$110,542.

1817 RED ROCK DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,239 sqft Built 1997
Raw Value $413,902
Adjusted Value $338,480

Adjusted -$73,424 for 242 sqft less living space and -$1,998 for being older. Net adjustment: -$75,422.

The Neighborhood

This home is in line with the R588507E - SHADOW POINTE median of $381,419. 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
$379,012
Median
$381,419

This home is -0.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,819 across all districts. With a homestead exemption claimed, that drops to $5,499 — saving $1,320 per year. That's $458 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%$3,385
Round RockCity0.3720%$1,410
Williamson CountyCounty0.3694%$1,400
Austin Community Collegespecial0.1034%$392
Williamson County FM/RdCounty0.0443%$168
Upper Brushy Creek WCIDWater0.0170%$64
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,819

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $311,221 would pay approximately $1,943 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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