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3752 CASTLE ROCK DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,725 sqftBuilt 2003

Property at a Glance

This home is estimated between $347,889 and $403,976, with a best estimate of $375,941. That places the property above the R107503F - PRESERVE AT STONE OAK - PH 3 & 4 median of $368,194, in a neighborhood that declined 10.9% over the past year.

Estimated Value Range

$347,889 $403,976
Best Estimate
$375,941
WCAD Value
$334,664
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R107503F - PRESERVE AT STONE OAK - PH 3 & 4. The estimated range of $347,889 and $403,976 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,675 sqft Built 1995
Raw Value $367,941
Adjusted Value $366,914

Adjusted +$10,179 for 50 sqft more living space and -$11,206 for being older. Net adjustment: -$1,027.

3 bed 2 bath 1,585 sqft Built 1997
Raw Value $383,881
Adjusted Value $403,976

Adjusted +$28,500 for 140 sqft more living space and -$8,405 for being older. Net adjustment: +$20,095.

3 bed 2 bath 1,584 sqft Built 1995
Raw Value $381,657
Adjusted Value $399,155

Adjusted +$28,704 for 141 sqft more living space and -$11,206 for being older. Net adjustment: +$17,498.

3 bed 2 bath 1,877 sqft Built 1984
Raw Value $405,447
Adjusted Value $347,889

Adjusted -$30,943 for 152 sqft less living space and -$26,615 for being older. Net adjustment: -$57,558.

3 bed 2 bath 1,550 sqft Built 1984
Raw Value $366,931
Adjusted Value $375,941

Adjusted +$35,625 for 175 sqft more living space and -$26,615 for being older. Net adjustment: +$9,010.

The Neighborhood

This home is valued 9.1% below the R107503F - PRESERVE AT STONE OAK - PH 3 & 4 median of $368,194. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 10.9% over the past year.

R107503F - PRESERVE AT STONE OAK - PH 3 & 4

typical
1,045 Properties
$368,194 Median Value
-10.9% YoY Change
1% Have Pool
99% Have Garage
This Home
$334,664
Median
$368,194

This home is -9.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,022 across all districts. With a homestead exemption claimed, that drops to $4,709 — saving $1,313 per year. That's $392 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%$2,989
Round RockCity0.3720%$1,245
Williamson CountyCounty0.3694%$1,236
Austin Community Collegespecial0.1034%$346
Williamson County FM/RdCounty0.0443%$148
Upper Brushy Creek WCIDWater0.0170%$57
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,022

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $375,941 would pay approximately $2,347 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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