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4036 FLOWSTONE LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,813 sqftBuilt 2017

Property at a Glance

This home is estimated between $386,772 and $580,215, with a best estimate of $430,161. 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

$386,772 $580,215
Best Estimate
$430,161
WCAD Value
$408,464
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 $386,772 and $580,215. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4040 FLOWSTONE LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,876 sqft Built 2017
Raw Value $594,180
Adjusted Value $580,215

Adjusted -$13,965 for 63 sqft less living space. Net adjustment: -$13,965.

4032 FLOWSTONE LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,535 sqft Built 2016
Raw Value $507,847
Adjusted Value $571,298

Adjusted +$61,625 for 278 sqft more living space and +$1,826 for being newer. Net adjustment: +$63,451.

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 $405,484

Adjusted -$45,000 for 203 sqft less living space. Net adjustment: -$45,000.

4035 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 $430,161

Adjusted +$52,980 for 239 sqft more living space. Net adjustment: +$52,980.

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 $386,772

Adjusted -$64,507 for 291 sqft less living space. Net adjustment: -$64,507.

The Neighborhood

This home is valued 22.0% 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
$408,464
Median
$523,371

This home is -22.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,440 across all districts. With a homestead exemption claimed, that drops to $6,894 — saving $1,546 per year. That's $575 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%$4,291
Highlands at Mayfield Ranch MUDMUD0.4850%$1,981
Williamson CountyCounty0.3694%$1,509
Williamson County ESD #9 - Round RockESD0.0999%$408
Williamson County FM/RdCounty0.0443%$181
Upper Brushy Creek WCIDWater0.0170%$69
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0663%$8,440

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $430,161 would pay approximately $2,685 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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