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4122 VAN NESS AVE, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath2,135 sqftBuilt 2017

Property at a Glance

This home is estimated between $441,364 and $567,573, with a best estimate of $453,026. That places the property below the G799514C - MAYFIELD RANCH median of $523,371, in a neighborhood that declined 9.3% over the past year.

Estimated Value Range

$441,364 $567,573
Best Estimate
$453,026
WCAD Value
$449,970
High Confidence

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

Based on 5 comparable properties in G799514C - MAYFIELD RANCH, this home's estimated market value is between $441,364 and $567,573. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4148 VAN NESS AVE, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,801 sqft Built 2017
Raw Value $493,534
Adjusted Value $567,573

Adjusted +$74,039 for 334 sqft more living space. Net adjustment: +$74,039.

4143 VAN NESS AVE, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,186 sqft Built 2017
Raw Value $459,265
Adjusted Value $447,960

Adjusted -$11,305 for 51 sqft less living space. Net adjustment: -$11,305.

4140 VAN NESS AVE, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,298 sqft Built 2017
Raw Value $477,497
Adjusted Value $441,364

Adjusted -$36,133 for 163 sqft less living space. Net adjustment: -$36,133.

4172 VAN NESS AVE, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,107 sqft Built 2019
Raw Value $457,219
Adjusted Value $459,774

Adjusted +$6,207 for 28 sqft more living space and -$3,652 for being older. Net adjustment: +$2,555.

4176 VAN NESS AVE, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,248 sqft Built 2018
Raw Value $479,901
Adjusted Value $453,026

Adjusted -$25,049 for 113 sqft less living space and -$1,826 for being older. Net adjustment: -$26,875.

The Neighborhood

This home is valued 14.0% below the G799514C - MAYFIELD RANCH median of $523,371. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 9.3% over the past year.

G799514C - MAYFIELD RANCH

typical
1,093 Properties
$523,371 Median Value
-9.3% YoY Change
1% Have Pool
100% Have Garage
This Home
$449,970
Median
$523,371

This home is -14.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,298 across all districts. With a homestead exemption claimed, that drops to $7,744 — saving $1,554 per year. That's $645 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
Georgetown ISDSchool1.0506%$4,727
Highlands at Mayfield Ranch MUDMUD0.4850%$2,182
Williamson CountyCounty0.3694%$1,662
Williamson County ESD #9 - Round RockESD0.0999%$450
Williamson County FM/RdCounty0.0443%$199
Upper Brushy Creek WCIDWater0.0170%$76
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0663%$9,298

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $453,026 would pay approximately $2,828 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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