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4129 MOSS HOLLOW DR, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath1,428 sqftBuilt 2000

Property at a Glance

This home is estimated between $192,890 and $558,735, with a best estimate of $484,821. 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

$192,890 $558,735
Best Estimate
$484,821
WCAD Value
$584,390
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 $192,890 and $558,735. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

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 $453,868

Adjusted -$3,379 for 12 sqft less living space and +$7,105 for being newer. Net adjustment: +$3,726.

4122 MOSS HOLLOW DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,296 sqft Built 1997
Raw Value $426,623
Adjusted Value $192,890

Adjusted -$244,390 for 868 sqft less living space and +$10,657 for being newer. Net adjustment: -$233,733.

4120 MOSS HOLLOW DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,436 sqft Built 1998
Raw Value $553,882
Adjusted Value $558,735

Adjusted -$2,252 for 8 sqft less living space and +$7,105 for being newer. Net adjustment: +$4,853.

4117 MOSS HOLLOW DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,740 sqft Built 1998
Raw Value $565,561
Adjusted Value $484,821

Adjusted -$87,845 for 312 sqft less living space and +$7,105 for being newer. Net adjustment: -$80,740.

4114 MOSS HOLLOW DR, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,017 sqft Built 1997
Raw Value $408,360
Adjusted Value $534,736

Adjusted +$115,719 for 411 sqft more living space and +$10,657 for being newer. Net adjustment: +$126,376.

The Neighborhood

This home is valued 30.0% 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
$584,390
Median
$449,628

This home is +30.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $11,290 across all districts. With a homestead exemption claimed, that drops to $9,660 — saving $1,630 per year. That's $805 per month a buyer should budget. The assessed value increased +7.6% vs the subdivision average of -2.9%. This above-average increase gives a protest opportunity score of 65 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Leander ISDSchool1.0869%$6,345
Williamson CountyCounty0.3694%$2,157
Vista Oaks MUDMUD0.2131%$1,244
Austin Community Collegespecial0.1034%$604
Williamson County ESD #9 - Round RockESD0.0999%$583
Williamson County FM/RdCounty0.0443%$259
Upper Brushy Creek WCIDWater0.0170%$99
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9341%$11,290
65 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $484,821 would pay approximately $3,026 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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