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3800 POWDERHORN DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,168 sqftBuilt 1979

Property at a Glance

This home is estimated between $253,770 and $379,072, with a best estimate of $301,307. 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

$253,770 $379,072
Best Estimate
$301,307
WCAD Value
$394,900
Medium Confidence

Based on 5 comparable properties(4 in the same subdivision)

Based on 5 comparable properties (4 in the same subdivision, 1 nearby), the estimated range is $253,770 and $379,072. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

3609 CORNERSTONE, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,269 sqft Built 1982
Raw Value $290,537
Adjusted Value $263,192

Adjusted -$22,525 for 101 sqft less living space and -$4,820 for being older. Net adjustment: -$27,345.

3115 FREEMONT ST, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,303 sqft Built 1984
Raw Value $347,567
Adjusted Value $309,426

Adjusted -$30,108 for 135 sqft less living space and -$8,033 for being older. Net adjustment: -$38,141.

4001 HILLSIDE DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,133 sqft Built 1979
Raw Value $293,501
Adjusted Value $301,307

Adjusted +$7,806 for 35 sqft more living space. Net adjustment: +$7,806.

2901 MONUMENT DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,212 sqft Built 1982
Raw Value $268,403
Adjusted Value $253,770

Adjusted -$9,813 for 44 sqft less living space and -$4,820 for being older. Net adjustment: -$14,633.

4 bed 2 bath 1,186 sqft Built 1994
Raw Value $407,186
Adjusted Value $379,072

Adjusted -$4,014 for 18 sqft less living space and -$24,100 for being older. Net adjustment: -$28,114.

The Neighborhood

This home is valued 33.2% 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
$394,900
Median
$296,542

This home is +33.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $7,559 across all districts. With a homestead exemption claimed, that drops to $6,236 — saving $1,323 per year. That's $520 per month a buyer should budget. The assessed value increased -3.8% 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%$3,527
Brushy Creek MUDMUD0.3868%$1,528
Williamson CountyCounty0.3694%$1,459
Austin Community Collegespecial0.1034%$408
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$395
Williamson County FM/RdCounty0.0443%$175
Upper Brushy Creek WCIDWater0.0170%$67
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$7,559
50 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $301,307 would pay approximately $1,881 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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