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3811 POWDER HORN DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,696 sqftBuilt 1981

Property at a Glance

This home is estimated between $330,511 and $453,346, with a best estimate of $351,584. 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

$330,511 $453,346
Best Estimate
$351,584
WCAD Value
$304,364
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 $330,511 and $453,346. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

807 POWDER HORN DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,340 sqft Built 1983
Raw Value $276,404
Adjusted Value $352,586

Adjusted +$79,395 for 356 sqft more living space and -$3,213 for being older. Net adjustment: +$76,182.

907 POWDER HORN DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,406 sqft Built 1978
Raw Value $282,088
Adjusted Value $351,584

Adjusted +$64,676 for 290 sqft more living space and +$4,820 for being newer. Net adjustment: +$69,496.

903 POWDER HORN DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,531 sqft Built 1978
Raw Value $288,893
Adjusted Value $330,511

Adjusted +$36,798 for 165 sqft more living space and +$4,820 for being newer. Net adjustment: +$41,618.

909 POWDER HORN DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,199 sqft Built 1981
Raw Value $342,505
Adjusted Value $453,346

Adjusted +$110,841 for 497 sqft more living space. Net adjustment: +$110,841.

1001 POWDER HORN DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
2 bed 2 bath 1,455 sqft Built 1979
Raw Value $298,012
Adjusted Value $349,371

Adjusted +$53,748 for 241 sqft more living space and +$3,213 for being newer and -$5,602 for no pool. Net adjustment: +$51,359.

The Neighborhood

This home is valued 2.6% 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
$304,364
Median
$296,542

This home is +2.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $5,826 across all districts. With a homestead exemption claimed, that drops to $4,519 — saving $1,307 per year. That's $377 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%$2,718
Brushy Creek MUDMUD0.3868%$1,177
Williamson CountyCounty0.3694%$1,124
Austin Community Collegespecial0.1034%$315
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$304
Williamson County FM/RdCounty0.0443%$135
Upper Brushy Creek WCIDWater0.0170%$52
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$5,826

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $351,584 would pay approximately $2,195 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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