Beta Williamson County, TX only — data and coverage are limited during early access.

3418 FLOWSTONE LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,562 sqftBuilt 2000

Property at a Glance

This home is estimated between $220,071 and $311,361, with a best estimate of $297,169. 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

$220,071 $311,361
Best Estimate
$297,169
WCAD Value
$301,448
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 $220,071 and $311,361. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3420 FLOWSTONE LN, ROUND ROCK, TX 78681
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,728 sqft Built 2000
Raw Value $330,962
Adjusted Value $297,169

Adjusted -$33,793 for 166 sqft less living space. Net adjustment: -$33,793.

3412 FLOWSTONE LN, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,682 sqft Built 2000
Raw Value $335,790
Adjusted Value $311,361

Adjusted -$24,429 for 120 sqft less living space. Net adjustment: -$24,429.

3422 FLOWSTONE LN, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,682 sqft Built 2000
Raw Value $324,860
Adjusted Value $300,431

Adjusted -$24,429 for 120 sqft less living space. Net adjustment: -$24,429.

3300 CANTERA WAY, ROUND ROCK, TX 78681
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,346 sqft Built 2000
Raw Value $379,672
Adjusted Value $220,071

Adjusted -$159,601 for 784 sqft less living space. Net adjustment: -$159,601.

3302 CANTERA WAY, ROUND ROCK, TX 78681
0.04 mi 100% similar Same subdivision
3 bed 2 bath 1,957 sqft Built 2000
Raw Value $366,892
Adjusted Value $286,481

Adjusted -$80,411 for 395 sqft less living space. Net adjustment: -$80,411.

The Neighborhood

This home is valued 18.1% 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

below average
1,045 Properties
$368,194 Median Value
-10.9% YoY Change
1% Have Pool
99% Have Garage
This Home
$301,448
Median
$368,194

This home is -18.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,424 across all districts. With a homestead exemption claimed, that drops to $4,118 — saving $1,306 per year. That's $343 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%$2,692
Round RockCity0.3720%$1,121
Williamson CountyCounty0.3694%$1,114
Austin Community Collegespecial0.1034%$312
Williamson County FM/RdCounty0.0443%$134
Upper Brushy Creek WCIDWater0.0170%$51
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,424

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $297,169 would pay approximately $1,855 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.

View full property details