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721 CASCADA LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

4 bed3 bath1,605 sqftBuilt 2015

Property at a Glance

This home is estimated between $769,284 and $891,976, with a best estimate of $779,141. 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

$769,284 $891,976
Best Estimate
$779,141
WCAD Value
$607,794
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 $769,284 and $891,976 should be treated as a rough guide.

Comparable Properties (5)

4 bed 1,759 sqft Built 2008
Raw Value $882,642
Adjusted Value $891,976

Adjusted -$56,761 for 154 sqft less living space and +$66,095 for being newer. Net adjustment: +$9,334.

4 bed 2 bath 1,594 sqft Built 2000
Raw Value $665,983
Adjusted Value $811,669

Adjusted +$4,054 for 11 sqft more living space and +$141,632 for being newer. Net adjustment: +$145,686.

4 bed 3 bath 2,081 sqft Built 2006
Raw Value $864,079
Adjusted Value $773,616

Adjusted -$175,442 for 476 sqft less living space and +$84,979 for being newer. Net adjustment: -$90,463.

3 bed 2 bath 1,546 sqft Built 2011
Raw Value $719,626
Adjusted Value $779,141

Adjusted +$21,746 for 59 sqft more living space and +$37,769 for being newer. Net adjustment: +$59,515.

4 bed 3 bath 2,250 sqft Built 2006
Raw Value $922,036
Adjusted Value $769,284

Adjusted -$237,731 for 645 sqft less living space and +$84,979 for being newer. Net adjustment: -$152,752.

The Neighborhood

This home is valued 12.2% 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
$607,794
Median
$691,941

This home is -12.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $12,181 across all districts. With a homestead exemption claimed, that drops to $10,818 — saving $1,363 per year. That's $902 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%$5,428
Brushy Creek MUDMUD0.3868%$2,351
Williamson CountyCounty0.3694%$2,245
Austin Community Collegespecial0.1034%$628
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$608
Brushy Creek MUD Defined AreaMUD0.0900%$547
Williamson County FM/RdCounty0.0443%$269
Upper Brushy Creek WCIDWater0.0170%$103
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0041%$12,181

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $779,141 would pay approximately $4,863 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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