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

857 HERITAGE SPRINGS TRL, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,250 sqftBuilt 2013

Property at a Glance

This home is estimated between $302,766 and $392,065, with a best estimate of $323,580. That places the property below the R525503F - TURTLE CREEK VILLAGE median of $329,108, in a neighborhood that declined 7.5% over the past year.

Estimated Value Range

$302,766 $392,065
Best Estimate
$323,580
WCAD Value
$349,692
High Confidence

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

Based on 5 comparable properties in R525503F - TURTLE CREEK VILLAGE, this home's estimated market value is between $302,766 and $392,065. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

893 HERITAGE SPRINGS TRL, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,349 sqft Built 2012
Raw Value $351,677
Adjusted Value $323,580

Adjusted -$29,170 for 99 sqft less living space and +$1,073 for being newer. Net adjustment: -$28,097.

885 HERITAGE SPRINGS TRL, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,074 sqft Built 2012
Raw Value $339,135
Adjusted Value $392,065

Adjusted +$51,857 for 176 sqft more living space and +$1,073 for being newer. Net adjustment: +$52,930.

881 HERITAGE SPRINGS TRL, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,313 sqft Built 2012
Raw Value $320,255
Adjusted Value $302,766

Adjusted -$18,562 for 63 sqft less living space and +$1,073 for being newer. Net adjustment: -$17,489.

525 HERITAGE SPRINGS TRL, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,247 sqft Built 2013
Raw Value $318,895
Adjusted Value $319,779

Adjusted +$884 for 3 sqft more living space. Net adjustment: +$884.

645 HERITAGE SPRINGS TRL, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,241 sqft Built 2013
Raw Value $373,642
Adjusted Value $376,294

Adjusted +$2,652 for 9 sqft more living space. Net adjustment: +$2,652.

The Neighborhood

This home is valued 6.3% above the R525503F - TURTLE CREEK VILLAGE median of $329,108. With 425 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 7.5% over the past year.

R525503F - TURTLE CREEK VILLAGE

typical
425 Properties
$329,108 Median Value
-7.5% YoY Change
13% Have Pool
49% Have Garage
This Home
$349,692
Median
$329,108

This home is +6.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,292 across all districts. With a homestead exemption claimed, that drops to $4,977 — saving $1,315 per year. That's $415 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%$3,123
Round RockCity0.3720%$1,301
Williamson CountyCounty0.3694%$1,292
Austin Community Collegespecial0.1034%$362
Williamson County FM/RdCounty0.0443%$155
Upper Brushy Creek WCIDWater0.0170%$59
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,292

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $323,580 would pay approximately $2,020 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