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4155 VAN NESS AVE, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath2,235 sqftBuilt 2017

Property at a Glance

This home is estimated between $463,532 and $504,488, with a best estimate of $475,193. 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

$463,532 $504,488
Best Estimate
$475,193
WCAD Value
$470,804
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 $463,532 and $504,488. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

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 $470,127

Adjusted +$10,862 for 49 sqft more living space. Net adjustment: +$10,862.

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 $463,532

Adjusted -$13,965 for 63 sqft less living space. Net adjustment: -$13,965.

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 $481,941

Adjusted +$28,374 for 128 sqft more living space and -$3,652 for being older. Net adjustment: +$24,722.

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 $475,193

Adjusted -$2,882 for 13 sqft less living space and -$1,826 for being older. Net adjustment: -$4,708.

4115 VAN NESS AVE, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,805 sqft Built 2017
Raw Value $409,168
Adjusted Value $504,488

Adjusted +$95,320 for 430 sqft more living space. Net adjustment: +$95,320.

The Neighborhood

This home is valued 10.0% 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
$470,804
Median
$523,371

This home is -10.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,728 across all districts. With a homestead exemption claimed, that drops to $8,170 — saving $1,558 per year. That's $681 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%$4,946
Highlands at Mayfield Ranch MUDMUD0.4850%$2,283
Williamson CountyCounty0.3694%$1,739
Williamson County ESD #9 - Round RockESD0.0999%$470
Williamson County FM/RdCounty0.0443%$209
Upper Brushy Creek WCIDWater0.0170%$80
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0663%$9,728

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $475,193 would pay approximately $2,966 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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