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508 HIDDEN BROOK LN, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed2 bath1,815 sqftBuilt 2006

Property at a Glance

This home is estimated between $347,617 and $566,619, with a best estimate of $363,683. 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

$347,617 $566,619
Best Estimate
$363,683
WCAD Value
$508,181
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 $347,617 and $566,619. 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 $347,617

Adjusted -$64,371 for 270 sqft less living space and -$819 for being older. Net adjustment: -$65,190.

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 $363,683

Adjusted -$7,868 for 33 sqft less living space and -$819 for being older. Net adjustment: -$8,687.

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 $383,406

Adjusted -$112,769 for 473 sqft less living space and -$819 for being older. Net adjustment: -$113,588.

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 $363,497

Adjusted -$12,397 for 52 sqft less living space and -$819 for being older. Net adjustment: -$13,216.

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 $566,619

Adjusted +$152,584 for 640 sqft more living space and -$819 for being older. Net adjustment: +$151,765.

The Neighborhood

This home is valued 17.9% above the R417506E - TERAVISTA R4 median of $430,980. With 1,632 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 4.6% over the past year.

R417506E - TERAVISTA R4

above average
1,632 Properties
$430,980 Median Value
-4.6% YoY Change
1% Have Pool
99% Have Garage
This Home
$508,181
Median
$430,980

This home is +17.9% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,730 across all districts. With a homestead exemption claimed, that drops to $8,386 — saving $1,344 per year. That's $699 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%$4,539
Williamson County MUD #10MUD0.3875%$1,969
Williamson CountyCounty0.3694%$1,877
Austin Community Collegespecial0.1034%$525
Williamson County ESD #9 - Round RockESD0.0999%$508
Williamson County FM/RdCounty0.0443%$225
Upper Brushy Creek WCIDWater0.0170%$86
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9147%$9,730

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $363,683 would pay approximately $2,270 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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