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

2138 GREEN OAKS CIR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed2 bath1,297 sqftBuilt 1994

Property at a Glance

This home is estimated between $221,522 and $489,638, with a best estimate of $448,743. That places the property above the R426593E - Apache Oaks median of $403,118, in a neighborhood that declined 7.8% over the past year.

Estimated Value Range

$221,522 $489,638
Best Estimate
$448,743
WCAD Value
$433,671
High Confidence

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

Based on 5 comparable properties in R426593E - Apache Oaks, this home's estimated market value is between $221,522 and $489,638. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

2109 GREEN OAKS CIR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,988 sqft Built 1994
Raw Value $430,328
Adjusted Value $221,522

Adjusted -$208,806 for 691 sqft less living space. Net adjustment: -$208,806.

2133 GREEN OAKS CIR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 966 sqft Built 1995
Raw Value $390,271
Adjusted Value $489,638

Adjusted +$100,021 for 331 sqft more living space and -$654 for being older. Net adjustment: +$99,367.

2108 GREEN OAKS CIR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,019 sqft Built 1994
Raw Value $373,731
Adjusted Value $457,737

Adjusted +$84,006 for 278 sqft more living space. Net adjustment: +$84,006.

2107 GREEN OAKS CIR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,646 sqft Built 1994
Raw Value $421,000
Adjusted Value $315,539

Adjusted -$105,461 for 349 sqft less living space. Net adjustment: -$105,461.

2140 GREEN OAKS CIR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,188 sqft Built 1993
Raw Value $415,151
Adjusted Value $448,743

Adjusted +$32,938 for 109 sqft more living space and +$654 for being newer. Net adjustment: +$33,592.

The Neighborhood

This home is valued 7.6% above the R426593E - Apache Oaks median of $403,118. With 52 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 7.8% over the past year.

R426593E - Apache Oaks

typical
52 Properties
$403,118 Median Value
-7.8% YoY Change
0% Have Pool
100% Have Garage
This Home
$433,671
Median
$403,118

This home is +7.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $7,803 across all districts. With a homestead exemption claimed, that drops to $6,472 — saving $1,331 per year. That's $539 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%$3,873
Round RockCity0.3720%$1,613
Williamson CountyCounty0.3694%$1,602
Austin Community Collegespecial0.1034%$448
Williamson County FM/RdCounty0.0443%$192
Upper Brushy Creek WCIDWater0.0170%$74
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$7,803

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $448,743 would pay approximately $2,801 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