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129 ALONDRA WAY, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath2,239 sqftBuilt 2014

Property at a Glance

This home is estimated between $158,051 and $806,329, with a best estimate of $673,761. That places the property below the R100411D - SENDERO SPRINGS SEC. 6 median of $691,941, in a neighborhood that declined 7.4% over the past year.

Estimated Value Range

$158,051 $806,329
Best Estimate
$673,761
WCAD Value
$821,330
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R100411D - SENDERO SPRINGS SEC. 6. The estimated range of $158,051 and $806,329 should be treated as a rough guide.

Comparable Properties (5)

4 bed 3 bath 2,232 sqft Built 2025
Raw Value $706,960
Adjusted Value $605,676

Adjusted +$2,580 for 7 sqft more living space and -$103,864 for being older. Net adjustment: -$101,284.

4 bed 3 bath 2,122 sqft Built 2025
Raw Value $218,792
Adjusted Value $158,051

Adjusted +$43,123 for 117 sqft more living space and -$103,864 for being older. Net adjustment: -$60,741.

4 bed 2 bath 1,998 sqft Built 1992
Raw Value $509,775
Adjusted Value $806,329

Adjusted +$88,827 for 241 sqft more living space and +$207,727 for being newer. Net adjustment: +$296,554.

3 bed 2 bath 2,156 sqft Built 1992
Raw Value $435,442
Adjusted Value $673,761

Adjusted +$30,592 for 83 sqft more living space and +$207,727 for being newer. Net adjustment: +$238,319.

3 bed 2 bath 2,042 sqft Built 1992
Raw Value $401,968
Adjusted Value $682,304

Adjusted +$72,609 for 197 sqft more living space and +$207,727 for being newer. Net adjustment: +$280,336.

The Neighborhood

This home is valued 18.7% above the R100411D - SENDERO SPRINGS SEC. 6 median of $691,941. With 189 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 7.4% over the past year.

R100411D - SENDERO SPRINGS SEC. 6

above average
189 Properties
$691,941 Median Value
-7.4% YoY Change
1% Have Pool
100% Have Garage
This Home
$821,330
Median
$691,941

This home is +18.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $16,460 across all districts. With a homestead exemption claimed, that drops to $15,058 — saving $1,402 per year. That's $1,255 per month a buyer should budget. The assessed value increased +2.0% vs the subdivision average of -7.4%. This above-average increase gives a protest opportunity score of 47 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$7,335
Brushy Creek MUDMUD0.3868%$3,177
Williamson CountyCounty0.3694%$3,034
Austin Community Collegespecial0.1034%$849
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$821
Brushy Creek MUD Defined AreaMUD0.0900%$739
Williamson County FM/RdCounty0.0443%$364
Upper Brushy Creek WCIDWater0.0170%$140
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0041%$16,460
47 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $673,761 would pay approximately $4,206 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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