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8008 BRIENNE DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath860 sqftBuilt 1999

Property at a Glance

This home is estimated between $177,804 and $413,829, with a best estimate of $216,084. That places the property below the R222592G - CAT HOLLOW ALL SECTIONS R4 median of $451,685, in a neighborhood that declined 6.9% over the past year.

Estimated Value Range

$177,804 $413,829
Best Estimate
$216,084
WCAD Value
$446,274
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 $177,804 and $413,829. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

102 NORTH FIELD ST, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 940 sqft Built 2002
Raw Value $457,821
Adjusted Value $413,829

Adjusted -$21,595 for 80 sqft less living space and -$22,397 for being older. Net adjustment: -$43,992.

16829 LUCKENWALD DR, ROUND ROCK, TX 78681
0.00 mi 98% similar Same subdivision
3 bed 2 bath 1,585 sqft Built 1997
Raw Value $383,881
Adjusted Value $203,107

Adjusted -$195,705 for 725 sqft less living space and +$14,931 for being newer. Net adjustment: -$180,774.

16709 DORMAN DR, ROUND ROCK, TX 78681
0.00 mi 97% similar Same subdivision
3 bed 2 bath 1,584 sqft Built 1995
Raw Value $381,657
Adjusted Value $216,084

Adjusted -$195,435 for 724 sqft less living space and +$29,862 for being newer. Net adjustment: -$165,573.

16716 TOMCAT DR, ROUND ROCK, TX 78681
0.00 mi 96% similar Same subdivision
3 bed 2 bath 1,675 sqft Built 1995
Raw Value $367,941
Adjusted Value $177,804

Adjusted -$219,999 for 815 sqft less living space and +$29,862 for being newer. Net adjustment: -$190,137.

4 bed 2 bath 1,186 sqft Built 1994
Raw Value $407,186
Adjusted Value $356,514

Adjusted -$88,000 for 326 sqft less living space and +$37,328 for being newer. Net adjustment: -$50,672.

The Neighborhood

This home is valued 1.2% below the R222592G - CAT HOLLOW ALL SECTIONS R4 median of $451,685. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 6.9% over the past year.

R222592G - CAT HOLLOW ALL SECTIONS R4

typical
1,233 Properties
$451,685 Median Value
-6.9% YoY Change
1% Have Pool
100% Have Garage
This Home
$446,274
Median
$451,685

This home is -1.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,542 across all districts. With a homestead exemption claimed, that drops to $7,209 — saving $1,333 per year. That's $601 per month a buyer should budget. The assessed value increased +2.0% vs the subdivision average of -6.9%. This above-average increase gives a protest opportunity score of 45 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$3,986
Brushy Creek MUDMUD0.3868%$1,726
Williamson CountyCounty0.3694%$1,649
Austin Community Collegespecial0.1034%$461
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$446
Williamson County FM/RdCounty0.0443%$198
Upper Brushy Creek WCIDWater0.0170%$76
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9141%$8,542
45 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $216,084 would pay approximately $1,349 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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