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3912 STONEY HILL, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,381 sqftBuilt 1979

Property at a Glance

This home is estimated between $241,022 and $389,988, with a best estimate of $279,969. That places the property below the R210480H - Brushy Creek median of $296,542, in a neighborhood that declined 14.6% over the past year.

Estimated Value Range

$241,022 $389,988
Best Estimate
$279,969
WCAD Value
$280,780
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 $241,022 and $389,988. 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 $282,621

Adjusted -$669 for 3 sqft less living space. Net adjustment: -$669.

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 $241,022

Adjusted -$47,280 for 212 sqft less living space and +$1,607 for being newer. Net adjustment: -$45,673.

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 $279,969

Adjusted +$13,158 for 59 sqft more living space. Net adjustment: +$13,158.

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 $389,988

Adjusted +$40,367 for 181 sqft more living space and -$1,607 for being older. Net adjustment: +$38,760.

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 $253,477

Adjusted -$27,208 for 122 sqft less living space and +$1,607 for being newer. Net adjustment: -$25,601.

The Neighborhood

This home is valued 5.3% below the R210480H - Brushy Creek median of $296,542. That positions it competitively for buyers comparing within the neighborhood. 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
$280,780
Median
$296,542

This home is -5.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,374 across all districts. With a homestead exemption claimed, that drops to $4,072 — saving $1,302 per year. That's $339 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%$2,508
Brushy Creek MUDMUD0.3868%$1,086
Williamson CountyCounty0.3694%$1,037
Austin Community Collegespecial0.1034%$290
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$281
Williamson County FM/RdCounty0.0443%$124
Upper Brushy Creek WCIDWater0.0170%$48
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$5,374

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $279,969 would pay approximately $1,748 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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