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3915 STONEY HILL, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,468 sqftBuilt 1979

Property at a Glance

This home is estimated between $260,425 and $409,390, with a best estimate of $299,372. That places the property above the R210480H - Brushy Creek median of $296,542, in a neighborhood that declined 14.6% over the past year.

Estimated Value Range

$260,425 $409,390
Best Estimate
$299,372
WCAD Value
$333,901
High Confidence

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

Based on 5 comparable properties in R210480H - Brushy Creek, this home's estimated market value is between $260,425 and $409,390. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

907 SPRING TREE, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,384 sqft Built 1979
Raw Value $283,290
Adjusted Value $302,024

Adjusted +$18,734 for 84 sqft more living space. Net adjustment: +$18,734.

911 SPRING TREE, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,593 sqft Built 1978
Raw Value $286,695
Adjusted Value $260,425

Adjusted -$27,877 for 125 sqft less living space and +$1,607 for being newer. Net adjustment: -$26,270.

4009 STONEY HILL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,322 sqft Built 1979
Raw Value $266,811
Adjusted Value $299,372

Adjusted +$32,561 for 146 sqft more living space. Net adjustment: +$32,561.

1001 SPRING TREE, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,200 sqft Built 1980
Raw Value $351,228
Adjusted Value $409,390

Adjusted +$59,769 for 268 sqft more living space and -$1,607 for being older. Net adjustment: +$58,162.

805 SPRING TREE, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,503 sqft Built 1978
Raw Value $279,078
Adjusted Value $272,879

Adjusted -$7,806 for 35 sqft less living space and +$1,607 for being newer. Net adjustment: -$6,199.

The Neighborhood

This home is valued 12.6% above the R210480H - Brushy Creek median of $296,542. With 871 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 14.6% over the past year.

R210480H - Brushy Creek

typical
871 Properties
$296,542 Median Value
-14.6% YoY Change
2% Have Pool
94% Have Garage
This Home
$333,901
Median
$296,542

This home is +12.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,391 across all districts. With a homestead exemption claimed, that drops to $5,079 — saving $1,312 per year. That's $423 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%$2,982
Brushy Creek MUDMUD0.3868%$1,292
Williamson CountyCounty0.3694%$1,234
Austin Community Collegespecial0.1034%$345
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$334
Williamson County FM/RdCounty0.0443%$148
Upper Brushy Creek WCIDWater0.0170%$57
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$6,391

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $299,372 would pay approximately $1,869 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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