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4101 STANYAN CV, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

5 bed4 bath2,916 sqftBuilt 2018

Property at a Glance

This home is estimated between $597,877 and $882,979, with a best estimate of $643,202. That places the property above the G799514C - MAYFIELD RANCH median of $523,371, in a neighborhood that declined 9.3% over the past year.

Estimated Value Range

$597,877 $882,979
Best Estimate
$643,202
WCAD Value
$744,010
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 $597,877 and $882,979. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4225 SOMA CV, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,885 sqft Built 2019
Raw Value $638,156
Adjusted Value $643,202

Adjusted +$6,872 for 31 sqft more living space and -$1,826 for being older. Net adjustment: +$5,046.

3601 KINGSLEY CV, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,243 sqft Built 2019
Raw Value $476,264
Adjusted Value $623,624

Adjusted +$149,186 for 673 sqft more living space and -$1,826 for being older. Net adjustment: +$147,360.

4105 STANYAN CV, ROUND ROCK, TX 78681
0.00 mi 98% similar Same subdivision
4 bed 3 bath 2,064 sqft Built 2019
Raw Value $695,939
Adjusted Value $882,979

Adjusted +$188,866 for 852 sqft more living space and -$1,826 for being older. Net adjustment: +$187,040.

3605 KEARNEY CV, ROUND ROCK, TX 78681
0.00 mi 96% similar Same subdivision
4 bed 2 bath 2,269 sqft Built 2017
Raw Value $522,642
Adjusted Value $667,891

Adjusted +$143,423 for 647 sqft more living space and +$1,826 for being newer. Net adjustment: +$145,249.

4204 SOMA CV, ROUND ROCK, TX 78681
0.00 mi 96% similar Same subdivision
3 bed 2 bath 2,443 sqft Built 2018
Raw Value $493,026
Adjusted Value $597,877

Adjusted +$104,851 for 473 sqft more living space. Net adjustment: +$104,851.

The Neighborhood

This home is valued 42.2% above the G799514C - MAYFIELD RANCH median of $523,371. With 1,093 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 9.3% over the past year.

G799514C - MAYFIELD RANCH

above average
1,093 Properties
$523,371 Median Value
-9.3% YoY Change
1% Have Pool
100% Have Garage
This Home
$744,010
Median
$523,371

This home is +42.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $15,373 across all districts. With a homestead exemption claimed, that drops to $13,765 — saving $1,608 per year. That's $1,147 per month a buyer should budget. The assessed value increased +0.7% vs the subdivision average of -9.3%. This above-average increase gives a protest opportunity score of 50 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Georgetown ISDSchool1.0506%$7,817
Highlands at Mayfield Ranch MUDMUD0.4850%$3,608
Williamson CountyCounty0.3694%$2,749
Williamson County ESD #9 - Round RockESD0.0999%$743
Williamson County FM/RdCounty0.0443%$330
Upper Brushy Creek WCIDWater0.0170%$126
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0663%$15,373
50 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $643,202 would pay approximately $4,015 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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