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

4108 VISTA ISLE, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath2,103 sqftBuilt 1997

Property at a Glance

This home is estimated between $381,278 and $799,493, with a best estimate of $659,439. 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

$381,278 $799,493
Best Estimate
$659,439
WCAD Value
$444,414
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 $381,278 and $799,493. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4103 VISTA ISLE, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2,283 sqft Built 1997
Raw Value $431,958
Adjusted Value $381,278

Adjusted -$50,680 for 180 sqft less living space. Net adjustment: -$50,680.

4107 VISTA ISLE, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,561 sqft Built 1996
Raw Value $612,709
Adjusted Value $768,864

Adjusted +$152,603 for 542 sqft more living space and +$3,552 for being newer. Net adjustment: +$156,155.

4008 VISTA ISLE, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,640 sqft Built 2001
Raw Value $683,343
Adjusted Value $799,493

Adjusted +$130,360 for 463 sqft more living space and -$14,210 for being older. Net adjustment: +$116,150.

4005 VISTA ISLE, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,906 sqft Built 2000
Raw Value $614,630
Adjusted Value $659,439

Adjusted +$55,466 for 197 sqft more living space and -$10,657 for being older. Net adjustment: +$44,809.

4109 VISTA ISLE, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,284 sqft Built 1996
Raw Value $652,970
Adjusted Value $605,560

Adjusted -$50,962 for 181 sqft less living space and +$3,552 for being newer. Net adjustment: -$47,410.

The Neighborhood

This home is valued 1.2% 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
$444,414
Median
$449,628

This home is -1.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,595 across all districts. With a homestead exemption claimed, that drops to $6,992 — saving $1,603 per year. That's $583 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%$4,830
Williamson CountyCounty0.3694%$1,642
Vista Oaks MUDMUD0.2131%$947
Austin Community Collegespecial0.1034%$460
Williamson County ESD #9 - Round RockESD0.0999%$444
Williamson County FM/RdCounty0.0443%$197
Upper Brushy Creek WCIDWater0.0170%$76
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9341%$8,595

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $659,439 would pay approximately $4,116 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