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

645 HERITAGE SPRINGS TRL, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath1,241 sqftBuilt 2013

Property at a Glance

This home is estimated between $257,205 and $369,804, with a best estimate of $300,620. 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

$257,205 $369,804
Best Estimate
$300,620
WCAD Value
$373,642
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 $257,205 and $369,804. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

925 HERITAGE SPRINGS TRL, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,488 sqft Built 2011
Raw Value $327,836
Adjusted Value $257,205

Adjusted -$72,777 for 247 sqft less living space and +$2,146 for being newer. Net adjustment: -$70,631.

657 HERITAGE SPRINGS TRL, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,183 sqft Built 2014
Raw Value $350,119
Adjusted Value $366,135

Adjusted +$17,089 for 58 sqft more living space and -$1,073 for being older. Net adjustment: +$16,016.

779 HERITAGE SPRINGS TRL, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,329 sqft Built 2013
Raw Value $320,891
Adjusted Value $294,963

Adjusted -$25,928 for 88 sqft less living space. Net adjustment: -$25,928.

775 HERITAGE SPRINGS TRL, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,148 sqft Built 2013
Raw Value $342,402
Adjusted Value $369,804

Adjusted +$27,402 for 93 sqft more living space. Net adjustment: +$27,402.

771 HERITAGE SPRINGS TRL, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,313 sqft Built 2013
Raw Value $321,834
Adjusted Value $300,620

Adjusted -$21,214 for 72 sqft less living space. Net adjustment: -$21,214.

The Neighborhood

This home is valued 13.5% 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
$373,642
Median
$329,108

This home is +13.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,723 across all districts. With a homestead exemption claimed, that drops to $5,403 — saving $1,320 per year. That's $450 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%$3,337
Round RockCity0.3720%$1,390
Williamson CountyCounty0.3694%$1,380
Austin Community Collegespecial0.1034%$386
Williamson County FM/RdCounty0.0443%$166
Upper Brushy Creek WCIDWater0.0170%$64
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,723

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $300,620 would pay approximately $1,876 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