Beta Williamson County, TX only — data and coverage are limited during early access.

600 PURPLE SAGE DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,184 sqftBuilt 1983

Property at a Glance

This home is estimated between $244,562 and $297,840, with a best estimate of $272,345. That places the property below the R332479H - CHISHOLM VALLEY & NORTHRIDGE ACRES & WILLOW RUN median of $281,358, in a neighborhood that declined 9.6% over the past year.

Estimated Value Range

$244,562 $297,840
Best Estimate
$272,345
WCAD Value
$264,881
High Confidence

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

Based on 5 comparable properties in R332479H - CHISHOLM VALLEY & NORTHRIDGE ACRES & WILLOW RUN, this home's estimated market value is between $244,562 and $297,840. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

603 BUFFALO PASS, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,398 sqft Built 1975
Raw Value $279,414
Adjusted Value $245,723

Adjusted -$46,163 for 214 sqft less living space and +$12,472 for being newer. Net adjustment: -$33,691.

608 BUFFALO PASS, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,192 sqft Built 1977
Raw Value $264,717
Adjusted Value $272,345

Adjusted -$1,726 for 8 sqft less living space and +$9,354 for being newer. Net adjustment: +$7,628.

600 BUFFALO PASS, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,128 sqft Built 1977
Raw Value $265,342
Adjusted Value $286,776

Adjusted +$12,080 for 56 sqft more living space and +$9,354 for being newer. Net adjustment: +$21,434.

601 BUFFALO PASS, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,430 sqft Built 1975
Raw Value $292,681
Adjusted Value $244,562

Adjusted -$53,065 for 246 sqft less living space and +$12,472 for being newer and -$7,526 for no pool. Net adjustment: -$48,119.

605 WAGON WHEEL DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,170 sqft Built 1976
Raw Value $283,907
Adjusted Value $297,840

Adjusted +$3,020 for 14 sqft more living space and +$10,913 for being newer. Net adjustment: +$13,933.

The Neighborhood

This home is valued 5.9% below the R332479H - CHISHOLM VALLEY & NORTHRIDGE ACRES & WILLOW RUN median of $281,358. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 9.6% over the past year.

R332479H - CHISHOLM VALLEY & NORTHRIDGE ACRES & WILLOW RUN

typical
1,006 Properties
$281,358 Median Value
-9.6% YoY Change
2% Have Pool
84% Have Garage
This Home
$264,881
Median
$281,358

This home is -5.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $4,766 across all districts. With a homestead exemption claimed, that drops to $3,467 — saving $1,299 per year. That's $289 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%$2,366
Round RockCity0.3720%$985
Williamson CountyCounty0.3694%$979
Austin Community Collegespecial0.1034%$274
Williamson County FM/RdCounty0.0443%$117
Upper Brushy Creek WCIDWater0.0170%$45
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$4,766

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $272,345 would pay approximately $1,700 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.

View full property details