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

2105 ST ANDREWS DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed2 bath2,212 sqftBuilt 1995

Property at a Glance

This home is estimated between $673,883 and $903,358, with a best estimate of $708,599. That places the property above the R541693C - FOREST CREEK median of $613,809, in a neighborhood that declined 1.5% over the past year.

Estimated Value Range

$673,883 $903,358
Best Estimate
$708,599
WCAD Value
$508,016
High Confidence

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

Based on 5 comparable properties in R541693C - FOREST CREEK, this home's estimated market value is between $673,883 and $903,358. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

2104 ST ANDREWS DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,035 sqft Built 1995
Raw Value $623,555
Adjusted Value $680,666

Adjusted +$57,111 for 177 sqft more living space. Net adjustment: +$57,111.

2039 ST ANDREWS DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,004 sqft Built 1996
Raw Value $617,581
Adjusted Value $673,883

Adjusted +$67,114 for 208 sqft more living space and -$10,812 for being older. Net adjustment: +$56,302.

2112 ST ANDREWS DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,814 sqft Built 1995
Raw Value $580,179
Adjusted Value $708,599

Adjusted +$128,420 for 398 sqft more living space. Net adjustment: +$128,420.

2049 ST ANDREWS DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,296 sqft Built 1994
Raw Value $754,868
Adjusted Value $738,576

Adjusted -$27,104 for 84 sqft less living space and +$10,812 for being newer. Net adjustment: -$16,292.

2001 ST ANDREWS DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,598 sqft Built 1993
Raw Value $683,618
Adjusted Value $903,358

Adjusted +$198,115 for 614 sqft more living space and +$21,625 for being newer. Net adjustment: +$219,740.

The Neighborhood

This home is valued 17.2% below the R541693C - FOREST CREEK median of $613,809. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 1.5% over the past year.

R541693C - FOREST CREEK

below average
201 Properties
$613,809 Median Value
-1.5% YoY Change
2% Have Pool
100% Have Garage
This Home
$508,016
Median
$613,809

This home is -17.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,141 across all districts. With a homestead exemption claimed, that drops to $7,796 — saving $1,345 per year. That's $650 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%$4,537
Round RockCity0.3720%$1,890
Williamson CountyCounty0.3694%$1,877
Austin Community Collegespecial0.1034%$525
Williamson County FM/RdCounty0.0443%$225
Upper Brushy Creek WCIDWater0.0170%$86
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$9,141

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $708,599 would pay approximately $4,423 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