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13 BRENDA LN, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath2,430 sqftBuilt 1976

Property at a Glance

This home is estimated between $603,449 and $1,386,287, with a best estimate of $1,256,652. That places the property above the R451581F - Jackie Thomison Sub median of $825,132, in a neighborhood that declined 11.3% over the past year.

Estimated Value Range

$603,449 $1,386,287
Best Estimate
$1,256,652
WCAD Value
$797,482
High Confidence

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

Based on 5 comparable properties in R451581F - Jackie Thomison Sub, this home's estimated market value is between $603,449 and $1,386,287. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

7 BRENDA LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,136 sqft Built 1977
Raw Value $994,804
Adjusted Value $1,107,360

Adjusted +$112,480 for 294 sqft more living space and +$76 for being newer. Net adjustment: +$112,556.

16 BRENDA LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,525 sqft Built 1996
Raw Value $1,421,118
Adjusted Value $1,386,287

Adjusted -$36,346 for 95 sqft less living space and +$1,515 for being newer. Net adjustment: -$34,831.

23 BRENDA LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,440 sqft Built 1987
Raw Value $1,279,274
Adjusted Value $1,276,281

Adjusted -$3,826 for 10 sqft less living space and +$833 for being newer. Net adjustment: -$2,993.

12 BRENDA LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,183 sqft Built 1977
Raw Value $1,162,077
Adjusted Value $1,256,652

Adjusted +$94,499 for 247 sqft more living space and +$76 for being newer. Net adjustment: +$94,575.

15 BRENDA LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,762 sqft Built 1976
Raw Value $347,881
Adjusted Value $603,449

Adjusted +$255,568 for 668 sqft more living space. Net adjustment: +$255,568.

The Neighborhood

This home is valued 3.4% below the R451581F - Jackie Thomison Sub median of $825,132. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 11.3% over the past year.

R451581F - Jackie Thomison Sub

typical
25 Properties
$825,132 Median Value
-11.3% YoY Change
0% Have Pool
52% Have Garage
This Home
$797,482
Median
$825,132

This home is -3.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $12,179 across all districts. With a homestead exemption claimed, that drops to $10,781 — saving $1,398 per year. That's $898 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%$7,122
Williamson CountyCounty0.3694%$2,946
Austin Community Collegespecial0.1034%$825
Williamson County ESD #9 - Round RockESD0.0999%$797
Williamson County FM/RdCounty0.0443%$354
Upper Brushy Creek WCIDWater0.0170%$136
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5272%$12,179

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,256,652 would pay approximately $7,844 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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