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606 HILLBROOK, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,182 sqftBuilt 1980

Property at a Glance

This home is estimated between $247,599 and $314,155, with a best estimate of $267,921. That places the property below the R210480H - Brushy Creek median of $296,542, in a neighborhood that declined 14.6% over the past year.

Estimated Value Range

$247,599 $314,155
Best Estimate
$267,921
WCAD Value
$310,234
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 $247,599 and $314,155. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

3609 CORNERSTONE, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,269 sqft Built 1982
Raw Value $290,537
Adjusted Value $267,921

Adjusted -$19,403 for 87 sqft less living space and -$3,213 for being older. Net adjustment: -$22,616.

3115 FREEMONT ST, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,303 sqft Built 1984
Raw Value $347,567
Adjusted Value $314,155

Adjusted -$26,985 for 121 sqft less living space and -$6,427 for being older. Net adjustment: -$33,412.

4001 HILLSIDE DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,133 sqft Built 1979
Raw Value $293,501
Adjusted Value $306,036

Adjusted +$10,928 for 49 sqft more living space and +$1,607 for being newer. Net adjustment: +$12,535.

3 bed 2 bath 1,254 sqft Built 1984
Raw Value $270,083
Adjusted Value $247,599

Adjusted -$16,057 for 72 sqft less living space and -$6,427 for being older. Net adjustment: -$22,484.

2901 MONUMENT DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,212 sqft Built 1982
Raw Value $268,403
Adjusted Value $258,499

Adjusted -$6,691 for 30 sqft less living space and -$3,213 for being older. Net adjustment: -$9,904.

The Neighborhood

This home is valued 4.6% 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

typical
871 Properties
$296,542 Median Value
-14.6% YoY Change
2% Have Pool
94% Have Garage
This Home
$310,234
Median
$296,542

This home is +4.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $5,938 across all districts. With a homestead exemption claimed, that drops to $4,631 — saving $1,307 per year. That's $386 per month a buyer should budget. The assessed value increased -3.8% 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%$2,771
Brushy Creek MUDMUD0.3868%$1,200
Williamson CountyCounty0.3694%$1,146
Austin Community Collegespecial0.1034%$321
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$310
Williamson County FM/RdCounty0.0443%$138
Upper Brushy Creek WCIDWater0.0170%$53
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$5,938
50 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $267,921 would pay approximately $1,672 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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