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3813 POWDER HORN DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2,722 sqftBuilt 2019

Property at a Glance

This home is estimated between $489,944 and $1,111,775, with a best estimate of $787,606. 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

$489,944 $1,111,775
Best Estimate
$787,606
WCAD Value
$504,114
Low Confidence

Based on 5 comparable properties(1 in the same subdivision)

There are 5 comparable properties within range, but few are in R210480H - Brushy Creek. The estimated range of $489,944 and $1,111,775 should be treated as a rough guide.

Comparable Properties (5)

3903 POWDER HORN DR, ROUND ROCK, TX 78681
0.00 mi 92% similar Same subdivision
3 bed 2 bath 2,439 sqft Built 1979
Raw Value $376,316
Adjusted Value $503,698

Adjusted +$63,115 for 283 sqft more living space and +$64,267 for being newer. Net adjustment: +$127,382.

3 bed 2 bath 2,602 sqft Built 1995
Raw Value $739,691
Adjusted Value $805,013

Adjusted +$26,762 for 120 sqft more living space and +$38,560 for being newer. Net adjustment: +$65,322.

4 bed 2 bath 2,982 sqft Built 1999
Raw Value $515,796
Adjusted Value $489,944

Adjusted -$57,985 for 260 sqft less living space and +$32,133 for being newer. Net adjustment: -$25,852.

3 bed 2 bath 2,898 sqft Built 1978
Raw Value $1,085,153
Adjusted Value $1,111,775

Adjusted -$39,251 for 176 sqft less living space and +$65,873 for being newer. Net adjustment: +$26,622.

4 bed 3 bath 2,284 sqft Built 1996
Raw Value $652,970
Adjusted Value $787,606

Adjusted +$97,683 for 438 sqft more living space and +$36,953 for being newer. Net adjustment: +$134,636.

The Neighborhood

This home is valued 70.0% 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

outlier high
871 Properties
$296,542 Median Value
-14.6% YoY Change
2% Have Pool
94% Have Garage
This Home
$504,114
Median
$296,542

This home is +70.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,649 across all districts. With a homestead exemption claimed, that drops to $8,306 — saving $1,343 per year. That's $692 per month a buyer should budget. The assessed value increased -3.3% vs the subdivision average of -14.6%. This above-average increase gives a protest opportunity score of 50 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,502
Brushy Creek MUDMUD0.3868%$1,950
Williamson CountyCounty0.3694%$1,862
Austin Community Collegespecial0.1034%$521
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$504
Williamson County FM/RdCounty0.0443%$223
Upper Brushy Creek WCIDWater0.0170%$86
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$9,649
50 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $787,606 would pay approximately $4,916 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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