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3420 FLOWSTONE LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,728 sqftBuilt 2000

Property at a Glance

This home is estimated between $253,864 and $344,779, with a best estimate of $334,224. That places the property below the R107503F - PRESERVE AT STONE OAK - PH 3 & 4 median of $368,194, in a neighborhood that declined 10.9% over the past year.

Estimated Value Range

$253,864 $344,779
Best Estimate
$334,224
WCAD Value
$330,962
High Confidence

Based on 5 comparable properties(5 in the same subdivision)

Based on 5 comparable properties in R107503F - PRESERVE AT STONE OAK - PH 3 & 4, this home's estimated market value is between $253,864 and $344,779. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3422 FLOWSTONE LN, ROUND ROCK, TX 78681
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,682 sqft Built 2000
Raw Value $324,860
Adjusted Value $334,224

Adjusted +$9,364 for 46 sqft more living space. Net adjustment: +$9,364.

3418 FLOWSTONE LN, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,562 sqft Built 2000
Raw Value $301,448
Adjusted Value $335,241

Adjusted +$33,793 for 166 sqft more living space. Net adjustment: +$33,793.

3300 CANTERA WAY, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
3 bed 2 bath 2,346 sqft Built 2000
Raw Value $379,672
Adjusted Value $253,864

Adjusted -$125,808 for 618 sqft less living space. Net adjustment: -$125,808.

3302 CANTERA WAY, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,957 sqft Built 2000
Raw Value $366,892
Adjusted Value $320,274

Adjusted -$46,618 for 229 sqft less living space. Net adjustment: -$46,618.

1015 BALANCED ROCK PL, ROUND ROCK, TX 78681
0.04 mi 100% similar Same subdivision
3 bed 2 bath 1,682 sqft Built 2001
Raw Value $334,014
Adjusted Value $344,779

Adjusted +$9,364 for 46 sqft more living space and +$1,401 for being newer. Net adjustment: +$10,765.

The Neighborhood

This home is valued 10.1% below the R107503F - PRESERVE AT STONE OAK - PH 3 & 4 median of $368,194. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 10.9% over the past year.

R107503F - PRESERVE AT STONE OAK - PH 3 & 4

typical
1,045 Properties
$368,194 Median Value
-10.9% YoY Change
1% Have Pool
99% Have Garage
This Home
$330,962
Median
$368,194

This home is -10.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,955 across all districts. With a homestead exemption claimed, that drops to $4,643 — saving $1,312 per year. That's $387 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
Round Rock ISDSchool0.8931%$2,956
Round RockCity0.3720%$1,231
Williamson CountyCounty0.3694%$1,223
Austin Community Collegespecial0.1034%$342
Williamson County FM/RdCounty0.0443%$147
Upper Brushy Creek WCIDWater0.0170%$56
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,955

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $334,224 would pay approximately $2,086 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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