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2878 SOUTHAMPTON WAY #B, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed4 bath547 sqftBuilt 1999

Property at a Glance

This home is estimated between $275,339 and $300,999, with a best estimate of $276,643. 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

$275,339 $300,999
Best Estimate
$276,643
WCAD Value
$293,228
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 $275,339 and $300,999. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

2878 SOUTHAMPTON WAY #A, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 4 bath 548 sqft Built 1999
Raw Value $301,193
Adjusted Value $300,999

Adjusted -$194 for 1 sqft less living space. Net adjustment: -$194.

2874 SOUTHAMPTON WAY #A, ROUND ROCK, TX 78664
0.02 mi 100% similar Same subdivision
4 bed 4 bath 548 sqft Built 1999
Raw Value $285,397
Adjusted Value $285,203

Adjusted -$194 for 1 sqft less living space. Net adjustment: -$194.

2874 SOUTHAMPTON WAY #B, ROUND ROCK, TX 78664
0.02 mi 100% similar Same subdivision
4 bed 4 bath 548 sqft Built 1999
Raw Value $275,533
Adjusted Value $275,339

Adjusted -$194 for 1 sqft less living space. Net adjustment: -$194.

2706 WESTHAMPTON CT #B, ROUND ROCK, TX 78664
0.03 mi 100% similar Same subdivision
4 bed 4 bath 531 sqft Built 1999
Raw Value $273,534
Adjusted Value $276,643

Adjusted +$3,109 for 16 sqft more living space. Net adjustment: +$3,109.

2706 WESTHAMPTON CT #A, ROUND ROCK, TX 78664
0.03 mi 100% similar Same subdivision
4 bed 4 bath 531 sqft Built 1999
Raw Value $273,534
Adjusted Value $276,643

Adjusted +$3,109 for 16 sqft more living space. Net adjustment: +$3,109.

The Neighborhood

This home is valued 17.5% 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
$293,228
Median
$355,449

This home is -17.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,276 across all districts. With a homestead exemption claimed, that drops to $3,971 — saving $1,305 per year. That's $331 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%$2,619
Round RockCity0.3720%$1,091
Williamson CountyCounty0.3694%$1,083
Austin Community Collegespecial0.1034%$303
Williamson County FM/RdCounty0.0443%$130
Upper Brushy Creek WCIDWater0.0170%$50
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,276

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $276,643 would pay approximately $1,727 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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