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900 POWDERHORN DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,358 sqftBuilt 1979

Property at a Glance

This home is estimated between $275,539 and $519,088, with a best estimate of $347,791. 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

$275,539 $519,088
Best Estimate
$347,791
WCAD Value
$354,874
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 $275,539 and $519,088 should be treated as a rough guide.

Comparable Properties (5)

900 SPRING TREE, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
2 bed 2 bath 1,368 sqft Built 1979
Raw Value $350,021
Adjusted Value $347,791

Adjusted -$2,230 for 10 sqft less living space. Net adjustment: -$2,230.

3 bed 2 bath 1,773 sqft Built 1976
Raw Value $400,500
Adjusted Value $312,767

Adjusted -$92,553 for 415 sqft less living space and +$4,820 for being newer. Net adjustment: -$87,733.

3 bed 2 bath 1,220 sqft Built 1998
Raw Value $435,996
Adjusted Value $436,246

Adjusted +$30,777 for 138 sqft more living space and -$30,527 for being older. Net adjustment: +$250.

3 bed 2 bath 2,044 sqft Built 1979
Raw Value $428,530
Adjusted Value $275,539

Adjusted -$152,991 for 686 sqft less living space. Net adjustment: -$152,991.

4 bed 2 bath 1,057 sqft Built 1976
Raw Value $447,139
Adjusted Value $519,088

Adjusted +$67,129 for 301 sqft more living space and +$4,820 for being newer. Net adjustment: +$71,949.

The Neighborhood

This home is valued 19.7% 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

above average
871 Properties
$296,542 Median Value
-14.6% YoY Change
2% Have Pool
94% Have Garage
This Home
$354,874
Median
$296,542

This home is +19.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,793 across all districts. With a homestead exemption claimed, that drops to $5,477 — saving $1,316 per year. That's $456 per month a buyer should budget. The assessed value increased -1.3% 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%$3,169
Brushy Creek MUDMUD0.3868%$1,373
Williamson CountyCounty0.3694%$1,311
Austin Community Collegespecial0.1034%$367
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$355
Williamson County FM/RdCounty0.0443%$157
Upper Brushy Creek WCIDWater0.0170%$60
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$6,793
50 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $347,791 would pay approximately $2,171 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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