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4123 VAN NESS AVE, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath2,219 sqftBuilt 2017

Property at a Glance

This home is estimated between $459,985 and $586,193, with a best estimate of $471,646. 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

$459,985 $586,193
Best Estimate
$471,646
WCAD Value
$468,521
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 $459,985 and $586,193. 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 $586,193

Adjusted +$92,659 for 418 sqft more living space. Net adjustment: +$92,659.

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 $466,580

Adjusted +$7,315 for 33 sqft more living space. Net adjustment: +$7,315.

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 $459,985

Adjusted -$17,512 for 79 sqft less living space. Net adjustment: -$17,512.

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 $478,394

Adjusted +$24,827 for 112 sqft more living space and -$3,652 for being older. Net adjustment: +$21,175.

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 $471,646

Adjusted -$6,429 for 29 sqft less living space and -$1,826 for being older. Net adjustment: -$8,255.

The Neighborhood

This home is valued 10.5% 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
$468,521
Median
$523,371

This home is -10.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,681 across all districts. With a homestead exemption claimed, that drops to $8,124 — saving $1,557 per year. That's $677 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%$4,922
Highlands at Mayfield Ranch MUDMUD0.4850%$2,272
Williamson CountyCounty0.3694%$1,731
Williamson County ESD #9 - Round RockESD0.0999%$468
Williamson County FM/RdCounty0.0443%$208
Upper Brushy Creek WCIDWater0.0170%$80
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0663%$9,681

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $471,646 would pay approximately $2,944 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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