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4019 FLOWSTONE LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,829 sqftBuilt 2017

Property at a Glance

This home is estimated between $393,295 and $607,860, with a best estimate of $556,018. 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

$393,295 $607,860
Best Estimate
$556,018
WCAD Value
$411,040
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 $393,295 and $607,860. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4015 FLOWSTONE LN, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,471 sqft Built 2017
Raw Value $528,501
Adjusted Value $607,860

Adjusted +$79,359 for 358 sqft more living space. Net adjustment: +$79,359.

4027 FLOWSTONE LN, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 3 bath 1,916 sqft Built 2017
Raw Value $539,044
Adjusted Value $519,758

Adjusted -$19,286 for 87 sqft less living space. Net adjustment: -$19,286.

4018 FLOWSTONE LN, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 3 bath 2,102 sqft Built 2016
Raw Value $451,986
Adjusted Value $393,295

Adjusted -$60,517 for 273 sqft less living space and +$1,826 for being newer. Net adjustment: -$58,691.

4014 FLOWSTONE LN, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 3 bath 1,535 sqft Built 2016
Raw Value $513,889
Adjusted Value $580,887

Adjusted +$65,172 for 294 sqft more living space and +$1,826 for being newer. Net adjustment: +$66,998.

4010 FLOWSTONE LN, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
4 bed 3 bath 2,041 sqft Built 2022
Raw Value $612,143
Adjusted Value $556,018

Adjusted -$46,995 for 212 sqft less living space and -$9,130 for being older. Net adjustment: -$56,125.

The Neighborhood

This home is valued 21.5% 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

below average
1,093 Properties
$523,371 Median Value
-9.3% YoY Change
1% Have Pool
100% Have Garage
This Home
$411,040
Median
$523,371

This home is -21.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,493 across all districts. With a homestead exemption claimed, that drops to $6,946 — saving $1,547 per year. That's $579 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%$4,318
Highlands at Mayfield Ranch MUDMUD0.4850%$1,994
Williamson CountyCounty0.3694%$1,519
Williamson County ESD #9 - Round RockESD0.0999%$411
Williamson County FM/RdCounty0.0443%$182
Upper Brushy Creek WCIDWater0.0170%$70
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0663%$8,493

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $556,018 would pay approximately $3,471 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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