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4079 FLOWSTONE LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

5 bed4 bath2,167 sqftBuilt 2017

Property at a Glance

This home is estimated between $463,306 and $622,501, with a best estimate of $473,480. 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

$463,306 $622,501
Best Estimate
$473,480
WCAD Value
$666,770
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 $463,306 and $622,501. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4075 FLOWSTONE LN, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 3 bath 2,237 sqft Built 2017
Raw Value $632,809
Adjusted Value $617,292

Adjusted -$15,517 for 70 sqft less living space. Net adjustment: -$15,517.

4059 FLOWSTONE LN, ROUND ROCK, TX 78681
0.06 mi 100% similar Same subdivision
3 bed 2 bath 2,102 sqft Built 2017
Raw Value $448,897
Adjusted Value $463,306

Adjusted +$14,409 for 65 sqft more living space. Net adjustment: +$14,409.

4055 FLOWSTONE LN, ROUND ROCK, TX 78681
0.06 mi 100% similar Same subdivision
4 bed 3 bath 1,918 sqft Built 2017
Raw Value $567,304
Adjusted Value $622,501

Adjusted +$55,197 for 249 sqft more living space. Net adjustment: +$55,197.

4043 FLOWSTONE LN, ROUND ROCK, TX 78681
0.09 mi 100% similar Same subdivision
3 bed 2 bath 2,137 sqft Built 2017
Raw Value $466,830
Adjusted Value $473,480

Adjusted +$6,650 for 30 sqft more living space. Net adjustment: +$6,650.

4052 FLOWSTONE LN, ROUND ROCK, TX 78681
0.09 mi 100% similar Same subdivision
3 bed 2 bath 2,104 sqft Built 2017
Raw Value $451,279
Adjusted Value $465,244

Adjusted +$13,965 for 63 sqft more living space. Net adjustment: +$13,965.

The Neighborhood

This home is valued 27.4% 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
$666,770
Median
$523,371

This home is +27.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $13,777 across all districts. With a homestead exemption claimed, that drops to $12,183 — saving $1,594 per year. That's $1,015 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%$7,005
Highlands at Mayfield Ranch MUDMUD0.4850%$3,234
Williamson CountyCounty0.3694%$2,463
Williamson County ESD #9 - Round RockESD0.0999%$666
Williamson County FM/RdCounty0.0443%$296
Upper Brushy Creek WCIDWater0.0170%$113
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0663%$13,777

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $473,480 would pay approximately $2,955 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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