Beta Williamson County, TX only — data and coverage are limited during early access.

4230 KINGSBURG DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath2,344 sqftBuilt 1998

Property at a Glance

This home is estimated between $337,309 and $719,388, with a best estimate of $566,958. That places the property above 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

$337,309 $719,388
Best Estimate
$566,958
WCAD Value
$433,264
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 $337,309 and $719,388 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 2,221 sqft Built 2014
Raw Value $741,595
Adjusted Value $719,388

Adjusted +$34,631 for 123 sqft more living space and -$56,838 for being older. Net adjustment: -$22,207.

3 bed 2 bath 3,097 sqft Built 2000
Raw Value $556,425
Adjusted Value $337,309

Adjusted -$212,011 for 753 sqft less living space and -$7,105 for being older. Net adjustment: -$219,116.

3 bed 2 bath 2,248 sqft Built 2018
Raw Value $479,901
Adjusted Value $435,882

Adjusted +$27,029 for 96 sqft more living space and -$71,048 for being older. Net adjustment: -$44,019.

3 bed 2 bath 1,675 sqft Built 1995
Raw Value $367,941
Adjusted Value $566,958

Adjusted +$188,360 for 669 sqft more living space and +$10,657 for being newer. Net adjustment: +$199,017.

3 bed 2 bath 2,044 sqft Built 1981
Raw Value $455,252
Adjusted Value $600,109

Adjusted +$84,467 for 300 sqft more living space and +$60,390 for being newer. Net adjustment: +$144,857.

The Neighborhood

This home is valued 3.6% 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
$433,264
Median
$449,628

This home is -3.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,380 across all districts. With a homestead exemption claimed, that drops to $6,778 — saving $1,602 per year. That's $565 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%$4,709
Williamson CountyCounty0.3694%$1,601
Vista Oaks MUDMUD0.2131%$923
Austin Community Collegespecial0.1034%$448
Williamson County ESD #9 - Round RockESD0.0999%$433
Williamson County FM/RdCounty0.0443%$192
Upper Brushy Creek WCIDWater0.0170%$74
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9341%$8,380

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $566,958 would pay approximately $3,539 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.

View full property details