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20 COUNTRY DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed3 bath2,139 sqftBuilt 1983

Property at a Glance

This home is estimated between $389,447 and $915,660, with a best estimate of $574,500. That places the property below the R575583D - RR Rual Sub 122 & Gattis School Rd Area median of $734,399, in a neighborhood that appreciated 3.8% over the past year.

Estimated Value Range

$389,447 $915,660
Best Estimate
$574,500
WCAD Value
$711,634
Low Confidence

Based on 5 comparable properties(1 in the same subdivision)

There are 5 comparable properties within range, but few are in R575583D - RR Rual Sub 122 & Gattis School Rd Area. The estimated range of $389,447 and $915,660 should be treated as a rough guide.

Comparable Properties (5)

27 COUNTRY DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,570 sqft Built 1983
Raw Value $732,536
Adjusted Value $915,660

Adjusted +$183,124 for 569 sqft more living space. Net adjustment: +$183,124.

4 bed 3 bath 1,819 sqft Built 1993
Raw Value $805,417
Adjusted Value $908,530

Adjusted +$102,987 for 320 sqft more living space and +$126 for being newer. Net adjustment: +$103,113.

3 bed 2 bath 2,056 sqft Built 1985
Raw Value $362,710
Adjusted Value $389,447

Adjusted +$26,712 for 83 sqft more living space and +$25 for being newer. Net adjustment: +$26,737.

4 bed 4 bath 2,292 sqft Built 1997
Raw Value $456,372
Adjusted Value $407,307

Adjusted -$49,241 for 153 sqft less living space and +$176 for being newer. Net adjustment: -$49,065.

3 bed 2 bath 1,934 sqft Built 1986
Raw Value $508,486
Adjusted Value $574,500

Adjusted +$65,976 for 205 sqft more living space and +$38 for being newer. Net adjustment: +$66,014.

The Neighborhood

This home is valued 3.1% below the R575583D - RR Rual Sub 122 & Gattis School Rd Area median of $734,399. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 3.8% over the past year.

R575583D - RR Rual Sub 122 & Gattis School Rd Area

typical
213 Properties
$734,399 Median Value
+3.8% YoY Change
4% Have Pool
68% Have Garage
This Home
$711,634
Median
$734,399

This home is -3.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $10,868 across all districts. With a homestead exemption claimed, that drops to $9,486 — saving $1,382 per year. That's $791 per month a buyer should budget. The assessed value increased +13.5% vs the subdivision average of +3.8%. This above-average increase gives a protest opportunity score of 79 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$6,356
Williamson CountyCounty0.3694%$2,629
Austin Community Collegespecial0.1034%$736
Williamson County ESD #9 - Round RockESD0.0999%$711
Williamson County FM/RdCounty0.0443%$315
Upper Brushy Creek WCIDWater0.0170%$121
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$10,868
79 / 100

There may be a strong case to protest this appraisal.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $574,500 would pay approximately $3,586 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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