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

406 HIDDEN BROOK LN, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,848 sqftBuilt 2005

Property at a Glance

This home is estimated between $316,876 and $392,092, with a best estimate of $372,183. That places the property below the R417506E - TERAVISTA R4 median of $430,980, in a neighborhood that declined 4.6% over the past year.

Estimated Value Range

$316,876 $392,092
Best Estimate
$372,183
WCAD Value
$373,567
High Confidence

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

Based on 5 comparable properties in R417506E - TERAVISTA R4, this home's estimated market value is between $316,876 and $392,092. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

404 HIDDEN BROOK LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,085 sqft Built 2005
Raw Value $412,807
Adjusted Value $356,303

Adjusted -$56,504 for 237 sqft less living space. Net adjustment: -$56,504.

334 HIDDEN BROOK LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,848 sqft Built 2005
Raw Value $372,370
Adjusted Value $372,370

This comparable closely matches the subject property's features.

510 HIDDEN BROOK LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,288 sqft Built 2005
Raw Value $496,994
Adjusted Value $392,092

Adjusted -$104,902 for 440 sqft less living space. Net adjustment: -$104,902.

502 HIDDEN BROOK LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,867 sqft Built 2005
Raw Value $376,713
Adjusted Value $372,183

Adjusted -$4,530 for 19 sqft less living space. Net adjustment: -$4,530.

326 HIDDEN BROOK LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,077 sqft Built 2005
Raw Value $371,472
Adjusted Value $316,876

Adjusted -$54,596 for 229 sqft less living space. Net adjustment: -$54,596.

The Neighborhood

This home is valued 13.3% below the R417506E - TERAVISTA R4 median of $430,980. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 4.6% over the past year.

R417506E - TERAVISTA R4

typical
1,632 Properties
$430,980 Median Value
-4.6% YoY Change
1% Have Pool
99% Have Garage
This Home
$373,567
Median
$430,980

This home is -13.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,153 across all districts. With a homestead exemption claimed, that drops to $5,833 — saving $1,320 per year. That's $486 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%$3,336
Williamson County MUD #10MUD0.3875%$1,448
Williamson CountyCounty0.3694%$1,380
Austin Community Collegespecial0.1034%$386
Williamson County ESD #9 - Round RockESD0.0999%$373
Williamson County FM/RdCounty0.0443%$166
Upper Brushy Creek WCIDWater0.0170%$64
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9147%$7,153

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $372,183 would pay approximately $2,323 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