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604 POWDER HORN CV, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,224 sqftBuilt 1977

Property at a Glance

This home is estimated between $357,448 and $665,938, with a best estimate of $430,594. 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

$357,448 $665,938
Best Estimate
$430,594
WCAD Value
$347,534
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R210480H - Brushy Creek. The estimated range of $357,448 and $665,938 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,254 sqft Built 1980
Raw Value $677,449
Adjusted Value $665,938

Adjusted -$6,691 for 30 sqft less living space and -$4,820 for being older. Net adjustment: -$11,511.

4 bed 2 bath 1,344 sqft Built 1993
Raw Value $409,917
Adjusted Value $357,448

Adjusted -$26,762 for 120 sqft less living space and -$25,707 for being older. Net adjustment: -$52,469.

3 bed 2 bath 1,150 sqft Built 2005
Raw Value $536,646
Adjusted Value $508,162

Adjusted +$16,503 for 74 sqft more living space and -$44,987 for being older. Net adjustment: -$28,484.

4 bed 2 bath 1,123 sqft Built 1995
Raw Value $436,989
Adjusted Value $430,594

Adjusted +$22,525 for 101 sqft more living space and -$28,920 for being older. Net adjustment: -$6,395.

4 bed 2 bath 1,079 sqft Built 1993
Raw Value $423,839
Adjusted Value $430,470

Adjusted +$32,338 for 145 sqft more living space and -$25,707 for being older. Net adjustment: +$6,631.

The Neighborhood

This home is valued 17.2% 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
$347,534
Median
$296,542

This home is +17.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,652 across all districts. With a homestead exemption claimed, that drops to $5,338 — saving $1,314 per year. That's $445 per month a buyer should budget. The assessed value increased +2.4% 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%$3,104
Brushy Creek MUDMUD0.3868%$1,344
Williamson CountyCounty0.3694%$1,284
Austin Community Collegespecial0.1034%$359
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$348
Williamson County FM/RdCounty0.0443%$154
Upper Brushy Creek WCIDWater0.0170%$59
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$6,652
50 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $430,594 would pay approximately $2,688 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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