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4051 FLOWSTONE LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath1,535 sqftBuilt 2016

Property at a Glance

This home is estimated between $366,710 and $543,391, with a best estimate of $516,763. 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

$366,710 $543,391
Best Estimate
$516,763
WCAD Value
$511,346
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 $366,710 and $543,391. 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 $366,710

Adjusted -$8,645 for 39 sqft less living space and -$1,826 for being older. Net adjustment: -$10,471.

4055 FLOWSTONE LN, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
4 bed 3 bath 1,918 sqft Built 2017
Raw Value $567,304
Adjusted Value $480,577

Adjusted -$84,901 for 383 sqft less living space and -$1,826 for being older. Net adjustment: -$86,727.

4056 FLOWSTONE LN, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
4 bed 3 bath 1,490 sqft Built 2016
Raw Value $533,416
Adjusted Value $543,391

Adjusted +$9,975 for 45 sqft more living space. Net adjustment: +$9,975.

4044 FLOWSTONE LN, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 3 bath 1,508 sqft Built 2016
Raw Value $514,511
Adjusted Value $520,496

Adjusted +$5,985 for 27 sqft more living space. Net adjustment: +$5,985.

4040 FLOWSTONE LN, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
4 bed 3 bath 1,876 sqft Built 2017
Raw Value $594,180
Adjusted Value $516,763

Adjusted -$75,591 for 341 sqft less living space and -$1,826 for being older. Net adjustment: -$77,417.

The Neighborhood

This home is valued 2.3% 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

typical
1,093 Properties
$523,371 Median Value
-9.3% YoY Change
1% Have Pool
100% Have Garage
This Home
$511,346
Median
$523,371

This home is -2.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $10,566 across all districts. With a homestead exemption claimed, that drops to $9,001 — saving $1,565 per year. That's $750 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%$5,372
Highlands at Mayfield Ranch MUDMUD0.4850%$2,480
Williamson CountyCounty0.3694%$1,889
Williamson County ESD #9 - Round RockESD0.0999%$511
Williamson County FM/RdCounty0.0443%$227
Upper Brushy Creek WCIDWater0.0170%$87
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0663%$10,566

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $516,763 would pay approximately $3,226 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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