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

100 W ADELANTA PL, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath2,249 sqftBuilt 2014

Property at a Glance

This home is estimated between $744,128 and $890,958, with a best estimate of $843,486. 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

$744,128 $890,958
Best Estimate
$843,486
WCAD Value
$740,173
High Confidence

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

Based on 5 comparable properties in R100411D - SENDERO SPRINGS SEC. 6, this home's estimated market value is between $744,128 and $890,958. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

100 E ADELANTA PL, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,245 sqft Built 2013
Raw Value $733,212
Adjusted Value $744,128

Adjusted +$1,474 for 4 sqft more living space and +$9,442 for being newer. Net adjustment: +$10,916.

704 CASCADA LN, ROUND ROCK, TX 78681
0.05 mi 100% similar Same subdivision
4 bed 3 bath 2,249 sqft Built 2014
Raw Value $752,999
Adjusted Value $752,999

This comparable closely matches the subject property's features.

100 CALIMA CV, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,863 sqft Built 2012
Raw Value $724,800
Adjusted Value $885,954

Adjusted +$142,270 for 386 sqft more living space and +$18,884 for being newer. Net adjustment: +$161,154.

100 CASCADA LN, ROUND ROCK, TX 78681
0.00 mi 98% similar Same subdivision
4 bed 2 bath 1,605 sqft Built 2013
Raw Value $644,154
Adjusted Value $890,958

Adjusted +$237,362 for 644 sqft more living space and +$9,442 for being newer. Net adjustment: +$246,804.

708 CASCADA LN, ROUND ROCK, TX 78681
0.05 mi 93% similar Same subdivision
4 bed 3 bath 1,833 sqft Built 2015
Raw Value $699,601
Adjusted Value $843,486

Adjusted +$153,327 for 416 sqft more living space and -$9,442 for being older. Net adjustment: +$143,885.

The Neighborhood

This home is valued 7.0% 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

typical
189 Properties
$691,941 Median Value
-7.4% YoY Change
1% Have Pool
100% Have Garage
This Home
$740,173
Median
$691,941

This home is +7.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $14,834 across all districts. With a homestead exemption claimed, that drops to $13,447 — saving $1,387 per year. That's $1,121 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%$6,610
Brushy Creek MUDMUD0.3868%$2,863
Williamson CountyCounty0.3694%$2,735
Austin Community Collegespecial0.1034%$765
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$740
Brushy Creek MUD Defined AreaMUD0.0900%$666
Williamson County FM/RdCounty0.0443%$328
Upper Brushy Creek WCIDWater0.0170%$126
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0041%$14,834

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $843,486 would pay approximately $5,265 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