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

4012 HALFWAY CV, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath2,600 sqftBuilt 1993

Property at a Glance

This home is estimated between $467,535 and $857,992, with a best estimate of $535,671. 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

$467,535 $857,992
Best Estimate
$535,671
WCAD Value
$456,731
High Confidence

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

Based on 5 comparable properties in L494500D - Vista Oaks Sec 5B Ph 2 & SEC 5C, this home's estimated market value is between $467,535 and $857,992. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4008 HALFWAY CV, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,310 sqft Built 1994
Raw Value $424,993
Adjusted Value $503,092

Adjusted +$81,651 for 290 sqft more living space and -$3,552 for being older. Net adjustment: +$78,099.

3414 INWOOD CV, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,215 sqft Built 1997
Raw Value $441,482
Adjusted Value $535,671

Adjusted +$108,399 for 385 sqft more living space and -$14,210 for being older. Net adjustment: +$94,189.

4004 WITTE CV, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,416 sqft Built 1995
Raw Value $422,834
Adjusted Value $467,535

Adjusted +$51,806 for 184 sqft more living space and -$7,105 for being older. Net adjustment: +$44,701.

4010 HALFWAY CV, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,118 sqft Built 1993
Raw Value $456,244
Adjusted Value $591,954

Adjusted +$135,710 for 482 sqft more living space. Net adjustment: +$135,710.

3428 ASHMERE CV, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,574 sqft Built 1993
Raw Value $569,116
Adjusted Value $857,992

Adjusted +$288,876 for 1,026 sqft more living space. Net adjustment: +$288,876.

The Neighborhood

This home is valued 1.6% 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
$456,731
Median
$449,628

This home is +1.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,834 across all districts. With a homestead exemption claimed, that drops to $7,228 — saving $1,606 per year. That's $602 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%$4,964
Williamson CountyCounty0.3694%$1,687
Vista Oaks MUDMUD0.2131%$973
Austin Community Collegespecial0.1034%$472
Williamson County ESD #9 - Round RockESD0.0999%$456
Williamson County FM/RdCounty0.0443%$202
Upper Brushy Creek WCIDWater0.0170%$78
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9341%$8,834

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $535,671 would pay approximately $3,344 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