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4063 FLOWSTONE LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,792 sqftBuilt 2017

Property at a Glance

This home is estimated between $341,583 and $634,090, with a best estimate of $539,373. 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

$341,583 $634,090
Best Estimate
$539,373
WCAD Value
$406,476
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 $341,583 and $634,090. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4067 FLOWSTONE LN, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 3 bath 1,508 sqft Built 2017
Raw Value $571,135
Adjusted Value $634,090

Adjusted +$62,955 for 284 sqft more living space. Net adjustment: +$62,955.

4071 FLOWSTONE LN, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
3 bed 2 bath 2,556 sqft Built 2017
Raw Value $510,941
Adjusted Value $341,583

Adjusted -$169,358 for 764 sqft less living space. Net adjustment: -$169,358.

4059 FLOWSTONE LN, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
3 bed 2 bath 2,102 sqft Built 2017
Raw Value $448,897
Adjusted Value $380,178

Adjusted -$68,719 for 310 sqft less living space. Net adjustment: -$68,719.

4055 FLOWSTONE LN, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 3 bath 1,918 sqft Built 2017
Raw Value $567,304
Adjusted Value $539,373

Adjusted -$27,931 for 126 sqft less living space. Net adjustment: -$27,931.

4051 FLOWSTONE LN, ROUND ROCK, TX 78681
0.04 mi 100% similar Same subdivision
4 bed 3 bath 1,535 sqft Built 2016
Raw Value $511,346
Adjusted Value $570,142

Adjusted +$56,970 for 257 sqft more living space and +$1,826 for being newer. Net adjustment: +$58,796.

The Neighborhood

This home is valued 22.3% 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
$406,476
Median
$523,371

This home is -22.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,399 across all districts. With a homestead exemption claimed, that drops to $6,853 — saving $1,546 per year. That's $571 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%$4,270
Highlands at Mayfield Ranch MUDMUD0.4850%$1,971
Williamson CountyCounty0.3694%$1,502
Williamson County ESD #9 - Round RockESD0.0999%$406
Williamson County FM/RdCounty0.0443%$180
Upper Brushy Creek WCIDWater0.0170%$69
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0663%$8,399

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $539,373 would pay approximately $3,367 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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