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4151 VAN NESS AVE, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,612 sqftBuilt 2017

Property at a Glance

This home is estimated between $325,429 and $451,638, with a best estimate of $337,091. 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

$325,429 $451,638
Best Estimate
$337,091
WCAD Value
$386,587
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 $325,429 and $451,638. 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 $451,638

Adjusted -$41,896 for 189 sqft less living space. Net adjustment: -$41,896.

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 $332,025

Adjusted -$127,240 for 574 sqft less living space. Net adjustment: -$127,240.

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 $325,429

Adjusted -$152,068 for 686 sqft less living space. Net adjustment: -$152,068.

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 $343,839

Adjusted -$109,728 for 495 sqft less living space and -$3,652 for being older. Net adjustment: -$113,380.

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 $337,091

Adjusted -$140,984 for 636 sqft less living space and -$1,826 for being older. Net adjustment: -$142,810.

The Neighborhood

This home is valued 26.1% 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

below average
1,093 Properties
$523,371 Median Value
-9.3% YoY Change
1% Have Pool
100% Have Garage
This Home
$386,587
Median
$523,371

This home is -26.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,988 across all districts. With a homestead exemption claimed, that drops to $6,446 — saving $1,542 per year. That's $537 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%$4,061
Highlands at Mayfield Ranch MUDMUD0.4850%$1,875
Williamson CountyCounty0.3694%$1,428
Williamson County ESD #9 - Round RockESD0.0999%$386
Williamson County FM/RdCounty0.0443%$171
Upper Brushy Creek WCIDWater0.0170%$66
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0663%$7,988

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $337,091 would pay approximately $2,104 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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