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4128 MOSS HOLLOW DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,924 sqftBuilt 2001

Property at a Glance

This home is estimated between $331,824 and $597,072, with a best estimate of $407,721. 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

$331,824 $597,072
Best Estimate
$407,721
WCAD Value
$431,411
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 $331,824 and $597,072. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4110 MOSS HOLLOW DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,953 sqft Built 1998
Raw Value $424,792
Adjusted Value $427,284

Adjusted -$8,165 for 29 sqft less living space and +$10,657 for being newer. Net adjustment: +$2,492.

4105 MOSS HOLLOW DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,440 sqft Built 1998
Raw Value $450,142
Adjusted Value $597,072

Adjusted +$136,273 for 484 sqft more living space and +$10,657 for being newer. Net adjustment: +$146,930.

4126 MOSS HOLLOW DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,295 sqft Built 1998
Raw Value $426,707
Adjusted Value $332,907

Adjusted -$104,457 for 371 sqft less living space and +$10,657 for being newer. Net adjustment: -$93,800.

4112 MOSS HOLLOW DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,054 sqft Built 1998
Raw Value $433,666
Adjusted Value $407,721

Adjusted -$36,602 for 130 sqft less living space and +$10,657 for being newer. Net adjustment: -$25,945.

4113 MOSS HOLLOW DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,365 sqft Built 1997
Raw Value $441,780
Adjusted Value $331,824

Adjusted -$124,166 for 441 sqft less living space and +$14,210 for being newer. Net adjustment: -$109,956.

The Neighborhood

This home is valued 4.1% 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
$431,411
Median
$449,628

This home is -4.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,344 across all districts. With a homestead exemption claimed, that drops to $6,743 — saving $1,601 per year. That's $562 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%$4,689
Williamson CountyCounty0.3694%$1,594
Vista Oaks MUDMUD0.2131%$919
Austin Community Collegespecial0.1034%$446
Williamson County ESD #9 - Round RockESD0.0999%$431
Williamson County FM/RdCounty0.0443%$191
Upper Brushy Creek WCIDWater0.0170%$73
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9341%$8,344

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $407,721 would pay approximately $2,545 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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