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

1815 RED ROCK DR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed2 bath1,676 sqftBuilt 1996

Property at a Glance

This home is estimated between $286,186 and $548,597, with a best estimate of $314,320. 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

$286,186 $548,597
Best Estimate
$314,320
WCAD Value
$453,466
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 $286,186 and $548,597. 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 $314,320

Adjusted -$40,960 for 135 sqft less living space and +$5,994 for being newer. Net adjustment: -$34,966.

1834 RED ROCK DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,062 sqft Built 1999
Raw Value $397,306
Adjusted Value $286,186

Adjusted -$117,114 for 386 sqft less living space and +$5,994 for being newer. Net adjustment: -$111,120.

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 $288,275

Adjusted -$58,557 for 193 sqft less living space and -$3,996 for being older. Net adjustment: -$62,553.

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 $521,229

Adjusted +$98,303 for 324 sqft more living space. Net adjustment: +$98,303.

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 $548,597

Adjusted +$70,997 for 234 sqft more living space and +$3,996 for being newer. Net adjustment: +$74,993.

The Neighborhood

This home is valued 18.9% 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

above average
812 Properties
$381,419 Median Value
-5.0% YoY Change
1% Have Pool
100% Have Garage
This Home
$453,466
Median
$381,419

This home is +18.9% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,159 across all districts. With a homestead exemption claimed, that drops to $6,825 — saving $1,334 per year. That's $569 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%$4,050
Round RockCity0.3720%$1,687
Williamson CountyCounty0.3694%$1,675
Austin Community Collegespecial0.1034%$469
Williamson County FM/RdCounty0.0443%$201
Upper Brushy Creek WCIDWater0.0170%$77
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$8,159

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $314,320 would pay approximately $1,962 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