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601 BUFFALO PASS, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,430 sqftBuilt 1975

Property at a Glance

This home is estimated between $293,843 and $361,685, with a best estimate of $320,465. That places the property above 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

$293,843 $361,685
Best Estimate
$320,465
WCAD Value
$292,681
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 $293,843 and $361,685. More comparables in the same subdivision would strengthen this estimate.

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 $293,843

Adjusted +$6,903 for 32 sqft more living space and +$7,526 for having a pool. Net adjustment: +$14,429.

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 $320,465

Adjusted +$51,340 for 238 sqft more living space and -$3,118 for being older and +$7,526 for having a pool. Net adjustment: +$55,748.

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 $334,895

Adjusted +$65,145 for 302 sqft more living space and -$3,118 for being older and +$7,526 for having a pool. Net adjustment: +$69,553.

3 bed 2 bath 1,484 sqft Built 1980
Raw Value $373,602
Adjusted Value $361,685

Adjusted -$11,648 for 54 sqft less living space and -$7,795 for being older and +$7,526 for having a pool. Net adjustment: -$11,917.

600 PURPLE SAGE DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,184 sqft Built 1983
Raw Value $264,881
Adjusted Value $313,000

Adjusted +$53,065 for 246 sqft more living space and -$12,472 for being older and +$7,526 for having a pool. Net adjustment: +$48,119.

The Neighborhood

This home is valued 4.0% above the R332479H - CHISHOLM VALLEY & NORTHRIDGE ACRES & WILLOW RUN median of $281,358. With 1,006 homes in the subdivision, the property sits in the upper tier. 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
$292,681
Median
$281,358

This home is +4.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $5,266 across all districts. With a homestead exemption claimed, that drops to $3,962 — saving $1,304 per year. That's $330 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%$2,614
Round RockCity0.3720%$1,089
Williamson CountyCounty0.3694%$1,081
Austin Community Collegespecial0.1034%$303
Williamson County FM/RdCounty0.0443%$130
Upper Brushy Creek WCIDWater0.0170%$50
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,266

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $320,465 would pay approximately $2,000 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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