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21 COUNTRY DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath2,194 sqftBuilt 1983

Property at a Glance

This home is estimated between $407,148 and $933,361, with a best estimate of $592,201. 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

$407,148 $933,361
Best Estimate
$592,201
WCAD Value
$701,618
Low Confidence

Based on 5 comparable properties(2 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 $407,148 and $933,361 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 $933,361

Adjusted +$200,825 for 624 sqft more living space. Net adjustment: +$200,825.

3 bed 2 bath 2,056 sqft Built 1985
Raw Value $362,710
Adjusted Value $407,148

Adjusted +$44,413 for 138 sqft more living space and +$25 for being newer. Net adjustment: +$44,438.

3 bed 2 bath 1,934 sqft Built 1986
Raw Value $508,486
Adjusted Value $592,201

Adjusted +$83,677 for 260 sqft more living space and +$38 for being newer. Net adjustment: +$83,715.

1208 SPRINGRIDGE ST, ROUND ROCK, TX 78664
0.00 mi 98% similar Same subdivision
3 bed 1 bath 2,585 sqft Built 1972
Raw Value $974,650
Adjusted Value $848,675

Adjusted -$125,837 for 391 sqft less living space and -$138 for being older. Net adjustment: -$125,975.

3 bed 2 bath 1,902 sqft Built 1999
Raw Value $364,609
Adjusted Value $458,786

Adjusted +$93,976 for 292 sqft more living space and +$201 for being newer. Net adjustment: +$94,177.

The Neighborhood

This home is valued 4.5% 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
$701,618
Median
$734,399

This home is -4.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,620 across all districts. With a homestead exemption claimed, that drops to $8,254 — saving $1,366 per year. That's $688 per month a buyer should budget. The assessed value increased +22.5% vs the subdivision average of +3.8%. This above-average increase gives a protest opportunity score of 100 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$5,626
Williamson CountyCounty0.3694%$2,327
Austin Community Collegespecial0.1034%$651
Williamson County ESD #9 - Round RockESD0.0999%$629
Williamson County FM/RdCounty0.0443%$279
Upper Brushy Creek WCIDWater0.0170%$107
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$9,620
100 / 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 $592,201 would pay approximately $3,697 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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