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121 E ADELANTA PL, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed2 bath1,605 sqftBuilt 2013

Property at a Glance

This home is estimated between $578,211 and $756,375, with a best estimate of $702,045. That places the property above the R100411D - SENDERO SPRINGS SEC. 6 median of $691,941, in a neighborhood that declined 7.4% over the past year.

Estimated Value Range

$578,211 $756,375
Best Estimate
$702,045
WCAD Value
$601,177
Low Confidence

Based on 5 comparable properties(2 in the same subdivision)

There are 5 comparable properties within range, but few are in R100411D - SENDERO SPRINGS SEC. 6. The estimated range of $578,211 and $756,375 should be treated as a rough guide.

Comparable Properties (5)

128 W ADELANTA PL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,606 sqft Built 2013
Raw Value $628,241
Adjusted Value $627,872

Adjusted -$369 for 1 sqft less living space. Net adjustment: -$369.

129 ALONDRA WAY, ROUND ROCK, TX 78681
0.00 mi 85% similar Same subdivision
4 bed 3 bath 2,239 sqft Built 2014
Raw Value $821,330
Adjusted Value $578,211

Adjusted -$233,677 for 634 sqft less living space and -$9,442 for being older. Net adjustment: -$243,119.

4 bed 2 bath 1,594 sqft Built 1990
Raw Value $494,095
Adjusted Value $715,318

Adjusted +$4,054 for 11 sqft more living space and +$217,169 for being newer. Net adjustment: +$221,223.

4 bed 2 bath 1,594 sqft Built 1990
Raw Value $535,152
Adjusted Value $756,375

Adjusted +$4,054 for 11 sqft more living space and +$217,169 for being newer. Net adjustment: +$221,223.

4 bed 2 bath 1,459 sqft Built 1991
Raw Value $440,506
Adjusted Value $702,045

Adjusted +$53,812 for 146 sqft more living space and +$207,727 for being newer. Net adjustment: +$261,539.

The Neighborhood

This home is valued 13.1% below the R100411D - SENDERO SPRINGS SEC. 6 median of $691,941. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 7.4% over the past year.

R100411D - SENDERO SPRINGS SEC. 6

typical
189 Properties
$691,941 Median Value
-7.4% YoY Change
1% Have Pool
100% Have Garage
This Home
$601,177
Median
$691,941

This home is -13.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $12,048 across all districts. With a homestead exemption claimed, that drops to $10,687 — saving $1,361 per year. That's $891 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%$5,369
Brushy Creek MUDMUD0.3868%$2,326
Williamson CountyCounty0.3694%$2,221
Austin Community Collegespecial0.1034%$622
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$601
Brushy Creek MUD Defined AreaMUD0.0900%$541
Williamson County FM/RdCounty0.0443%$266
Upper Brushy Creek WCIDWater0.0170%$102
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0041%$12,048

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $702,045 would pay approximately $4,382 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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