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4179 VAN NESS AVE, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath1,388 sqftBuilt 2018

Property at a Glance

This home is estimated between $289,031 and $527,008, with a best estimate of $512,187. 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

$289,031 $527,008
Best Estimate
$512,187
WCAD Value
$500,600
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 $289,031 and $527,008. 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 $403,809

Adjusted -$91,551 for 413 sqft less living space and +$1,826 for being newer. Net adjustment: -$89,725.

4144 VAN NESS AVE, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,156 sqft Built 2017
Raw Value $459,163
Adjusted Value $512,417

Adjusted +$51,428 for 232 sqft more living space and +$1,826 for being newer. Net adjustment: +$53,254.

4159 VAN NESS AVE, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,292 sqft Built 2017
Raw Value $487,598
Adjusted Value $289,031

Adjusted -$200,393 for 904 sqft less living space and +$1,826 for being newer. Net adjustment: -$198,567.

4110 VAN NESS AVE, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,166 sqft Built 2017
Raw Value $475,971
Adjusted Value $527,008

Adjusted +$49,211 for 222 sqft more living space and +$1,826 for being newer. Net adjustment: +$51,037.

4156 VAN NESS AVE, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,208 sqft Built 2017
Raw Value $470,460
Adjusted Value $512,187

Adjusted +$39,901 for 180 sqft more living space and +$1,826 for being newer. Net adjustment: +$41,727.

The Neighborhood

This home is valued 4.4% 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
$500,600
Median
$523,371

This home is -4.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $10,344 across all districts. With a homestead exemption claimed, that drops to $8,781 — saving $1,563 per year. That's $732 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%$5,259
Highlands at Mayfield Ranch MUDMUD0.4850%$2,428
Williamson CountyCounty0.3694%$1,849
Williamson County ESD #9 - Round RockESD0.0999%$500
Williamson County FM/RdCounty0.0443%$222
Upper Brushy Creek WCIDWater0.0170%$85
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0663%$10,344

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $512,187 would pay approximately $3,197 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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