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

556 CASCADA LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath2,279 sqftBuilt 2013

Property at a Glance

This home is estimated between $686,362 and $1,020,100, with a best estimate of $865,066. 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

$686,362 $1,020,100
Best Estimate
$865,066
WCAD Value
$752,938
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 $686,362 and $1,020,100 should be treated as a rough guide.

Comparable Properties (5)

4 bed 3 bath 2,219 sqft Built 2007
Raw Value $904,649
Adjusted Value $983,416

Adjusted +$22,114 for 60 sqft more living space and +$56,653 for being newer. Net adjustment: +$78,767.

339 CASCADA LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,811 sqft Built 2014
Raw Value $702,015
Adjusted Value $865,066

Adjusted +$172,493 for 468 sqft more living space and -$9,442 for being older. Net adjustment: +$163,051.

616 CASCADA LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,221 sqft Built 2014
Raw Value $741,595
Adjusted Value $753,530

Adjusted +$21,377 for 58 sqft more living space and -$9,442 for being older. Net adjustment: +$11,935.

4 bed 3 bath 1,916 sqft Built 2014
Raw Value $562,011
Adjusted Value $686,362

Adjusted +$133,793 for 363 sqft more living space and -$9,442 for being older. Net adjustment: +$124,351.

4 bed 3 bath 2,154 sqft Built 2001
Raw Value $860,722
Adjusted Value $1,020,100

Adjusted +$46,072 for 125 sqft more living space and +$113,306 for being newer. Net adjustment: +$159,378.

The Neighborhood

This home is valued 8.8% 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
$752,938
Median
$691,941

This home is +8.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $15,090 across all districts. With a homestead exemption claimed, that drops to $13,700 — saving $1,390 per year. That's $1,142 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%$6,724
Brushy Creek MUDMUD0.3868%$2,913
Williamson CountyCounty0.3694%$2,782
Austin Community Collegespecial0.1034%$779
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$753
Brushy Creek MUD Defined AreaMUD0.0900%$678
Williamson County FM/RdCounty0.0443%$334
Upper Brushy Creek WCIDWater0.0170%$128
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0041%$15,090

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $865,066 would pay approximately $5,400 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