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4013 CASTLE CREEK, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,213 sqftBuilt 1998

Property at a Glance

This home is estimated between $89,860 and $428,998, with a best estimate of $325,523. That places the property below the L494500D - Vista Oaks Sec 5B Ph 2 & SEC 5C median of $449,628, in a neighborhood that declined 2.9% over the past year.

Estimated Value Range

$89,860 $428,998
Best Estimate
$325,523
WCAD Value
$476,765
Low Confidence

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

There are 5 comparable properties within range, but none are in L494500D - Vista Oaks Sec 5B Ph 2 & SEC 5C. The estimated range of $89,860 and $428,998 should be treated as a rough guide.

Comparable Properties (5)

4 bed 2 bath 1,186 sqft Built 1994
Raw Value $407,186
Adjusted Value $428,998

Adjusted +$7,602 for 27 sqft more living space and +$14,210 for being newer. Net adjustment: +$21,812.

3 bed 2 bath 1,212 sqft Built 1982
Raw Value $268,403
Adjusted Value $325,523

Adjusted +$282 for 1 sqft more living space and +$56,838 for being newer. Net adjustment: +$57,120.

3 bed 2 bath 1,254 sqft Built 1984
Raw Value $270,083
Adjusted Value $308,272

Adjusted -$11,544 for 41 sqft less living space and +$49,733 for being newer. Net adjustment: +$38,189.

3 bed 1,232 sqft Built 2011
Raw Value $141,391
Adjusted Value $89,860

Adjusted -$5,350 for 19 sqft less living space and -$46,181 for being older. Net adjustment: -$51,531.

3 bed 2 bath 1,269 sqft Built 1982
Raw Value $290,537
Adjusted Value $331,608

Adjusted -$15,767 for 56 sqft less living space and +$56,838 for being newer. Net adjustment: +$41,071.

The Neighborhood

This home is valued 6.0% above the L494500D - Vista Oaks Sec 5B Ph 2 & SEC 5C median of $449,628. With 904 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 2.9% over the past year.

L494500D - Vista Oaks Sec 5B Ph 2 & SEC 5C

typical
904 Properties
$449,628 Median Value
-2.9% YoY Change
1% Have Pool
99% Have Garage
This Home
$476,765
Median
$449,628

This home is +6.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,221 across all districts. With a homestead exemption claimed, that drops to $7,611 — saving $1,610 per year. That's $634 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
Leander ISDSchool1.0869%$5,182
Williamson CountyCounty0.3694%$1,761
Vista Oaks MUDMUD0.2131%$1,016
Austin Community Collegespecial0.1034%$493
Williamson County ESD #9 - Round RockESD0.0999%$476
Williamson County FM/RdCounty0.0443%$211
Upper Brushy Creek WCIDWater0.0170%$81
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9341%$9,221

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $325,523 would pay approximately $2,032 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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