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3 OLD OAKS DR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,554 sqftBuilt 1984

Property at a Glance

This home is estimated between $154,542 and $506,718, with a best estimate of $393,543. 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

$154,542 $506,718
Best Estimate
$393,543
WCAD Value
$1,104,278
Medium Confidence

Based on 5 comparable properties(3 in the same subdivision)

Based on 5 comparable properties (3 in the same subdivision, 2 nearby), the estimated range is $154,542 and $506,718. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

4 OLD OAKS DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,331 sqft Built 1978
Raw Value $643,684
Adjusted Value $393,543

Adjusted -$250,066 for 777 sqft less living space and -$75 for being older. Net adjustment: -$250,141.

3 bed 2 bath 1,146 sqft Built 2001
Raw Value $347,647
Adjusted Value $479,170

Adjusted +$131,309 for 408 sqft more living space and +$214 for being newer. Net adjustment: +$131,523.

2 OLD OAKS DR, ROUND ROCK, TX 78665
0.00 mi 89% similar Same subdivision
3 bed 3 bath 3,348 sqft Built 1978
Raw Value $735,008
Adjusted Value $157,562

Adjusted -$577,371 for 1,794 sqft less living space and -$75 for being older. Net adjustment: -$577,446.

13 OLD OAKS DR, ROUND ROCK, TX 78665
0.00 mi 88% similar Same subdivision
3 bed 3 bath 3,713 sqft Built 1980
Raw Value $849,433
Adjusted Value $154,542

Adjusted -$694,841 for 2,159 sqft less living space and -$50 for being older. Net adjustment: -$694,891.

3 bed 2 bath 976 sqft Built 2001
Raw Value $320,484
Adjusted Value $506,718

Adjusted +$186,020 for 578 sqft more living space and +$214 for being newer. Net adjustment: +$186,234.

The Neighborhood

This home is valued 50.4% above the R575583D - RR Rual Sub 122 & Gattis School Rd Area median of $734,399. With 213 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 3.8% over the past year.

R575583D - RR Rual Sub 122 & Gattis School Rd Area

outlier high
213 Properties
$734,399 Median Value
+3.8% YoY Change
4% Have Pool
68% Have Garage
This Home
$1,104,278
Median
$734,399

This home is +50.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $14,252 across all districts. With a homestead exemption claimed, that drops to $12,829 — saving $1,423 per year. That's $1,069 per month a buyer should budget. The assessed value increased +30.2% 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%$8,334
Williamson CountyCounty0.3694%$3,448
Austin Community Collegespecial0.1034%$965
Williamson County ESD #9 - Round RockESD0.0999%$932
Williamson County FM/RdCounty0.0443%$414
Upper Brushy Creek WCIDWater0.0170%$159
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$14,252
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 $393,543 would pay approximately $2,456 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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