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640 GABRIEL MILLS DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath691 sqftBuilt 2008

Property at a Glance

This home is estimated between $258,863 and $315,650, with a best estimate of $313,659. 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

$258,863 $315,650
Best Estimate
$313,659
WCAD Value
$314,652
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 $258,863 and $315,650. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

636 GABRIEL MILLS DR, ROUND ROCK, TX 78664
0.01 mi 100% similar Same subdivision
3 bed 2 bath 712 sqft Built 2008
Raw Value $321,747
Adjusted Value $315,560

Adjusted -$6,187 for 21 sqft less living space. Net adjustment: -$6,187.

644 GABRIEL MILLS DR, ROUND ROCK, TX 78664
0.01 mi 100% similar Same subdivision
3 bed 2 bath 722 sqft Built 2008
Raw Value $318,260
Adjusted Value $309,126

Adjusted -$9,134 for 31 sqft less living space. Net adjustment: -$9,134.

632 GABRIEL MILLS DR, ROUND ROCK, TX 78664
0.02 mi 100% similar Same subdivision
3 bed 2 bath 922 sqft Built 2008
Raw Value $326,925
Adjusted Value $258,863

Adjusted -$68,062 for 231 sqft less living space. Net adjustment: -$68,062.

648 GABRIEL MILLS DR, ROUND ROCK, TX 78664
0.02 mi 100% similar Same subdivision
3 bed 2 bath 712 sqft Built 2008
Raw Value $319,846
Adjusted Value $313,659

Adjusted -$6,187 for 21 sqft less living space. Net adjustment: -$6,187.

628 GABRIEL MILLS DR, ROUND ROCK, TX 78664
0.02 mi 100% similar Same subdivision
3 bed 2 bath 712 sqft Built 2008
Raw Value $321,837
Adjusted Value $315,650

Adjusted -$6,187 for 21 sqft less living space. Net adjustment: -$6,187.

The Neighborhood

This home is valued 4.4% below the R525503F - TURTLE CREEK VILLAGE median of $329,108. That positions it competitively for buyers comparing within the neighborhood. 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
$314,652
Median
$329,108

This home is -4.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,661 across all districts. With a homestead exemption claimed, that drops to $4,353 — saving $1,308 per year. That's $363 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%$2,810
Round RockCity0.3720%$1,171
Williamson CountyCounty0.3694%$1,162
Austin Community Collegespecial0.1034%$325
Williamson County FM/RdCounty0.0443%$139
Upper Brushy Creek WCIDWater0.0170%$53
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,661

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $313,659 would pay approximately $1,958 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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