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600 SPLITROCK, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,529 sqftBuilt 1982

Property at a Glance

This home is estimated between $324,507 and $459,818, with a best estimate of $344,958. 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

$324,507 $459,818
Best Estimate
$344,958
WCAD Value
$293,721
High Confidence

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

Based on 5 comparable properties in R210480H - Brushy Creek, this home's estimated market value is between $324,507 and $459,818. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

608 STONEY BROOK, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
2 bed 2 bath 1,398 sqft Built 1980
Raw Value $299,453
Adjusted Value $331,882

Adjusted +$29,216 for 131 sqft more living space and +$3,213 for being newer. Net adjustment: +$32,429.

602 STONEY BROOK, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 972 sqft Built 1979
Raw Value $330,776
Adjusted Value $459,818

Adjusted +$124,222 for 557 sqft more living space and +$4,820 for being newer. Net adjustment: +$129,042.

600 STONEY BROOK, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,484 sqft Built 1980
Raw Value $373,602
Adjusted Value $386,851

Adjusted +$10,036 for 45 sqft more living space and +$3,213 for being newer. Net adjustment: +$13,249.

603 STONEY BROOK, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,363 sqft Built 1980
Raw Value $284,273
Adjusted Value $324,507

Adjusted +$37,021 for 166 sqft more living space and +$3,213 for being newer. Net adjustment: +$40,234.

601 STONEY BROOK, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,179 sqft Built 1981
Raw Value $265,294
Adjusted Value $344,958

Adjusted +$78,057 for 350 sqft more living space and +$1,607 for being newer. Net adjustment: +$79,664.

The Neighborhood

This home is in line with the R210480H - Brushy Creek median of $296,542. Note that values in this subdivision declined 14.6% over the past year.

R210480H - Brushy Creek

typical
871 Properties
$296,542 Median Value
-14.6% YoY Change
2% Have Pool
94% Have Garage
This Home
$293,721
Median
$296,542

This home is -1.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,622 across all districts. With a homestead exemption claimed, that drops to $4,318 — saving $1,304 per year. That's $360 per month a buyer should budget. The assessed value increased roughly in line with the neighborhood, so a tax protest is unlikely to yield significant savings.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$2,623
Brushy Creek MUDMUD0.3868%$1,136
Williamson CountyCounty0.3694%$1,085
Austin Community Collegespecial0.1034%$304
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$294
Williamson County FM/RdCounty0.0443%$130
Upper Brushy Creek WCIDWater0.0170%$50
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$5,622

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $344,958 would pay approximately $2,153 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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