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4019 CASTLE CREEK, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,400 sqftBuilt 1999

Property at a Glance

This home is estimated between $304,723 and $485,201, with a best estimate of $344,061. 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

$304,723 $485,201
Best Estimate
$344,061
WCAD Value
$429,147
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 $304,723 and $485,201 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 $485,201

Adjusted +$60,253 for 214 sqft more living space and +$17,762 for being newer. Net adjustment: +$78,015.

3 bed 2 bath 1,585 sqft Built 1997
Raw Value $383,881
Adjusted Value $338,898

Adjusted -$52,088 for 185 sqft less living space and +$7,105 for being newer. Net adjustment: -$44,983.

3 bed 2 bath 1,584 sqft Built 1995
Raw Value $381,657
Adjusted Value $344,061

Adjusted -$51,806 for 184 sqft less living space and +$14,210 for being newer. Net adjustment: -$37,596.

3 bed 2 bath 1,675 sqft Built 1995
Raw Value $367,941
Adjusted Value $304,723

Adjusted -$77,428 for 275 sqft less living space and +$14,210 for being newer. Net adjustment: -$63,218.

3 bed 2 bath 1,303 sqft Built 1984
Raw Value $347,567
Adjusted Value $428,164

Adjusted +$27,311 for 97 sqft more living space and +$53,286 for being newer. Net adjustment: +$80,597.

The Neighborhood

This home is valued 4.6% below the L494500D - Vista Oaks Sec 5B Ph 2 & SEC 5C median of $449,628. That positions it competitively for buyers comparing within the neighborhood. 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
$429,147
Median
$449,628

This home is -4.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,300 across all districts. With a homestead exemption claimed, that drops to $6,699 — saving $1,601 per year. That's $558 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%$4,664
Williamson CountyCounty0.3694%$1,585
Vista Oaks MUDMUD0.2131%$915
Austin Community Collegespecial0.1034%$444
Williamson County ESD #9 - Round RockESD0.0999%$429
Williamson County FM/RdCounty0.0443%$190
Upper Brushy Creek WCIDWater0.0170%$73
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9341%$8,300

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $344,061 would pay approximately $2,148 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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