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

2880 SOUTHAMPTON WAY #B, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

6 bed4 bath1,190 sqftBuilt 1999

Property at a Glance

This home is estimated between $265,046 and $266,615, with a best estimate of $265,957. That places the property below the R450X - Round Rock East - Duplex median of $355,449, in a neighborhood that declined 8.7% over the past year.

Estimated Value Range

$265,046 $266,615
Best Estimate
$265,957
WCAD Value
$263,555
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 $265,046 and $266,615. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

2880 SOUTHAMPTON WAY #A, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
6 bed 4 bath 1,190 sqft Built 1999
Raw Value $266,615
Adjusted Value $266,615

This comparable closely matches the subject property's features.

2881 SOUTHAMPTON WAY #B, ROUND ROCK, TX 78664
0.02 mi 100% similar Same subdivision
6 bed 4 bath 1,181 sqft Built 1999
Raw Value $263,297
Adjusted Value $265,046

Adjusted +$1,749 for 9 sqft more living space. Net adjustment: +$1,749.

2881 SOUTHAMPTON WAY #A, ROUND ROCK, TX 78664
0.02 mi 100% similar Same subdivision
6 bed 4 bath 1,181 sqft Built 1999
Raw Value $264,208
Adjusted Value $265,957

Adjusted +$1,749 for 9 sqft more living space. Net adjustment: +$1,749.

2812 SOUTHAMPTON WAY #B, ROUND ROCK, TX 78664
0.02 mi 100% similar Same subdivision
6 bed 4 bath 1,181 sqft Built 1999
Raw Value $263,297
Adjusted Value $265,046

Adjusted +$1,749 for 9 sqft more living space. Net adjustment: +$1,749.

2812 SOUTHAMPTON WAY #A, ROUND ROCK, TX 78664
0.02 mi 100% similar Same subdivision
6 bed 4 bath 1,181 sqft Built 1999
Raw Value $264,208
Adjusted Value $265,957

Adjusted +$1,749 for 9 sqft more living space. Net adjustment: +$1,749.

The Neighborhood

This home is valued 25.9% below the R450X - Round Rock East - Duplex median of $355,449. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 8.7% over the past year.

R450X - Round Rock East - Duplex

below average
836 Properties
$355,449 Median Value
-8.7% YoY Change
0% Have Pool
84% Have Garage
This Home
$263,555
Median
$355,449

This home is -25.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $4,742 across all districts. With a homestead exemption claimed, that drops to $3,443 — saving $1,299 per year. That's $287 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%$2,354
Round RockCity0.3720%$980
Williamson CountyCounty0.3694%$974
Austin Community Collegespecial0.1034%$273
Williamson County FM/RdCounty0.0443%$117
Upper Brushy Creek WCIDWater0.0170%$45
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$4,742

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $265,957 would pay approximately $1,660 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