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336 HIDDEN BROOK LN, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,557 sqftBuilt 2005

Property at a Glance

This home is estimated between $286,925 and $505,928, with a best estimate of $302,992. 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

$286,925 $505,928
Best Estimate
$302,992
WCAD Value
$322,704
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 $286,925 and $505,928. 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 $286,925

Adjusted -$125,882 for 528 sqft less living space. Net adjustment: -$125,882.

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 $302,992

Adjusted -$69,378 for 291 sqft less living space. Net adjustment: -$69,378.

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 $322,714

Adjusted -$174,280 for 731 sqft less living space. Net adjustment: -$174,280.

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 $302,805

Adjusted -$73,908 for 310 sqft less living space. Net adjustment: -$73,908.

331 HIDDEN BROOK LN, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,175 sqft Built 2005
Raw Value $414,854
Adjusted Value $505,928

Adjusted +$91,074 for 382 sqft more living space. Net adjustment: +$91,074.

The Neighborhood

This home is valued 25.1% 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

below average
1,632 Properties
$430,980 Median Value
-4.6% YoY Change
1% Have Pool
99% Have Garage
This Home
$322,704
Median
$430,980

This home is -25.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,179 across all districts. With a homestead exemption claimed, that drops to $4,869 — saving $1,310 per year. That's $406 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%$2,882
Williamson County MUD #10MUD0.3875%$1,250
Williamson CountyCounty0.3694%$1,192
Austin Community Collegespecial0.1034%$334
Williamson County ESD #9 - Round RockESD0.0999%$322
Williamson County FM/RdCounty0.0443%$143
Upper Brushy Creek WCIDWater0.0170%$55
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9147%$6,179

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $302,992 would pay approximately $1,891 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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