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4120 MOSS HOLLOW DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,436 sqftBuilt 1998

Property at a Glance

This home is estimated between $183,767 and $449,016, with a best estimate of $279,228. 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

$183,767 $449,016
Best Estimate
$279,228
WCAD Value
$553,882
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 $183,767 and $449,016. 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 $279,228

Adjusted -$145,564 for 517 sqft less living space. Net adjustment: -$145,564.

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 $449,016

Adjusted -$1,126 for 4 sqft less living space. Net adjustment: -$1,126.

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 $259,665

Adjusted -$174,001 for 618 sqft less living space. Net adjustment: -$174,001.

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 $183,767

Adjusted -$261,565 for 929 sqft less living space and +$3,552 for being newer. Net adjustment: -$258,013.

4128 MOSS HOLLOW DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,924 sqft Built 2001
Raw Value $431,411
Adjusted Value $283,355

Adjusted -$137,399 for 488 sqft less living space and -$10,657 for being older. Net adjustment: -$148,056.

The Neighborhood

This home is valued 23.2% 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

above average
904 Properties
$449,628 Median Value
-2.9% YoY Change
1% Have Pool
99% Have Garage
This Home
$553,882
Median
$449,628

This home is +23.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,713 across all districts. With a homestead exemption claimed, that drops to $9,089 — saving $1,624 per year. That's $757 per month a buyer should budget. The assessed value increased +4.8% vs the subdivision average of -2.9%. This above-average increase gives a protest opportunity score of 49 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Leander ISDSchool1.0869%$6,020
Williamson CountyCounty0.3694%$2,046
Vista Oaks MUDMUD0.2131%$1,180
Austin Community Collegespecial0.1034%$573
Williamson County ESD #9 - Round RockESD0.0999%$553
Williamson County FM/RdCounty0.0443%$246
Upper Brushy Creek WCIDWater0.0170%$94
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9341%$10,713
49 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $279,228 would pay approximately $1,743 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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