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3815 POWDER HORN DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,433 sqftBuilt 1979

Property at a Glance

This home is estimated between $268,644 and $391,479, with a best estimate of $289,717. 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

$268,644 $391,479
Best Estimate
$289,717
WCAD Value
$284,219
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 $268,644 and $391,479. 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 $290,718

Adjusted +$20,741 for 93 sqft more living space and -$6,427 for being older. Net adjustment: +$14,314.

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 $289,717

Adjusted +$6,022 for 27 sqft more living space and +$1,607 for being newer. Net adjustment: +$7,629.

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 $268,644

Adjusted -$21,856 for 98 sqft less living space and +$1,607 for being newer. Net adjustment: -$20,249.

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 $391,479

Adjusted +$52,187 for 234 sqft more living space and -$3,213 for being older. Net adjustment: +$48,974.

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 $287,504

Adjusted -$4,906 for 22 sqft less living space and -$5,602 for no pool. Net adjustment: -$10,508.

The Neighborhood

This home is valued 4.2% 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
$284,219
Median
$296,542

This home is -4.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,440 across all districts. With a homestead exemption claimed, that drops to $4,137 — saving $1,303 per year. That's $345 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%$2,538
Brushy Creek MUDMUD0.3868%$1,099
Williamson CountyCounty0.3694%$1,050
Austin Community Collegespecial0.1034%$294
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$284
Williamson County FM/RdCounty0.0443%$126
Upper Brushy Creek WCIDWater0.0170%$48
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$5,440

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $289,717 would pay approximately $1,808 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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