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4006 FLOWSTONE LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath2,142 sqftBuilt 2022

Property at a Glance

This home is estimated between $471,810 and $656,572, with a best estimate of $513,539. 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

$471,810 $656,572
Best Estimate
$513,539
WCAD Value
$467,812
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 $471,810 and $656,572. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4010 FLOWSTONE LN, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 3 bath 2,041 sqft Built 2022
Raw Value $612,143
Adjusted Value $634,532

Adjusted +$22,389 for 101 sqft more living space. Net adjustment: +$22,389.

4002 FLOWSTONE LN, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 3 bath 2,001 sqft Built 2022
Raw Value $625,316
Adjusted Value $656,572

Adjusted +$31,256 for 141 sqft more living space. Net adjustment: +$31,256.

4018 FLOWSTONE LN, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
4 bed 3 bath 2,102 sqft Built 2016
Raw Value $451,986
Adjusted Value $471,810

Adjusted +$8,867 for 40 sqft more living space and +$10,957 for being newer. Net adjustment: +$19,824.

4019 FLOWSTONE LN, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,829 sqft Built 2017
Raw Value $411,040
Adjusted Value $489,554

Adjusted +$69,384 for 313 sqft more living space and +$9,130 for being newer. Net adjustment: +$78,514.

4022 FLOWSTONE LN, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 4 bath 2,101 sqft Built 2016
Raw Value $493,493
Adjusted Value $513,539

Adjusted +$9,089 for 41 sqft more living space and +$10,957 for being newer. Net adjustment: +$20,046.

The Neighborhood

This home is valued 10.6% 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
$467,812
Median
$523,371

This home is -10.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,666 across all districts. With a homestead exemption claimed, that drops to $8,109 — saving $1,557 per year. That's $676 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%$4,915
Highlands at Mayfield Ranch MUDMUD0.4850%$2,269
Williamson CountyCounty0.3694%$1,728
Williamson County ESD #9 - Round RockESD0.0999%$467
Williamson County FM/RdCounty0.0443%$207
Upper Brushy Creek WCIDWater0.0170%$80
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0663%$9,666

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $513,539 would pay approximately $3,205 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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