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3439 TOURMALINE TRL, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

5 bed5 bath2,703 sqftBuilt 2008

Property at a Glance

This home is estimated between $1,049,916 and $1,231,106, with a best estimate of $1,157,050. That places the property above the R147606C - WALSH RANCH median of $933,667, in a neighborhood that declined 4.6% over the past year.

Estimated Value Range

$1,049,916 $1,231,106
Best Estimate
$1,157,050
WCAD Value
$1,192,992
High Confidence

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

Based on 5 comparable properties in R147606C - WALSH RANCH, this home's estimated market value is between $1,049,916 and $1,231,106. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3409 TOURMALINE TRL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,684 sqft Built 2008
Raw Value $1,080,042
Adjusted Value $1,087,768

Adjusted +$7,726 for 19 sqft more living space. Net adjustment: +$7,726.

3440 TOURMALINE TRL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,586 sqft Built 2008
Raw Value $1,109,475
Adjusted Value $1,157,050

Adjusted +$47,575 for 117 sqft more living space. Net adjustment: +$47,575.

3423 TOURMALINE TRL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,404 sqft Built 2009
Raw Value $914,440
Adjusted Value $1,049,916

Adjusted +$121,581 for 299 sqft more living space and +$13,895 for being newer. Net adjustment: +$135,476.

3448 TOURMALINE TRL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
5 bed 4 bath 2,408 sqft Built 2008
Raw Value $1,045,926
Adjusted Value $1,165,881

Adjusted +$119,955 for 295 sqft more living space. Net adjustment: +$119,955.

3428 TOURMALINE TRL, ROUND ROCK, TX 78681
0.00 mi 97% similar Same subdivision
4 bed 3 bath 2,023 sqft Built 2009
Raw Value $940,706
Adjusted Value $1,231,106

Adjusted +$276,505 for 680 sqft more living space and +$13,895 for being newer. Net adjustment: +$290,400.

The Neighborhood

This home is valued 27.8% above the R147606C - WALSH RANCH median of $933,667. With 239 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 4.6% over the past year.

R147606C - WALSH RANCH

above average
239 Properties
$933,667 Median Value
-4.6% YoY Change
0% Have Pool
100% Have Garage
This Home
$1,192,992
Median
$933,667

This home is +27.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $22,342 across all districts. With a homestead exemption claimed, that drops to $20,871 — saving $1,471 per year. That's $1,739 per month a buyer should budget. The assessed value increased +8.5% vs the subdivision average of -4.6%. This above-average increase gives a protest opportunity score of 70 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$10,655
Williamson CountyCounty0.3694%$4,407
Walsh Ranch MUDMUD0.3455%$4,122
Austin Community Collegespecial0.1034%$1,234
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$1,193
Williamson County FM/RdCounty0.0443%$529
Upper Brushy Creek WCIDWater0.0170%$203
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8728%$22,342
70 / 100

There may be a strong case to protest this appraisal.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,157,050 would pay approximately $7,222 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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