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900 SPRING TREE, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

2 bed2 bath1,368 sqftBuilt 1979

Property at a Glance

This home is estimated between $277,769 and $521,318, with a best estimate of $357,104. 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

$277,769 $521,318
Best Estimate
$357,104
WCAD Value
$350,021
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 $277,769 and $521,318 should be treated as a rough guide.

Comparable Properties (5)

900 POWDERHORN DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,358 sqft Built 1979
Raw Value $354,874
Adjusted Value $357,104

Adjusted +$2,230 for 10 sqft more living space. Net adjustment: +$2,230.

3 bed 2 bath 1,773 sqft Built 1976
Raw Value $400,500
Adjusted Value $314,997

Adjusted -$90,323 for 405 sqft less living space and +$4,820 for being newer. Net adjustment: -$85,503.

3 bed 2 bath 1,220 sqft Built 1998
Raw Value $435,996
Adjusted Value $438,476

Adjusted +$33,007 for 148 sqft more living space and -$30,527 for being older. Net adjustment: +$2,480.

3 bed 2 bath 2,044 sqft Built 1979
Raw Value $428,530
Adjusted Value $277,769

Adjusted -$150,761 for 676 sqft less living space. Net adjustment: -$150,761.

4 bed 2 bath 1,057 sqft Built 1976
Raw Value $447,139
Adjusted Value $521,318

Adjusted +$69,359 for 311 sqft more living space and +$4,820 for being newer. Net adjustment: +$74,179.

The Neighborhood

This home is valued 18.0% 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

above average
871 Properties
$296,542 Median Value
-14.6% YoY Change
2% Have Pool
94% Have Garage
This Home
$350,021
Median
$296,542

This home is +18.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,700 across all districts. With a homestead exemption claimed, that drops to $5,385 — saving $1,315 per year. That's $449 per month a buyer should budget. The assessed value increased -0.6% 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%$3,126
Brushy Creek MUDMUD0.3868%$1,354
Williamson CountyCounty0.3694%$1,293
Austin Community Collegespecial0.1034%$362
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$350
Williamson County FM/RdCounty0.0443%$155
Upper Brushy Creek WCIDWater0.0170%$60
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$6,700
50 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $357,104 would pay approximately $2,229 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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