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2858 SOUTHAMPTON WAY #A, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed4 bath2,410 sqftBuilt 1999

Property at a Glance

This home is estimated between $494,292 and $557,129, with a best estimate of $494,292. That places the property above the R450X - Round Rock East - Duplex median of $355,449, in a neighborhood that declined 8.7% over the past year.

Estimated Value Range

$494,292 $557,129
Best Estimate
$494,292
WCAD Value
$475,411
High Confidence

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

Based on 5 comparable properties in R450X - Round Rock East - Duplex, this home's estimated market value is between $494,292 and $557,129. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

2878 SOUTHAMPTON WAY ##B, ROUND ROCK, TX 78664
0.05 mi 99% similar Same subdivision
6 bed 8 bath 2,192 sqft Built 1999
Raw Value $514,769
Adjusted Value $557,129

Adjusted +$42,360 for 218 sqft more living space. Net adjustment: +$42,360.

2703 WESTHAMPTON CT #A, ROUND ROCK, TX 78664
0.03 mi 93% similar Same subdivision
6 bed 4 bath 1,265 sqft Built 1999
Raw Value $271,804
Adjusted Value $494,292

Adjusted +$222,488 for 1,145 sqft more living space. Net adjustment: +$222,488.

2703 WESTHAMPTON CT #B, ROUND ROCK, TX 78664
0.03 mi 93% similar Same subdivision
6 bed 4 bath 1,265 sqft Built 1999
Raw Value $271,804
Adjusted Value $494,292

Adjusted +$222,488 for 1,145 sqft more living space. Net adjustment: +$222,488.

2859 SOUTHAMPTON WAY #B, ROUND ROCK, TX 78664
0.03 mi 93% similar Same subdivision
6 bed 4 bath 1,265 sqft Built 1999
Raw Value $271,804
Adjusted Value $494,292

Adjusted +$222,488 for 1,145 sqft more living space. Net adjustment: +$222,488.

2859 SOUTHAMPTON WAY #A, ROUND ROCK, TX 78664
0.03 mi 93% similar Same subdivision
6 bed 4 bath 1,265 sqft Built 1999
Raw Value $271,804
Adjusted Value $494,292

Adjusted +$222,488 for 1,145 sqft more living space. Net adjustment: +$222,488.

The Neighborhood

This home is valued 33.7% above the R450X - Round Rock East - Duplex median of $355,449. With 836 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 8.7% over the past year.

R450X - Round Rock East - Duplex

above average
836 Properties
$355,449 Median Value
-8.7% YoY Change
0% Have Pool
84% Have Garage
This Home
$475,411
Median
$355,449

This home is +33.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,554 across all districts. With a homestead exemption claimed, that drops to $7,216 — saving $1,338 per year. That's $601 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%$4,246
Round RockCity0.3720%$1,769
Williamson CountyCounty0.3694%$1,756
Austin Community Collegespecial0.1034%$492
Williamson County FM/RdCounty0.0443%$211
Upper Brushy Creek WCIDWater0.0170%$81
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$8,554

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $494,292 would pay approximately $3,085 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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