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4021 SABLE OAKS DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed2 bath2,108 sqftBuilt 1995

Property at a Glance

This home is estimated between $445,302 and $690,915, with a best estimate of $665,472. That places the property above the R543696D - ForestCrPh5&AMD lots 18-19 ek Ph5&AMD lots 18 & median of $471,700, in a neighborhood that appreciated 0.1% over the past year.

Estimated Value Range

$445,302 $690,915
Best Estimate
$665,472
WCAD Value
$438,058
High Confidence

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

Based on 5 comparable properties in R543696D - ForestCrPh5&AMD lots 18-19 ek Ph5&AMD lots 18 &, this home's estimated market value is between $445,302 and $690,915. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4003 SABLE OAKS DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,912 sqft Built 1998
Raw Value $429,775
Adjusted Value $489,188

Adjusted +$45,986 for 196 sqft more living space and +$13,427 for being newer. Net adjustment: +$59,413.

4009 SABLE OAKS DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,680 sqft Built 2000
Raw Value $548,589
Adjusted Value $671,387

Adjusted +$100,419 for 428 sqft more living space and +$22,379 for being newer. Net adjustment: +$122,798.

5024 SABLE OAKS DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,627 sqft Built 1996
Raw Value $548,142
Adjusted Value $665,472

Adjusted +$112,854 for 481 sqft more living space and +$4,476 for being newer. Net adjustment: +$117,330.

5033 SABLE OAKS DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,321 sqft Built 1995
Raw Value $495,277
Adjusted Value $445,302

Adjusted -$49,975 for 213 sqft less living space. Net adjustment: -$49,975.

4020 SABLE OAKS DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,640 sqft Built 1995
Raw Value $581,111
Adjusted Value $690,915

Adjusted +$109,804 for 468 sqft more living space. Net adjustment: +$109,804.

The Neighborhood

This home is valued 7.1% below the R543696D - ForestCrPh5&AMD lots 18-19 ek Ph5&AMD lots 18 & median of $471,700. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 0.1% over the past year.

R543696D - ForestCrPh5&AMD lots 18-19 ek Ph5&AMD lots 18 &

typical
46 Properties
$471,700 Median Value
+0.1% YoY Change
0% Have Pool
100% Have Garage
This Home
$438,058
Median
$471,700

This home is -7.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,882 across all districts. With a homestead exemption claimed, that drops to $6,551 — saving $1,331 per year. That's $546 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%$3,912
Round RockCity0.3720%$1,630
Williamson CountyCounty0.3694%$1,618
Austin Community Collegespecial0.1034%$453
Williamson County FM/RdCounty0.0443%$194
Upper Brushy Creek WCIDWater0.0170%$74
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$7,882

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $665,472 would pay approximately $4,154 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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