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4043 FLOWSTONE LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath2,137 sqftBuilt 2017

Property at a Glance

This home is estimated between $456,656 and $501,983, with a best estimate of $477,306. 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

$456,656 $501,983
Best Estimate
$477,306
WCAD Value
$466,830
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 $456,656 and $501,983. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4047 FLOWSTONE LN, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,574 sqft Built 2017
Raw Value $377,181
Adjusted Value $501,983

Adjusted +$124,802 for 563 sqft more living space. Net adjustment: +$124,802.

4039 FLOWSTONE LN, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
3 bed 2 bath 2,102 sqft Built 2017
Raw Value $448,897
Adjusted Value $456,656

Adjusted +$7,759 for 35 sqft more living space. Net adjustment: +$7,759.

4052 FLOWSTONE LN, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
3 bed 2 bath 2,104 sqft Built 2017
Raw Value $451,279
Adjusted Value $458,594

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

4048 FLOWSTONE LN, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
3 bed 2 bath 2,016 sqft Built 2017
Raw Value $450,484
Adjusted Value $477,306

Adjusted +$26,822 for 121 sqft more living space. Net adjustment: +$26,822.

4035 FLOWSTONE LN, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,574 sqft Built 2017
Raw Value $377,181
Adjusted Value $501,983

Adjusted +$124,802 for 563 sqft more living space. Net adjustment: +$124,802.

The Neighborhood

This home is valued 10.8% 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
$466,830
Median
$523,371

This home is -10.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,646 across all districts. With a homestead exemption claimed, that drops to $8,089 — saving $1,557 per year. That's $674 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%$4,905
Highlands at Mayfield Ranch MUDMUD0.4850%$2,264
Williamson CountyCounty0.3694%$1,725
Williamson County ESD #9 - Round RockESD0.0999%$466
Williamson County FM/RdCounty0.0443%$207
Upper Brushy Creek WCIDWater0.0170%$79
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0663%$9,646

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $477,306 would pay approximately $2,979 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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