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15 COUNTRY DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath2,460 sqftBuilt 1988

Property at a Glance

This home is estimated between $417,532 and $1,018,906, with a best estimate of $677,746. 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

$417,532 $1,018,906
Best Estimate
$677,746
WCAD Value
$728,563
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 $417,532 and $1,018,906 should be treated as a rough guide.

Comparable Properties (5)

1208 SPRINGRIDGE ST, ROUND ROCK, TX 78664
0.00 mi 99% similar Same subdivision
3 bed 1 bath 2,585 sqft Built 1972
Raw Value $974,650
Adjusted Value $934,220

Adjusted -$40,229 for 125 sqft less living space and -$201 for being older. Net adjustment: -$40,430.

3 bed 2 bath 2,056 sqft Built 1985
Raw Value $362,710
Adjusted Value $492,693

Adjusted +$130,021 for 404 sqft more living space and -$38 for being older. Net adjustment: +$129,983.

3 bed 2 bath 1,934 sqft Built 1986
Raw Value $508,486
Adjusted Value $677,746

Adjusted +$169,285 for 526 sqft more living space and -$25 for being older. Net adjustment: +$169,260.

27 COUNTRY DR, ROUND ROCK, TX 78664
0.00 mi 97% similar Same subdivision
4 bed 2 bath 1,570 sqft Built 1983
Raw Value $732,536
Adjusted Value $1,018,906

Adjusted +$286,433 for 890 sqft more living space and -$63 for being older. Net adjustment: +$286,370.

3 bed 2 bath 2,642 sqft Built 2008
Raw Value $475,854
Adjusted Value $417,532

Adjusted -$58,574 for 182 sqft less living space and +$252 for being newer. Net adjustment: -$58,322.

The Neighborhood

This home is in line with the R575583D - RR Rual Sub 122 & Gattis School Rd Area median of $734,399. 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
$728,563
Median
$734,399

This home is -0.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $11,114 across all districts. With a homestead exemption claimed, that drops to $9,729 — saving $1,385 per year. That's $811 per month a buyer should budget. The assessed value increased +10.1% vs the subdivision average of +3.8%. This above-average increase gives a protest opportunity score of 62 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$6,499
Williamson CountyCounty0.3694%$2,689
Austin Community Collegespecial0.1034%$752
Williamson County ESD #9 - Round RockESD0.0999%$727
Williamson County FM/RdCounty0.0443%$323
Upper Brushy Creek WCIDWater0.0170%$124
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$11,114
62 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $677,746 would pay approximately $4,230 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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